Prenatal cannabis-use linked to autism

Canadian researchers report that incidence of the condition rise from 2.42 to 4 per 1000 person-years among children exposed to cannabis in utero
Reuters Health

Mothers who use cannabis during pregnancy are more likely to have children with autism than mothers who don’t, a Canadian study suggests.

Researchers examined birth registry data and health records for children born in Ontario between 2007 and 2012.