Skip to content
Home

Category: Anne McTiernanSyndicate content

Yo-yo dieting may have a long-term negative effect on immune function

June 1, 2004

Yo-yo dieting, in which a person repeatedly loses and regains weight, may have a lasting negative impact on immune function, according to new findings by researchers at Fred Hutchinson Cancer Research Center. Conversely, maintaining the same weight over time appears to have a positive effect on the immune system.

Exercise cuts risk for breast cancer in post menopausal women

April 15, 2004

Three hours of moderate exercise per week significantly reduced circulating estrogens in postmenopausal women, according to a new study published in the current issue of Cancer Research. The finding may explain why women who exercise regularly lower their risk for breast cancer. Within three months of undertaking the five-day per week exercise program, serum levels of estrogens dipped significantly in the more active postmenopausal women. After 12 months of routine exercise, women who decreased body fat by more than 2 percent also had a 16.7 percent reduction in free serum estradiol, a 13.7 percent reduction in serum estradiol, and an 11.9 percent reduction in serum estrone, a less estrogenic form of estrogen.



About us

Science Blog was started in August 2002. It lives, breathes and eats press releases from research organizations around the globe. Most of what you read here are press releases from the outfits named in the stories themselves. Got a news story you think belongs here? Let's talk. The other half of the equation is blog posts from readers like you. So if you have an interest in science, please register and join others like you in an ongoing, vibrant dialog about what makes the world tick. Meantime, please take a minute to read our Privacy Policy and Site Disclaimer.