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A Drink Just Sounded Good

Researchers from The Netherlands' Behavioral Science Institute report that people with the seven-repeat allele version of dopamine D4 receptor gene were more likely to mimic the drinking habits of others, reports LiveScience. DRD4 "has previously been associated with novelty-seeking behavior and dependence on feel-good rewards," the article adds. The study, published in Psychological Science, found that study participants' drink consumption was affected by how much the confederate in the study drank and the gene variant. "When the confederate was seen consuming three or four drinks, carriers of the 7-repeat form of the gene drank more than twice as many glasses of alcohol than did noncarriers of the gene variant," according to a press release from Psychological Science.

The Scan

Push Toward Approval

The Wall Street Journal reports the US Food and Drug Administration is under pressure to grant full approval to SARS-CoV-2 vaccines.

Deer Exposure

About 40 percent of deer in a handful of US states carry antibodies to SARS-CoV-2, according to Nature News.

Millions But Not Enough

NPR reports the US is set to send 110 million SARS-CoV-2 vaccine doses abroad, but that billions are needed.

PNAS Papers on CRISPR-Edited Cancer Models, Multiple Sclerosis Neuroinflammation, Parasitic Wasps

In PNAS this week: gene-editing approach for developing cancer models, role of extracellular proteins in multiple sclerosis, and more.