Dementia claimed the lives of 288,436 U.S. older adults in 2022, up from 275,538 in 2021, the CDC said. Air pollution exposure was associated with head and neck cancer incidence. (Scientific Reports) Brief cognitive behavioral therapy by video telehealth reduced suicide attempts among adults with recent suicidal ideation or behavior.

A Canadian teenager infected with bird flu — that country’s first case involving a locally acquired infection — is in critical condition and experiencing difficulty breathing, health officials said Tuesday.