Genetics

How genes affect tobacco and alcohol use

The use of alcohol and tobacco is closely linked to several diseases, and is a contributing factor in many deaths. A recent study using data from 1.2 million people has now been published in the journal Nature Genetics. Several ...

Oncology & Cancer

Red hair gene variation drives up skin cancer mutations

For the first time, researchers at the Wellcome Trust Sanger Institute and University of Leeds have proved that gene variants associated with red hair, pale skin and freckles are linked to a higher number of genetic mutations ...

Alzheimer's disease & dementia

pH imbalance in brain cells may contribute to Alzheimer's disease

Johns Hopkins Medicine scientists say they have found new evidence in lab-grown mouse brain cells, called astrocytes, that one root of Alzheimer's disease may be a simple imbalance in acid-alkaline—or pH—chemistry inside ...

Psychology & Psychiatry

Roots of major depression revealed in all its genetic complexity

A massive genome-wide association study (GWAS) of genetic and health records of 1.2 million people from four separate data banks has identified 178 gene variants linked to major depression, a disorder that will affect one ...

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