Tag Archives: weight health

Ageing heart can be prevented, say scientists

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Ageing heart can be prevented, say scientists

Scientists in Japan said they have uncovered evidence that shows it may be possible to delay or prevent heart failure in humans.

In a paper published in the journal Circulation, Tetsuo Shioi, lead researcher and assistant professor of medicine at Kyoto University Graduate School of Medicine in Kyoto, and his team described how they managed to suppress a variety of the P13K gene in a group of elderly mice.

The gene regulates the lifespan of cells and plays a role in the aging of tissues. In previous studies, suppression of this gene extended the lifespan of the roundworm and kept the hearts of old fruit flies healthy.

Compared with another group of mice in which the gene was left intact, mice with the suppressed gene had improved cardiac function, less fibrosis (which makes the heart inflexible) and fewer biological markers of aging.

“This study showed that aging of the heart can be prevented by modifying the function of insulin and paves the way to preventing age-associated susceptibility to heart failure,” Shioi said.

Old age is a major risk factor for heart failure, a condition when the heart is unable to pump enough blood around to supply the oxygen the body needs, the World Health Organization says.

According to the American Heart Association, 5.7 million Americans have heart failure, and nearly 10 out of every 1,000 people over age 65 suffer heart failure every year.

Mariell Jessup, professor of medicine at the University of Pennsylvania School of Medicine in Philadelphia, said older people experience a slow but gradual loss of heart cells and a host of other cellular abnormalities which make the remaining cells contract less efficiently.

“This early work in a mouse model, clarifying the role of PI3K in cardiac aging, could ultimately allow scientists to understand if human hearts are similarly influenced,” he said.

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Healthy Weight Loss and Dieting

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Healthy Weight Loss and Dieting

No matter how peaceful your nature, when it comes to the battle of the bulge, you have to put up a good fight. In our eat-and-run, massive-portion-sized world, maintaining a healthy weight can be hard enough, and healthy weight loss can be a real struggle. Adding to the difficulty is the abundance of fad diets and “quick-fix” plans that tempt and confuse us and ultimately usually do not work.

Weight management not only makes you look and feel better, it influences your future health. A healthy weight decreases your chances of developing serious health risks such as heart disease or diabetes.

If your last diet attempt wasn’t a success, or life events have caused you to gain weight, don’t be discouraged. The key is to find a plan that works with your body’s individual needs so that you can avoid common diet pitfalls and instead make lasting lifestyle changes that can help you find long-term, healthy weight loss success.

  • You feel deprived. Diets that don’t allow certain types of food (carbs, fat, sugar) in moderation are simply not practical, not to mention unhealthy – eliminating entire food groups doesn’t allow for a healthy, well-rounded diet and creates imbalances in our bodies.
  • You “plateau” after losing a few pounds. There’s actually a second component to healthy weight loss: exercise. Often your body adjusts to a new way of eating, and it’s only with increased physical activity that the pounds will continue to melt away.
  • You lose weight, but can’t keep it off. Diets that severely cut calories, restrict certain foods, or rely on ready-made meals might work in the short term. However, once you meet your weight loss goal, you have no means of lifelong, healthy diet maintenance, and the pounds quickly come back.
  • After your diet, you seem to put on weight more quickly. Restricting your food intake slows down your metabolism – another reason why starvation or “fasting” diets are counterproductive.
  • You break your diet and feel too discouraged to try again. Just because you gave in to temptation and overindulged, doesn’t mean all your hard work goes down the drain. Healthy eating is about the big picture – an occasional splurge won’t kill your efforts. And again, diets that are too restrictive are conducive to cheating – when you feel deprived, it’s easy to fall off the wagon.
  • You lose money faster than you lose weight. Special shakes, meals, and programs may be cost-prohibitive and less practical for long-term weight loss and healthy weight maintenance.
  • You feel isolated and unable to enjoy social situations revolving around food. Without some practical, healthy diet strategies, you may feel lost when dining out or attending events like cocktail parties or weddings. If the food served isn’t on your specific diet plan, what can you do?
  • The person on the commercial lost 30 lbs in 2 months – and you haven’t. Diet companies make a lot of grandiose promises, and most are simply not realistic. Unfortunately, losing weight is not easy, and anyone who makes it seem that way is doing you a disservice. Don’t get discouraged by setting unrealistic goals!

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Canada bans fruit-flavored cigarettes

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Canada bans fruit-flavored cigarettes

Canada has banned the manufacture, importation and sale of most flavored cigarettes and small cigars, which have been slammed as little more than an enticement to get children to start smoking.

The law, which came into effect on Thursday, was backed by both government and opposition lawmakers. It also bans tobacco advertising in newspapers and magazines, closing a loophole that had allowed ads in publications that claimed they were read only by adults.

Anti-smoking groups said fruit-flavored cigarettes were marketed like candy to lure young smokers, but the industry complained the law was too broad and would unfairly restrict importation of U.S.-grown burley tobacco.

Lawmakers in U.S. tobacco-growing states have complained the law will cost U.S. jobs, and a U.S. Senator has been blocking the appointment of a White House trade official in a bid to make the Obama administration put pressure on Canada.

Anti-smoking groups say the jobs complaint is unfounded since Canada did not import any U.S.-grown burley tobacco in 2007 and 2008, and “American-style” cigarettes make up less than 1 percent of the Canadian market.

“The trade argument was invented out of thin air,” said Rob Cunningham of the Canadian Cancer Society.

The Canadian ban is more sweeping than one imposed last month by the U.S. Food and Drug Administration because it also includes small cigars. Nether ban includes menthol-flavored cigarettes.

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