Category Archives: Uncategorized

Straight talk about soy

SoybeansWe’ve been told that regularly eating soy-based foods lowers cholesterol, calms hot flashes, prevents breast and prostate cancer, aids weight loss, and wards off osteoporosis. Some of these benefits have been attributed to a unique characteristic of soybeans—their high concentration of isoflavones, a type of plant-made estrogen (phytoestrogen). However, some of the claims made for soy were based on preliminary evidence.

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The problem with potatoes

In the U.S., people eat an average of 126 pounds of potatoes per person each year. (1) However, potatoes don’t count as a vegetable on Harvard’s Healthy Eating Plate because they are high in carbohydrate – and in particular, the kind of carbohydrate that the body digests rapidly, causing blood sugar and insulin to surge and then dip (in scientific terms, they have a high glycemic load).

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Physical activity guidelines: How much exercise do you need?

Weigths_largeFor general good health, the 2008 Physical Activity Guidelines for Americans recommends that adults get a minimum of 2-1/2 hours per week of moderate-intensity aerobic activity. (37) Yet many people may need more than 2-1/2 hours of moderate intensity activity a week to stay at a stable weight. (37)

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