News tagged with human populations

Population genetics reveals shared ancestries

More than just a tool for predicting health, modern genetics is upending long-held assumptions about who we are. A new study by Harvard researchers casts new light on the intermingling and migration of European, Middle Eastern ...

May 24, 2011
popularity 4.8 / 5 (11) | comments 15 | with audio podcast

With population rise, natural laws purge nastiest genes

(Medical Xpress)—As human population grows, disease-causing genetic mutations per individual increase, but each mutation is less harmful, when compared with a population that is not growing, says a Cornell study to be published ...

Oct 03, 2013
popularity 2 / 5 (2) | comments 1 | with audio podcast

Important wound-healing process discovered

Scientists at The Scripps Research Institute (TSRI) have discovered an important process by which special immune cells in the skin help heal wounds. They found that these skin-resident immune cells function as "first responders" ...

Sep 26, 2013
popularity 5 / 5 (2) | comments 0 | with audio podcast

Researchers tease apart workings of a common gene

Researchers at Weill Cornell Medical College have discovered why a tiny alteration in a brain gene, found in 20 percent of the population, contributes to the risk for anxiety, depression and memory loss.

Sep 19, 2013
popularity 5 / 5 (3) | comments 0 | with audio podcast