Experts predict a global epidemic of Alzheimer's disease as the world's population ages. Their focus is now on a fat hormone that may indicate who is more likely to get Alzheimer's or other forms of dementia. By 2050, the number of people with Alzhei

发表于:2018-11-29 / 阅读(98) / 评论(0) 分类 VOA标准英语2009年(十二月)

Broadcast: June 11, 2003 By Nancy Steinbach This is the VOA Special English Health Report. New research has found another danger of hormone replacement therapy1. The therapy studied involved the hormo

发表于:2018-12-07 / 阅读(67) / 评论(0) 分类 VOA2003(上)-国际经纬

By David McAlary A new U.S. study highlights more negative health effects women might suffer if they take hormone supplements to combat the symptoms of aging. We know that taking the female hormones e

发表于:2018-12-08 / 阅读(44) / 评论(0) 分类 VOA2004(下)--健康科技

This is Scientific American's 60-Second Science. I am Steve Mirsky.Got a minute? Talk about your vicious cycles. A new study finds that belly fat could be making you hungrier. Which would lead to more belly fat. The research was performed at the Univ

发表于:2019-01-08 / 阅读(73) / 评论(0) 分类 Scientific American(四)月

Leptin is a hormone made by fat cells that tells you when you're full. If you didn't have leptin---and some people don't---youd eat way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kid

发表于:2019-01-08 / 阅读(76) / 评论(0) 分类 Scientific American(六)月

Since the April 20 explosion and fire that sank the BP Deepwater Horizon off-shore oil rig, about 800,000 liters of crude oil a day have been spewing from the broken well into the Gulf of Mexico. The massive spill is threatening marine life, commerci

发表于:2019-02-05 / 阅读(66) / 评论(0) 分类 VOA标准英语2010年(五)月