An ecology and zoology academic says future outbreaks of waterborne diseases could be prevented if New Zealand farmers moved livestock away from waterways.

Weight-loss surgery is an effective option for obese patients with type-2 diabetes, a New Zealand study has found.

Nearly 200 sick people sought medical treatment yesterday as a severe gastro disease continues to spread across Havelock North and Hastings.

A 30-year study has found European and Polynesian gene pools are different and should be treated separately when matching tissues for transplants or prescribing medicines.

I am wondering if I can give my children anything to help with getting them to sleep. They are just not sleeping through the night

Forced to buy two aeroplane seats and told he had just three years to live, this man decided to turn his life around.

The drunkorexia behaviours included skipping meals before a drinking event: in effect substituting alcohol for food.

Skip the flannel pajamas and over-sized t-shirts - experts say sleeping au naturel is better for your health.

COMMENT: As bigger becomes the new "normal", people are less likely to recognise health problems associated with their weight.

Despite his shortcomings, Donald Trump is unshakable in his confidence. And that tells you everything that is wrong with the idea of "self-esteem", writes Kyle MacDonald.

Many studies have found that people active on social media appear to be more critical of their bodies.

COMMENT: The Auckland University researchers behind a controversial fish oil study published last month outline five key facts about it.

Good news on National Book Lovers Day: A chapter a day might keep the Grim Reaper away - at least a little longer.

Patients battling advanced breast cancer could be spared needless treatments with a clever DNA-based technique that uses personalised blood tests to closely monitor tumours.

Mothers who have had a c-section or are raising a child on their own have significantly higher levels of stress hormones in their breast milk, says research.

Have you got a recurring bout of yes-itis? It's very common. You should definitely check, Lousie Thompson writes.

Here are a few of the superfoods that we should really be eating more of in order to get the myriad of health benefits that they offer.

Planning is the key to dietary success and it now seems that specifically planning our lunch goes a long way when it comes to calorie control on a daily basis.

While its hailed by some as an effective weight loss method, experts say juice diets can lead to everything from migraines to fertility issues.

Overweight people's brains age ten years faster than those of healthy people by middle age, experts have found.

Demonstrating incredible abdominal strength, this is the moment a man attempts the ultimate cliff hanger.

The risks and complications associated with pregnancy and childbirth revealed.

These foods may be getting in the way of achieving a flat stomach, and it's not just fizzy drink and junk food.

Size 14 model Ashley Graham has penned a powerful letter to her critics.

Research out of the United States is suggesting the unthinkable: Millennials are having much less sex than their parents.

Chew on this: new research offers more evidence that vegetarians not only live better, but also longer.

Does your mind feel like a runaway train of negative thoughts? Psychotherapist Kyle MacDonald explains how to quiet the mind and unplug.

Too often in matters of health and safety today, perfection becomes the enemy of improvement.

In today's Tinder-obsessed world, what's going to set you apart from the pack?

COMMENT: We all need a good night's sleep. Without it we become mentally unstable, angry, fat, lazy and stupid. Lying to yourself only works for so long.