Canada's middle class takes up cannabis growing

The US Senate votes to lift a long-standing ban on allowing HIV-positive visitors to enter the US.

Dr Michael DeBakey, the heart surgeon who gained fame for his procedures developing bypass surgery, dies aged 99.

More than 1,000 people in more than 40 US states are now confirmed to have become ill with salmonella since April.

A congressional commission in Brazil rejects a bid to legalise abortion in the world's most populous Catholic nation.

An American man who was born female but underwent gender realignment surgery, gives birth, US media report.

Video footage emerges of a woman dying on the floor of a New York hospital as workers fail to help for more than an hour.

A US state aims to ensure health insurance for all

Australian ex-patients of an Indian surgeon facing multiple charges welcome his decision not to fight extradition from the US.

There is no evidence that 17 Massachusetts schoolgirls became pregnant because of a "pregnancy pact", the town's mayor says.