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Marital Stress Linked to Heart Disease
2007-10-25 06:43:00
(HealthDay News) -- When married couples lose their cool with one another, it may take a toll on their hearts, too, researchers have found. What's more, the damage that's wrought may depend on how they lose it, according to study leader Tim Smith, a professor of psychology at the University of Utah. For women, hostility appears to be the culprit. Wives who were hostile in disagreements with their spouses were more likely to have atherosclerosis, often referred to as hardening of the arteries, Smith and his colleagues discovered. Levels of calcification were particularly high among those women whose husbands also were hostile. Among husbands, atherosclerosis was more common when either they or their wives acted in a controlling manner, the research team said. Whether it's social conditioning or some other factor that causes women to be influenced by hostility and men by issues of control is uncertain, Smith said. It's hard to separate biological, psychological, and social/...
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Broccoli sprout extract protects skin from UV rays
2007-10-25 06:39:00
CHICAGO (Reuters) - Most people know eating broccoli is good for you but it also can help skin cells fend off damage from harmful ultraviolet radiation, U.S. researchers said on Monday. The extract, derived from newly sprouted broccoli seeds, reduced skin redness and damage by more than one third compared with untreated skin, they said. The extract already has been shown to help skin cells fight UV damage in mice. "This is a first demonstration that a human tissue can be protected directly against a known human carcinogen," said Dr. Paul Talalay of Johns Hopkins University, whose study appears in the Proceedings of the National Academy of Sciences. "This is not a sunscreen," Talalay said in a telephone interview. Instead, the extract helped fortify skin cells to fight the effects of UV radiation. Unlike sunscreens, which provide a physical barrier against UV rays by absorbing, blocking or scattering the light, the extract helped boost the production of protective enzymes that defend...
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The ABCs of CPR
2007-09-21 01:22:00
More than 900 Americans die because of sudden cardiac arrest every day, according to the American Heart Association (AHA). Between 75 percent and 80 percent of all sudden cardiac arrests occur at home, and survival does depend on how quickly defibrillation, either through CPR or an automated external defibrillator (AED), can be administered. With every minute that passes an individual's rate of survival drops by seven to ten percent. After several minutes of no treatment, resuscitation is almost impossible.CPR is as simple as ABC, as you'll see from a review of the procedures recommended by the AHA below.First, of course, check to see if the person is responsive. Gently shake the victim and shout, "Are you okay?" If you get a response, you don't need to perform CPR. If you get no response, dial 9-1-1 or point to a bystander and ask that individual to call 9-1-1.Then begin the ABCs of CPR.A: AirwayIf the person is unresponsive, open the airway. If the person has no head or neck in...
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Tips for Choosing Herbal Products
2007-09-21 01:20:00
Look for products that offer standardized preparations. This means that every bottle, every pill, always contains the exact same amount of products. Purchasing bargain or lesser-known brands that do not carry the assurance of standardization means you could end up with little or no product or, worse, substances you didn't intend on taking. Take the time to gather any available research on the herbs you plan to take. While it is preferable to buy from companies that do their own research, you don't want to use their research as your sole source of information. There are several good books on the market that clearly explain the potential benefits and drawbacks of various supplements, and although there isn't a huge body of scientific evidence available, quite a bit is know about the most popular substances such as gingko biloba, St. John's Wort and ginseng.
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Fitness Magazines and Image Disorders
2007-09-21 01:17:00
For years, fashion magazines have taken the heat for displaying unrealistic body types and causing young women to cringe at the sight of their own, normal figures. But now experts are pointing the finger squarely at health and fitness magazines as well. Researchers at Brigham Young University surveyed nearly 500 high school girls about their exercise and weight-loss methods, and about the magazines they read. Eating disorders were common, and slightly more than half the girls surveyed said they restricted their calories to less than 1,200 per day. About 92 percent of the girls reported reading health and fitness magazines, with about half reading them at least once per month. However, the girls who used diet pills, laxatives, vomiting or restricted diets to lose weight were more likely than their non-dieting peers to read health and fitness magazines. Though the researchers would not go so far as to conclude that these magazines are the cause of the girls' eating disorders, they ...
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There's No Place Like Home
2007-09-21 01:16:00
A new study found that obese women are more likely to stick with - and lose more weight on - a home-exercise program as compared to a group-based program. Researchers at the University of Florida followed the progress of 49 women, aged 40 to 60, who were placed on one of two diet and exercise programs. Both groups, whose weights averaged greater than 190 pounds, limited their caloric intake to 1,200 per day and attended two-hour group sessions for the first six months to learn about weight management. These sessions were reduced to every other week during the second six months, and were designed to encourage the participants to discuss their eating and exercise habits, and teach them how to maintain these positive changes. All participants were told to complete a moderate-intensity walking program, consisting of 30 minutes per day, five days per week. The group-exercise participants engaged in three supervised group walking sessions per week (this was reduced to two for the sec...
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Face Facts
2007-09-21 01:14:00
Despite frequent warnings about the dangers of inactivity and obesity, most adults don't see their weight as a problem. A recent survey of nearly 1,400 physicians and patients revealed the following: Only 39 percent of adults consider themselves overweight. The U.S. government, however, estimates more than 60 percent of adults are overweight or obese. Of those who said they were overweight, only about 30 percent were concerned about developing type 2 diabetes, which increases the risk of heart disease, kidney disorders and blindness. Type 2 diabetes is strongly associated with obesity and inactivity. According to the physicians surveyed, nearly 30 percent of patients diagnosed as overweight in the past year were 35 years old or younger. Source: Survey conducted by Yankelovich Partners and supported by a grant from Hoffmann-La Roche
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Kids' Rooms No Place For T.V.
2007-09-21 01:12:00
Here?s a simple step parents can take to lower their child?s risk of obesity: Keep the television out of the child?s bedroom. A new study suggests that children aged one to five years who have televisions in their bedrooms watch nearly five hours more TV and videos each week than children without TV sets in their rooms. These children are also more likely to be overweight. Parents and guardians of more than 2,700 children from 49 New York state agencies of the Supplemental Nutrition Program for Women, Infants and Children were surveyed about their TV/video viewing habits. Each child?s BMI was also measured. Nearly 40 percent of those surveyed reported having a television set in their bedroom, which raised their risk of being overweight by nearly one-third. These results are consistent with previous studies of older children, indicating that increases in BMI often coincide with increases in the number of hours spent in front of the TV. ''Because most children watch TV b...
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Backpacks: Do It Right
2007-09-21 01:10:00
Kids are back in school and that means they're packing extra pounds - on their backs, that is. More homework and fewer lockers mean school-age children are increasingly required to shoulder the burden of heavy textbooks, which may be more than their growing frames can bear. While backpacks are generally the best choice, the American Physical Therapy Association (APTA) urges parents to school their children on how to wear one properly and offers the following tips: Wear both straps. Sounds obvious, but even most adults know wearing both straps just isn?t cool. But neither is being waylaid by a serious back injury. Slinging a backpack over one shoulder causes a person to lean to one side to compensate for the uneven weight, thus curving the spine. Over time, this can cause lower- and upper-back pain, strained shoulders and neck, and even possible curvature of the spine. Don't carry too much stuff. Even if that means leaving those N?Sync CDs at home. ''A backpack can range anyw...
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Not Sure How You Feel? Think About What You Ate
2007-09-21 01:07:00
The foods you crave may say a lot about the state of your mind and body. Researchers in France analyzed the eating habits and cravings of more than a thousand men and women and came to the following conclusions: Women crave food more often than men do, with cravings peaking during times of sadness or anxiety. Men are more likely to eat when they're feeling happy. Chocolate cravings may signal that you are tired. An urge for salty foods or dairy products may be your body?s way of telling you it wants a real meal. Those who had the most frequent cravings were more likely to be on a diet or actively trying to lose weight. Researchers theorize that women may experience more cravings because of the increased social pressure to be thin, which also leads them to diet more frequently than men. However, the relationship between food and mood is extremely complex, and is affected by both biological and psychological factors. Source: International Journal of Eating Disor...
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Hungry? It May Be All In Your Head
2007-09-21 01:04:00
How do you know when you're hungry? Or when you're full? Is it your stomach or your brain that gives you the signal? Sure, that noisy growl or the pull on your waistband are telltale signs, but chemicals in your brain called neurotransmitters are much more reliable - and quicker to respond. For some time, serotonin has reigned supreme as the mood-regulating neurotransmitter. Several popular diet drugs operate on the premise that by increasing the amount of time serotonin hangs around in the brain, the easier it is to keep one's appetite in check. But serotonin has some new competition: CART peptide, or cocaine-and-amphetamine-regulated transcript. Yes, cocaine. Researchers at Yerkes Primate Research Center at Emory University in Atlanta discovered the CART peptide while conducting studies on this narcotic. They found that when normal rats were injected with CART they ate 30 percent less than usual. Researchers are hopeful their discovery may eventually lead to another ant...
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Build Your Muscles, Build Your Brain
2007-09-21 01:01:00
An active lifestyle has benefits beyond the body. A new study suggests that being active can stimulate brain cell growth and lower the risk of developing Alzheimer?s disease. German researchers put 30 adult female mice in an ''enriched environment'' that included toys, a running wheel and unlimited food and water for 10 months. Compared to mice kept in cages, the active mice grew five times more new brain cells and showed fewer sign of age-related brain degeneration. They also were more curious about their surroundings and better able to learn new things. ''Our study suggests that, in mice, we can reduce the effects of aging on the brain with a sustained active and challenging life, even if this stimulation is only begun in middle age,'' writes Gerd Kempermann, M.D., lead author of the study. While study results in mice don't always transfer to humans, Kempermann suggests that people who change their behavior because of this study ''will certainly do no harm'' and t...
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Stay Fit to Stay Alive
2007-09-21 01:00:00
Being sedentary and out of shape may have a more detrimental effect on one's health than other well-known risk factors such as smoking, hypertension and heart disease, according the results of a recent study. Researchers from Stanford University Medical Center and the Veterans Affairs Palo Alto Health Care System studied more than 6,000 men for an average of six years. The average age of participants was 59. More than half had experienced an abnormal exercise-test result and/or had a history of cardiovascular disease; nearly one-third had suffered a heart attack, and many had risk factors such as diabetes, high blood pressure, elevated cholesterol and a history of smoking. The remaining men were apparently healthy without a history of cardiovascular disease. During the study period, more than 1,200 patients died, most of whom were older. After adjusting for age, however, researchers concluded that exercise capacity was a more powerful predictor of mortality than any other risk fact...
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For Older Adults, A Little Exercise Goes A Long Way
2007-09-21 01:00:00
Just one workout a week is all it takes for older adults to maintain their strength and, possibly, their independence, according to a new study from researchers at the Human Performance Laboratory at Ball State University, Muncie, Ind. Ten sedentary 70-year-old men were recruited to take part in a 12-week strength-training program. After training three times per week, the men had increased their muscle size and strength by 50 percent. At the end of the program, half the men went back to their sedentary ways, while the other half did the same routine, but only once per week. After six months, the sedentary men had lost much of their muscle size and strength, but the once-a-week exercisers were still going strong. Sarcopenia, or loss of muscle size and strength, is a major cause of the falls and injuries among older adults that result in a loss of independent living. ''One day per week seems to be effective,'' writes Scott Trappe, Ph.D., in the April issue of the Journal of Gero...
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Get In Shape By Getting In the Ring
2007-09-21 00:58:00
''Boxing is so basic and simple, yet there's way more to it than meets the eye,'' says Michael Olajide, Jr., a former number one World Middleweight contender and boxing trainer from New York City. Let's start with the laundry list of physical benefits that comes along with boxing training: improved strength, balance, agility, muscle tone and cardiovascular fitness. ''If you want to tone up your midsection, arms, thighs and glutes, boxing is by far one of the most effective workouts you can do,'' says Olajide. ''The secret is you get cardio and toning benefits simultaneously.'' Of course, the upsides of boxing aren't limited to the physical. Many beginning boxers tap into newfound confidence from the self-defense tactics that are learned from the sport, says Olajide, who served as fight technician for the feature film Ali. And mentally, nothing erases the stress of a tough day quite like punching a heavy bag. Bitten by the boxing bug? If you're looking to improv...
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Mountain Biking Facts
2007-09-21 00:56:00
As the popularity of mountain biking soars, so do the number of injuries. An estimated 8.6 million cyclists hit the trails in 1998, nearly double the number in 1993. A 12-month study conducted by Dr. Lee Jeys of the Royal Shrewsbury Hospital found that nearly half of the injuries were fractures, particularly to the collarbone and shoulder. Head and neck injuries were also common. Cyclists are urged to wear protective gear, including a helmet and wrist and knee pads, to reduce the risk of serious injuries. Source: British Journal of Sports Medicine, 2001; 35, 197-199
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Soy is More Than Just Good Source of Protein
2007-09-21 00:54:00
by Ellie Zografakis, R.D., & Dale Huff, R.D., CSCS There's no getting away from it - protein supplementation is today?s hot nutritional topic. And everyone has a different take on where that extra protein should be derived. In the bodybuilding community, the protein source of choice has long been whey protein, with soy protein coming in a distant second. If you count yourself among the whey devotees, here's some information that may encourage you to take another look at soy. The whey it isThe two most-researched forms of protein supplements are soy protein isolate and whey concentrate. Soy protein isolate is 90 percent protein on a dry-weight basis, is highly digestible (97 percent) and allows the essential amino acids (valine, isoleucine and leucine, which the body does not produce) to be absorbed across the GI tract. A water-washed process is used to allow isoflavones to remain intact. All of the gas-producing carbohydrates and fat have been removed. Whey concentrate...
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Green Tea Sparks Your Metabolism
2007-09-21 00:45:00
Green tea has had more than its fair share of good press lately, with several studies touting its protective effect against heart disease, rheumatoid arthritis and tumors. Now a new, albeit small, study out of Switzerland reports that green tea may have the power to raise metabolic rates, speed up fat oxidation and help people lose weight. Ten healthy men consumed either green tea extract, which contains 50 milligrams of caffeine, 50 milligrams of caffeine alone, or no caffeine at all. Only the group that consumed the green tea extract showed any increase in metabolic rate. Researchers suspect that the powerful antioxidants found in green tea, along with the caffeine, are responsible for its higher fat-burning effects. Source: American Journal of Clinical Nutrition, December 1999
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Low-Fat Isn't Always Better
2007-09-21 00:44:00
Women who follow a low-fat diet may not be getting as many essential nutrients as they should, according to the findings of a 27,000-person U.S. Department of Agriculture (USDA) study. More than half the women who reduced their fat intake to less than 30 percent of total calories were short-changing themselves on vitamins A and E, calcium, folic acid, iron and zinc. This, in turn, places them at greater risk for osteoporosis, pregnancy-related problems and, perhaps, certain types of cancer While a low-fat diet is recommended for the prevention of obesity, breast cancer, diabetes and heart disease, following a low-fat diet at the expense of nutrients is not a wise choice. Instead, women - and men as well - should follow a diet that is varied and balanced, low in fat and high in essential nutrients. For some, supplementation may be in order. For others, simply choosing high-nutrient foods over high-sugar, low-fat foods can make a positive difference in overall health. Source: Fede...
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The Lingering Effects of Caffeine
2007-09-21 00:43:00
Turns out that extra-tall latte first thing in the morning does more than just perk you up - it also stresses you out. And even if you consume your caffeine before 1 p.m., you could still be feeling the effects - higher blood pressure and stress levels - by the time you go to bed. Researchers at Duke University in Durham, N.C., studied the effects of caffeine on 47 regular coffee drinkers. Participants consumed the caffeine equivalent of four small cups of coffee in two pills (500 milligrams), one pill in the morning and one sometime before 1 p.m. On another day, participants were given placebos. When consuming the caffeine pills, participants felt more stressed, had slightly higher blood pressure and produced 32 percent more of the stress hormone epinephrine than when taking the placebo. Researchers suggest that people who have conditions that are aggravated by stress, such as heart disease or high blood pressure, reduce the amount of caffeine they consume. FACT: Caff eine has a...
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What You Buy Isn't Always What You Get
2007-09-21 00:41:00
You may have finally mastered the art of reading food labels, but that won't do you much good if the labels themselves are inaccurate. A new report by an independent testing organization called ConsumerLab indicates that a majority of nutrition bars - also called energy, protein or diet bars - do not live up to their health claims and many labels mistake the amount of carbohydrates the bars contain. Of the 30 bars tested, 18 were improperly labeled, including Atkins Advantage nutrition bar and Carb Solutions, a protein bar made by Richardson Labs. Both companies have been scrutinized by the Food and Drug Administration (FDA), which sent out warning letters to these and 16 other companies informing them that their bars were misbranded, adulterated and in violation of the federal Food, Drug and Cosmetic Act. Atkins Nutritionals and a coalition of other nutrition bar manufacturers have acceded to the government's demands and are now in the process of creating new labels. Additionall...
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Some Fats Are Actually Better Than Others
2007-09-21 00:40:00
Trans fat, found in fried and processed foods, may be worse for the heart than the saturated fat found in meats and dairy products. Researchers in the Netherlands compared the effect of trans and saturated fats on the cholesterol levels and blood vessel functioning of 29 healthy adults. Participants followed a diet comprised of 9.2 percent of total calories from trans fat for four weeks, then switched to a diet of the same proportion of saturated fat. When compared to the saturated fat diet, the trans fat diet reduced blood vessel function, which is measured by how readily the vessels dilate in response to blood flow, by 29 percent and lowered HDL (good) cholesterol level by 20 percent. It is estimated that trans fat accounts for four percent of dietary fat intake, much of it hidden in foods such as store-bought cookies and crackers and fast-food fare. Source: Atherosclerosis, Thrombosis and Vascular Biology, 2001; 21, 1233
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Eating Fatty Fish Cuts Risk of Heart Disease
2007-09-21 00:39:00
Two new studies offer more evidence that eating several servings of fish rich in omega-3 fatty acids each week may reduce the risk of heart disease and death. The first study, conducted by researchers from Brigham and Woman?s Hospital in Boston, compared 94 men who died suddenly from heart disease with 184 healthy men. They discovered that men without heart disease were 81 percent less likely to experience sudden death if they had high levels of omega-3 fatty acids in their blood, regardless of other risk factors such as age or smoking habits. Found in fatty fish such as salmon and mackerel, omega-3 fatty acids are believed to lower the risk of developing an irregular heart rhythm and to reduce blood cholesterol and clotting. A second study, published in a recent issue of the Journal of the American Medical Association, looked at data from 85,000 women involved in the Nurses Health Study and found those who consumed at least five servings of fish per week lowered their risk of c...
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Garlic May Ward Off More Than Vampires
2007-09-21 00:37:00
Two reviews of studies examining the effects of garlic suggest that it is not only good for the heart, it may also help ward off stomach and colon cancers. A review of 13 studies in the Annals of Internal Medicine concluded that garlic has a modest effect on cholesterol levels, generally reducing them by about four to six percent (or about 15.7 milligrams). But garlic may help the heart in other ways, such as reducing clotting tendencies. Another review of 18 studies published in the American Journal of Clinical Nutrition concluded that garlic may have a protective effect against stomach and colorectal cancers, but it is not clear exactly how much garlic is needed or what form is most effective. It probably isn't necessary to consume garlic every day; most researchers believe five cloves of raw or cooked garlic per week is sufficient. The jury is still out on garlic supplements, which are more convenient (and less odorous), but may not offer the same benefits. Source: Annals o...
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Vegetarians Be A-Ware!
2007-09-21 00:36:00
Vegetarians may be at risk of not consuming enough vitamin A and iron and should increase the amount of dark-colored fruits and vegetables in their diets. This is the latest recommendation from the Institute of Medicine panel, which adjusted the recommended dietary allowances (RDAs) of vitamin A and several other nutrients. Vegetarians generally rely on foods such as carrots, broccoli and sweet potatoes to meet their vitamin A requirement, but new research suggests the body is only able to absorb about half the amount of usable nutrient as was previously thought. Non-vegetarians typically consume enough vitamin A, which is essential for reducing the risk of birth defects and guaranteeing optimal vision, from dairy products, fish and liver. The RDA for vitamin A is now 900 micrograms per day for men and 700 micrograms per day for women. This requirement can be met by eating a half-cup of cooked carrots. As for iron, vegetarians may need to double their intake because the body absor...
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Dangerous Potatoes
2007-09-21 00:35:00
What may seem like a harmless way to store potatoes may actually be a breeding ground for deadly bacteria. Researchers investigating an outbreak of botulism in the United States in 1994 traced the source to a bacteria-produced toxin that formed when baked potatoes were stored in aluminum foil at room temperature. Botulism can cause severe nerve damage and paralysis of both skeletal and respiratory muscles and, in extreme cases, even death. Researchers recommend avoiding aluminum foil when cooking potatoes unless they are to be eaten or refrigerated immediately. Source: The Journal of Infectious Diseases, 1998; 178, 172-177
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Smoother Skin From the Inside Out
2007-09-21 00:35:00
Women's magazines frequently run stories on how to improve your skin using items from your kitchen. But you might be better off eating that paste of crushed almonds, berries and yogurt than slathering it on your face, according to the results of a new study. Researchers at Monash University in Melbourne, Australia, studied the diets of more than 400 residents of Australia, Greece and Sweden, including both dark- and fair-skinned people. All the subjects were septuagenarians or older. They found that those who followed a diet comprised mostly of fruits, vegetables, whole grains and unsaturated fats had noticeably smoother skin than those who consumed a fat- and sugar-laden diet. Dr. Mark L. Wahlqvist, lead researcher, speculates that the antioxidants in these foods, including vitamins A, C and E, help to protect the skin from environmental stress and damage. More studies are needed, however, to determine how these foods aid the skin's natural defenses against sun damage. Sourc...
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Water Works for Weight Loss
2007-09-19 02:17:00
Nothing quells the appetite like water, lots and lots of water. Start out with two quart bottles in the morning and carry one with you to work or wherever you go. If you like, divvy up the 64 ounces of water into eight (8-ounce) bottles or four pint (16-ounce) bottles to carry around with you all day. Freeze half of them the night before and they will last all day, even in a hot car. Keep some unfrozen so they will be ready to drink immediately. Yes. You will have to make more frequent bathroom trips, but it is worth it. Drink your 64 ounces of water before dinner, if possible, so you're not up half the night going to the bathroom. Water not only fills you up and lessens your appetite, it prevents those "hungry horrors" we all encounter when our blood sugar drops and we reach for cookies, candy, ice cream, fries or other high-calorie treats. Water also flushes out the system, rids the body of bloat and toxins and rosies up the complexion. Now, start splashing.
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Six Tips on How to Stick with your New Year's Resolutions
2007-09-19 02:16:00
1. Focus on positive self-talk. Congratulate yourself every time you take a step towards your resolution goal. Be your own best cheerleader.2. Avoid berating yourself if you should fall back or break a resolution. Just brush yourself off and start over again. 3. Stick to your resolution by considering it a promise to yourself, not a test of your willpower.4. Avoid situations that put you in temptation's path, meaning if you're on a diet, don't go to the ice cream parlor.5. Keep a sticky note in a prominent place so that you see it every day, reminding yourself of your resolutions. (i.e., on your bathroom mirror, next to your bed, on the visor of your car, on the refrigerator)6. Be realistic. Make sure your plan is a realistic one that can fit into your lifestyle. Will you really have the energy to go out for that evening exercise class? Make changes as easy and convenient as possible
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Measure Progress
2007-09-19 02:16:00
An extremely important part of your fitness program is being able to measure your progress. Body fat testing is not painful, nor is it expensive. You can get it done at most any gym or fitness center. Simply ask if they have an expert who can measure body composition. It's also a good idea to take before and after photos and post them somewhere you'll see them every day.
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