Marijuana

Why pregnant and nursing mothers shouldn’t smoke marijuana

Claire McCarthy, MD

Faculty Editor, Harvard Health Publishing

The number of pregnant women who use marijuana has risen in recent years, but the effects of THC on a child’s developing brain make it much safer for women to avoid marijuana use entirely during pregnancy and while nursing.

Cannabidiol (CBD) — what we know and what we don’t

Peter Grinspoon, MD

Contributing Editor

Cannabidiol (CBD) is an active ingredient in cannabis that is derived directly from the hemp plant, but it does not cause a high and is not addictive. CBD is drawing attention because it has been shown to be effective in helping people treat conditions like pain, insomnia, and anxiety.