Species loss ‘bad for our health’.BBCnews, April23,2008.The physiology of bears could lead to a better understanding of some diseases.A new generation of medical treatments could be lost forever unless the current rate of biodiversity loss is reversed, conservationists have warned. They say species are being lost before researchers have had the chance to examine and understand their potential health benefits. The findings appear in Sustaining Life, a book involving more than 100 experts. [ See ]