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What has been the best way to make money in 2008? In a word: health care. Big percentage gainers include Idenix Pharmaceuticals, a maker of hepatitis and HIV treatments (up 122%, to $5.99); Thoratec, a developer of therapies for heart disease (up 60%, to $29.16); Almost Family, a home-health-care services provider (up 132%, to $45.10); and Sequenom, which does genetic testing (up 93%, to $18.45). Some larger-cap players are also up significantly, if not quite as spectacularly: Barr Pharmaceuticals has gained 23%, and Amgen...
...body, and it's the driving principle behind such weight-loss plans as the Atkins and South Beach diets. But while scientific studies have documented the impact of too much dietary fat and carbohydrate on the body - making us heavier and increasing our risk of diabetes and heart disease - the evidence has not been as clear for high- or low-glycemic index foods. So, a new study published today in the Journal of the American Medical Association adds welcome evidence in favor of keeping your glycemic load in check - particularly if you have diabetes...
...Canadian team analyzed data from 210 diabetes patients, all of whom were taking medication to control their blood sugar. Because the medical management of diabetes still leaves patients with two to four times the average risk of heart disease, the study's authors wanted to explore whether a stricter diet could reduce that risk. The theory is that foods that break down quickly in the gut and flood the blood with glucose - high-glycemic foods - put an exceedingly heavy burden on the body to churn out enough insulin to process the sugar, leading to diabetes. Low-glycemic foods, which take...
...glycemic diet group show lower levels of blood glucose, but they also enjoyed a 1.7 mg/dL boost in HDL, or good cholesterol, while the high-fiber group experienced a .2 mg/dL drop in their HDL. Studies have shown that raising HDL levels is one way to prevent heart attacks, but it's not clear yet whether the current findings translate to any practical protection against heart disease. (See 9 kid foods to avoid...
Jenkins is the first to admit that the glycemic index of particular foods is only one of many dietary factors that may impact heart disease risk in diabetes patients. Critics of the glycemic-index concept note that the way the body processes food - and the time that it takes to break it down - is affected by myriad factors, including how food is cooked, in what combinations it's eaten, and even what time of day a person eats. Al dente pasta, for example, has a lower glycemic index than fully cooked pasta, and for some people, eating later...