The F.D.A. is making its biggest move yet to end smoking. It needs to be careful not to give rise to another public health ...

Two girls accused in the killing of a homeless Toronto man were swigging liquor from bottles and smoking marijuana with ...

Tobacco harm reduction advocates won out—but only for now—against a ban that's been long in the making. Fresh evidence ...

Rising air pollution, changes in hormone levels, immune system imbalances and longer life expectancy are increasing the risk ...