Environmental factors such as sunshine and tobacco smoke cause more cancers than random DNA mutations, researchers have affirmed -- contesting another team's conclusions that "bad luck" was mainly to blame.
If possible, it is better to go to bed and get up at the same time during the week and at the weekend, says a new US study which has established a link between changes to sleeping schedules and metabolic disorders.
Having sex once a week is all it takes for optimal happiness among married heterosexual couples and those in long-term relationships, according to a new study led by a researcher at the University of Toronto.
Canadian scientists have made history with a world first, successfully using focused ultrasound to break through one of the human body's final frontiers -- the blood-brain barrier. The researchers have unlocked a non-invasive way to deliver medication deep into the brain.