Stressed Out

A new study in Cell is helping to clarify how the stress of starvation or drug addiction can be passed on to subsequent generations through epigenetic changes, reports New Scientist's Andy Coghlan. Previous studies have already shown that if mice are stressed after birth, their offspring can be born with signs of depression or anxiety.

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CNN reports that researchers have tied a new variant to opioid addiction risk.

Organoids derived from patients' tumors may help determine what chemotherapy treatment patients would benefit from, according to New Scientist.

An initiative from GenomeAsia 100K hopes to increase the number of South Asians in genetic research, according to NBC News.

In Science this week: genomic analysis of ancient and modern horses indicates population turnover, and more.