News tagged with nature genetics

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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'Wildly heterogeneous genes'

Cancer tumors almost never share the exact same genetic mutations, a fact that has confounded scientific efforts to better categorize cancer types and develop more targeted, effective treatments.

Sep 15, 2013
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Evolution pushes on as European men grow taller

A new study shows that the average height of European men has increased by nearly 11cm since the 1870s. Museum human origins expert Prof Chris Stringer explains why height fluctuates over time.

Sep 06, 2013
popularity 4.5 / 5 (6) | comments 3

One in four has alarmingly few intestinal bacteria

All people have trillions of bacteria living in their intestines. If you place them on a scale, they weigh around 1.5 kg. Previously, a major part of these 'blind passengers' were unknown, as they are difficult or impossible ...

Aug 28, 2013
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Skin cell defect is surprising allergy trigger

In a new study published in Nature Genetics, Northwestern Medicine and Tel Aviv University scientists have found that a structural defect in skin cells can contribute to allergy development, including skin and food allerg ...

Aug 26, 2013
popularity 4.7 / 5 (3) | comments 0 | with audio podcast

New tool enhances the search for genetic mutations

Concealed within the vastness of the human genome, (comprised of some 3 billion base pairs), mutations are commonplace. While the majority of these appear to have neutral effect on human health, many others ...

Aug 25, 2013
popularity 5 / 5 (1) | comments 0 | with audio podcast