Sex has evolved over millions of years as a mechanism to initiate pregnancy. But there's more to it than just the meeting of two sets of genes.

WATCH: This might just be the fittest mum on the internet - and she's had five kids.

COMMENT: Savoury yoghurt. 62'C eggs. Pork cheek with carrots, langoustine, almond and gingerbread. We're overcomplicating our food choices in 2017.

Khloe Kardashian's trainer has revealed the secret to the reality star's svelte new figure.

Teen Ruby McKinnon's flat stomach ballooned to the size of a rockmelon overnight.

The thing with the luxurious long summer break is that we sink into it and feel so good that we forget how life rolls the rest of the year.

COMMENT: I always find around the summer holidays there are two quite different, yet equally vivid, realities going on in my head at the same time.

Here are six ways to boost your fitness without spending a cent.

Everyone knows we should always eat a good breakfast but polishing off a plate of eggs, bacon and sausages may be doing more harm than good.

As long summer days on the beach draw to an end, Kiwis could be forgiven for having a dose of the back-to-work blues.

Your child may have made it through an itchy battle with chicken pox, but what about the scars they've been left with?

After a mother-of-three privately funded her own immunotherapy, she has seen miraculous results.

Mothers said the sunscreen failed to protect their children and even adults.

A woman in Nevada has been killed by a superbug that proved resistant to every antibiotic available in the US, the Centers for Disease

A Bay of Plenty doctor says skin cancer diagnosis is on the rise, especially in Baby Boomers. The Bay of Plenty has the third highest rate of skin cancer in New Zealand. Made with funding from NZ On Air.

A young Australian woman was in her 20s when she was diagnosed with a common but serious medical condition.

Aspiring weightlifter and wrestler Arbab Khizer Hayat is likely the biggest human you'll see and he needs serious fuel to power his huge frame.

What if you could get in your exercise while you're at work? Lee-Anne Wann has a clever workout routine for you.

It's the world's favourite chocolate spread, but a report claims one of Nutella's main ingredients is carcinogenic.

A Bangladeshi man with bark-like warts on his body has undergone treatment that may have cured him of his condition.

A woman has shed an astonishing 35kgs in just 16 months after discovering undiagnosed food allergies had led to her piling on the pounds.

A 70kg woman who felt so fat she wanted to die has gained seven dress sizes and loves her new look.

A nutritionist has revealed the potential pitfalls of following a vegan diet.

Scientists are claiming painful visits to the dentist could become a thing of the past, thanks to an Alzheimer's drug.

As Kate Middleton turns 35, here is a list of things all women approaching her age will be discovering are all too true about life.

Researchers have found that children spend far too much time inside playing on electronic devices. Here's why you should get them outdoors these holidays.

In 2015 and 2016 the Human Rights Commission received 61 complaints alleging discrimination due to one's sexual orientation.

Is this the key to achieving your weight loss goals this year?

Astounding collection of stories where injury creates a genius.

Already bored of setting goals for the new year? That means you're extremely likely to fail and given we're well into the first week of January, maybe you already have.