Biology

Human lung stem cell discovered

Scientists believe they’ve discovered stem cells in the lung that can make a wide variety of the organ’s tissues, a finding that might open new doors for treating emphysema and other diseases. When these human cells were injected into mice, they showed their versatility by rebuilding airways, air sacs and […]

Women have less than 24 hours in a day

http://www.healthzone.ca/health/newsfeatures/article/986312–the-day-has-24-hours-unless-you-re-a-woman-study-finds A 25-year series of rigorous sleep studies proves men and women really are marching to wildly different drummers. The Harvard Medical School study found fully 35 per cent of women live with a circadian rhythm (the 24-hour waking and sleeping cycle) of less than 24 hours. Men typically have […]