'Viagra for women': How an unexpected discovery gave rise to a drug that can boost the female libido.

European study shows encouraging results for new class of anti-obesity agents which mimic the action of a hormone that occurs naturally in the gut.

The drug P is a dangerously destructive substance that's wrecking lives, wrecking families, fuelling crime and allowing gangs to flourish.

People wanting to buy cold and flu tablets with pseudoephedrine will need a prescription from their doctor.

Tighter restrictions on the sale of over-the-counter cold and flu tablets containing pseudoephedrine, the main ingredient in P, are on the way.

An emergency department doctor has been charged with forging prescriptions for weight-loss pills to keep her awake while working long hours.