Genetics

US tells 23andMe to halt sales of genetic test

The U.S. Food and Drug Administration is ordering genetic test maker 23andMe to halt sales of its personalized DNA test kits, saying the company has failed to show that the technology is backed by science.

Addiction

Social media use linked to tobacco initiation among youth

The tobacco industry has long appealed to youth through targeted marketing that glamorizes smoking with imagery of candy-flavored products, celebrity endorsements, social settings, and other enticing tactics. That marketing ...

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