A lack of sleep among teenagers who are spending the night hours on social media can cause depression and anxiety, according to a study.

The test, which can accurately diagnose cancer within 24 hours, was hailed yesterday as a potential "game-changer."

For victims of traumatic brain injuries is hyperbaric oxygen therapy hope, or is it all in their heads?

Forcing staff to work nine-to-five leaves their bodies exhausted and stressed as a result of sleep deprivation, say sleep experts.

Smokers who live for a long time may have specific genes promoting a lengthy lifespan, a US study has found.

The average period-haver will shell out a small fortune over their lifetime on the supposed "luxury" items needed to deal with them.

They said that while longer spells of moderate exercise were good, there were "strong benefits" in repeated short bouts of intense activity such as star jumps.

Here are 10 reasons to skip fizzy drinks this summer.

I like being middle-aged, fully-figured and self-indulgent. I am a product of our fortunate age and place. I don't want to live forever, writes Peter Lyons.

Patients should have greater choice over taking statins and stop using them if they are suffering side effects, according to leading doctors.

Eric Watson writes about what being a dad has taught him.

Wanted: Right-handed, English-speaking male dope smokers aged between 18 and 45 for a university study on brain activity.

Most lettuce has almost no flavour, hardly any texture, little nutritional value and is about as exciting as a wet weekend.

The belief that electrical devices cause health problems is far more common than you might think.

Cancer treatments could be more effective when they are combined with aspirin, a British study has suggested.

Even multibillionaire video game creators get wealth fatigue, says Jonathan Wells.

Research shows that people who grow up on farms have way fewer allergy and asthma problems than the rest of us.

New research says lack of sleep is the most important factor in determining whether someone will catch a cold.

Thousands of Kiwis will be kicking smoking to the curb for Stoptober this year.

People should follow in the footsteps of Sir Winston Churchill and enjoy a lunchtime nap, say experts.

Crusading chef wants a sugar tax to curb obesity and diabetes.

Clear the clutter, sort your wardrobe and get healthy.

Doctors are being urged to promote the powerful benefit of healthy food rather than focusing on calories and handing out drugs.

Vitamin D could play an important role in bowel problems, new research from the University of Auckland suggests.