Pot is quickly becoming America's drug of choice, on track to replace alcohol, but its harms are becoming clear as well.

When Nigeria's revered octogenarian industrialist, Chief Rasaq Akanni Okoya, chose compassion over celebration to mark his 86th birthday, it was a moment that blended gratitude, grace and generosity: ...

Autoimmune diseases such as multiple sclerosis arise when the immune system turns against the body itself. Yet for most of ...