News tagged with human populations

Related topics: genetic diversity

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
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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
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Getting rid of unwanted visitors

Gut-dwelling bacteria are attracting increasing attention, particularly those associated with human diseases. Helicobacter pylori is found in the stomach of humans, where it may cause chronic gastritis and gastric ulcers, ...

Sep 20, 2013
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US lawmakers examine gender imbalance in India

Millions of sex-selective abortions in India have skewed gender ratios, and the origins of the problem can be traced to American-supported population control strategies decades ago, a U.S. congressional panel heard Tuesday.

Sep 11, 2013
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