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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
VOA标准英语2009年(十二月)
bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气；穿着俗丽 【记】bed床
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NB: This is not a word for word transcript Stephen: Hello, I'm Stephen. Rob: And I'm Rob. Stephen: And this is 6 Minute English! This week were talking about citizen journalism. Rob: Citizen journalism thats when people who arent trained journalists
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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
Scientific American(六)月
Hormone Could Restore Fertility in Lean Women Some women with very low body fat - such as athletes and professional dancers - stop menstruating and have an increased risk of bone fracture. Now, there's increasing evidence that hormone treatments can
VOA标准英语2011年(四月)
Leptin is a hormone made by fat cells that tells you when youre full. If you didnt have leptinand some people dontyoud eat too way too much, get real fat and almost certainly develop diabetes. Leptin acts like a natural appetite suppressant. Kids bo
60秒科学