(New York Times) – Users needing emergency care or hospitalization were more likely to later develop dementia, researchers reported. That does not prove cannabis was the cause.

Middle-aged and older adults who sought hospital or emergency room care because of cannabis use were almost twice as likely to develop dementia over the next five years, compared with similar people in the general population, a large Canadian study reported on Monday.

When compared with adults who sought care for other reasons, the risk of developing dementia was still 23 percent higher among users of cannabis, the study also found. (Read More)