What do you do for exercise? Do you bike or walk? Why not do that on the way or at least part of the way to work.

Walking or biking to work, even part way, is linked with fitness, but very few Americans do it, according to a study of more than 2,000 middle-aged city dwellers.

In what may be the first large U.S. study of health and commuting, the researchers found only about 17 percent of workers walked or bicycled any portion of their commute.

The new study is based on tests and questionnaires from 2,364 workers who were part of a larger federally funded study on heart disease risk. The participants lived in Chicago, Minneapolis, Birmingham, Ala., and Oakland, Calif. They were asked in 2005-2006 about their commuting habits in the past 12 months. Read the rest of this entry »

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Tags: Alabama, Archives of Internal Medicine, Birmingham, California, Chapel Hill, Chicago, heart disease, James Sallis, Minneapolis, North Carolina, Oakland, obesity, Oregon, Penny Gordon-Larsen, Portland, San Diego State University, United States, University of North Carolina

There is a new very large study of 70,000 women that is making health headlines today that shows that drinking alcohol, especially fairly heavy drinking will increase a womens risk of breast cancer. How much is fairly heavy drinking? The study shows that three or more drinks a day will increase the chance of developing breast cancer by 30% over that of non drinkers.

All types of alcohol — wine, beer or liquor — add equally to the risk of developing breast cancer in women, American researchers said Thursday.

“This is a hugely underestimated risk factor,” said Dr. Patrick Maisonneuve, head of epidemiology at the European Institute of Oncology in Italy, who was not connected to the study.

The researchers, led by Dr. Arthur Klatsky of the Kaiser Permanente Medical Care Program in Oakland, Calif., revealed their findings at a meeting of the European Cancer Organization in Barcelona.

Researchers analyzed the drinking habits of 70,033 women of various races and asked them questions during health exams between 1978 and 1985. By 2004, 2,829 of these women had been diagnosed with breast cancer.

Tags: Arthur Klatsky, Barcelona, breast cancer, breast_cancer, California, cancer_in_women, drinking_alcohol, European Cancer Organization, European Institute of Oncology, head of epidemiology, head of epidemiology in Italy, Health Issues, Italy, kaiser_permanente_medical, Oakland, Patrick Maisonneuve