Article: Think fat. (link between nutrition and evolution)

Think fat

IF MAN is what he eats, did what he one ate determine what he has become? There are plenty of examples to show that nutrition and evolution are linked. For two billion years the earth was colonised by algae-like creatures that excreted oxygen and evolved little. Only once there was enough oxygen could amoeba-like creatures appear, and evolution proceed apace. Over 100m years ago some land animals took to the air. They probably had a diet rich in flying insects, which are low in minerals. Deprived of calcium, their skeletal weight fell to a point where they became light enough to fly.

Dr Michael Crawford, at the Institute of Zoology in ...

Related newspaper, magazine, and journal articles:

 
 
Newsweek Harper's Magazine The Washington Post Chicago Tribune Crain's Chicago Business PRNewswire Pediatric News The Nation Advertising Age The Economist (US) A FREE trial gives you access to over 80 million articles! Access over 6,500 publications with a FREE trial!