Is addiction a choice or a disease? A psychiatrist explains how repeated substance use changes brain reward and impulse-control circuits, turning behaviour into a chronic medical condition.

Some researchers argue that the roles of social environment and personal choice have to be considered in order to make progress in treating people addicted to drugs. By Jan Hoffman The message ...

Highly processed foods may harm nearly every major organ system and are linked to a surge in chronic illnesses, according to a new global review. A series of papers published Tuesday in The Lancet ...