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Scientists identify rare mutations in 36 genes that sharply raise the odds of OCD and tic disorders

A large-scale genetic analysis has identified 36 genes carrying rare mutations that substantially increase the likelihood of developing obsessive-compulsive disorder, chronic tic disorders, or both.
EurekAlert!

Rare C-to-G mutations occurred at an unexpectedly high frequency during the emergence of the SARS-CoV-2 delta variant

Two of the seven defining mutations in the Delta variant spike protein arose through C→G transversions, a mutation type that is normally very rare in SARS-CoV-2 evolution. Nearly one-third of the ...