The researchers studied US government nutritional data and fat levels in the blood in more than 6,000 adults for at least six years.

VOA: standard.2010.04.25

We take in a lot of food and water everyday, every year, and yet most of us our weight stays remarkably stable over that period of time for adults despite how much we eat and how much we drink.

日复一日年复一年,我们都摄入大量的食物和水,但我们绝大部分人的体重,在成年期都保持得很稳定,不管我们怎样大吃大喝

耶鲁公开课 - 生物医学工程探索课程节选

But an even more astounding result for us from this survey, which encompassed 1,000 adults a random telephone survey in January of this year, was that over 800 of the respondents - that's over four out of five people - say they are still buying green products, still buying green products in a very severe recession."

VOA: standard.2009.03.30