Discreet versions of e-cigarettes and different flavours may be some of the reasons behind the surge.
The challenge from a coalition of 20 US states is now likely to go to the US Supreme Court.
A US plane travelling from Seattle to Dallas returns after failing to unload the donated organ.
It took five weeks of round-the-clock treatment to keep Benedicte alive after her mother died.
Only one in 10 meals was classed as healthy which is a cause for concern, say researchers.
Schemes to stop adolescents becoming victims may lower the likelihood of them self-harming, a study says.
A new study suggests that doing intellectual activities throughout life is best.
Extreme dieting is leading to cases of Relative Energy Deficiency in Sport among men and women.
Doctors need up to 10 donors with a rare blood type to help a two-year-old Florida girl with cancer.
Thirty-two women carrying babies for Chinese clients are released after agreeing to keep the children.