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A Healthy Way to Use Alcohol

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Marinating steak in beer or wine before cooking it dramatically reduces levels of chemicals that can cause cancer. Beer is more effective than wine at lowering the cancer-forming chemicals (and also apparently often makes for a better-looking and tastier meal.)
Cooking food increases its levels of chemical compounds called heterocyclic amines (HA’s), which can cause cancerous tumors. Frying and grilling meat is particularly dangerous, because the intense heat turns sugars and amino acids into high levels of the compounds.


However, scientists are gathering increasing amounts of evidence to show that the levels of HA’s in cooked meat can be lowered by treating the food beforehand. Marinating steak in red wine or beer for six hours before frying can cut levels of two types of HA by up to 90 percent compared. Beer was also efficient at reducing a third type of HA, cutting levels significantly in just four hours.

Previous research has shown that a red wine marinade has a similar effect on HA levels in fried chicken. A sauce made of olive oil, lemon juice and garlic can also lower HA levels in grilled chicken by as much as 90 percent.

Cooking meat on lower heat and for a shorter period of time also prevents dangerous levels of HA’s from forming.

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An Hour Exercise for 5 Days a Week to Loose Weight

Women who want to lose weight and keep it off need to exercise for almost an hour, five days a week, according to a new study from the University of Pittsburgh.


Researchers found that a 55-minute regime was the minimum needed to maintain a 10 percent drop in weight.

During the four-year study, 200 overweight and obese women were told to eat between 1,200 and 1,500 calories a day, and do one of four different exercise programs, which varied in intensity and variety.

After six months, all of the women lost up to 10 percent of their body weight, but only a small percentage was able to maintain it. Those who did keep the weight off were those doing more exercise — about 275 minutes a week, on average.

Research points to a combination of exercise and calorie control as having the best chance of success in weight loss. This latest research once again confirms that plenty of exercise is a key ingredient.

BBC News July 29, 2008
Archives of Internal Medicine July 28, 2008;168(14):1550-1559

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