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a new study from the harvard school of public health has found that small changes in diet, lifestyle and sleep patterns are strongly linked with long term weight gain, with humble potato the single biggest offender. where previous studies have examined patterns of weight loss, the harvard study examined factors in weight gain, finding changes in diet to have the biggest association with gaining weight.

adherence to modifiable lifestyle and dietary factors, including maintaining normal weight; daily vigorous exercise; eating a diet high in fruits, vegetables, low-fat dairy products and low in sodium; and taking a folic acid supplement was associated with a significantly lower incidence of self-reported hypertension among women, according to a study in the july 22/29 issue of jama (2009;302[4]:401-411).

food and beverage behemoth pepsico pledges to cut fat, salt and sugar across key global brands over the next ten years as demand for health-positioned products gains momentum and the frito-lay maker underlines wellness to deliver long-term growth. the us firm - that claims 19 'billion dollar' food and beverage brands - announced on monday a 25 per cent fall in average salt levels by 2015.

many diets promoted by companies and individuals rely on calorie restriction or the complete elimination of certain food groups in the quest to lose weight. additionally, the unhealthy reliance on appetite suppressants and artificial sweeteners is promoted. diets do not generally work in the long term and can even be dangerous. proteins, fats and carbohydrates should be correctly chosen for optimum health and ideal weight.

a healthy diet including fruits, vegetables and less salt helps prevent kidney stones from forming, according to a study published online aug. 13 in the journal of the american society of nephrology. fruits, vegetables, nuts, low-fat dairy products, and whole grains, while limiting salt, red and processed meats, and sweetened beverages are effective ways to ward off kidney stones, according to the study.

fat substitutes have been in the news a lot in the last few weeks, and rarely has the news been good. just yesterday danisco issued a statement reiterating the safety of its salatrim fat replacer after a damning report in the danish press, while a week earlier procter & gamble concluded the sale of the plant where it makes its olestra substitute after the ingredient failed to live up to expectations.

fish is well known as the principal source of omega-3 fatty acids which can help reduce the risk of heart disease, diabetes and arteriosclerosis. but new studies show that lean meat, fruit and vegetables can also contain useful amounts of omega-3. professor bruce watkins of the center for enhancing foods to protect health at purdue university in the us is conducting an experiment of feeding algae that is high in omega-3s to dairy cattle to increase the amount of the so-called good fat in their milk.

nearly 62 million americans have some form of cardiovascular disease, and nearly a million die from it each year, statistics published on monday show. heart disease is by far the no. 1 killer in the united states, although a third of those deaths could be prevented if people ate better diets and exercised more, the american heart association said in it annual report on heart statistics. it said 61.

the smart choices program, which will see the introduction of a logo highlighting healthier options on hundreds of products in supermarkets, has just begun in the united states. the uniform front-of-pack nutrition labelling program, developed by a coalition of scientists, nutritionists, consumer groups and food industry leaders is designed to promote public health by helping shoppers make smarter food and beverage choices within product categories.