A lack of sleep increases appetite, makes us more likely to eat unhealthy foods, and even affects how body fat is lost while dieting.
The human body is built to adapt to the sudden stress of overeating.
Wild dolphins are fast, smart and hard to study, but it is important to understand how human actions affect their health. So we are building a drone to sample hormones from the blowholes of dolphins.
It doesn't matter how smooth your conversations have been. Absent the touch, taste and smell of a potential partner, you're essentially flying blind.
A scholar and mother of a young child who is now working at home explores what's called the 'work-family conflict' – and finds that's the wrong label for the impossible choices faced by parents.
Just under one in six Australian women have PCOS but some are being diagnosed when they don't meet the criteria.
When it comes to love, science has not yet got it right. And there's a wonderful reason why.
Puberty can make us behave differently.
Expert looks at latest diet trend which claims 'resetting' your hormones is the key to losing stubborn weight.
Long-term or historical use of oral contraceptives may lead to an increased risk of depression in later years; understanding the risk will better inform the decision whether or not to take the pill.
Don't get too excited about the prospect of freezing ovarian tissue to postpone menopause. The costs, risks and unknowns are likely to outweigh the potential benefits.
So-called normal levels of testosterone are approximations, but can help researchers investigate disease and treatments.
Disorders affecting penis development are among the most common birth defects seen in humans, and rates are on the rise.
Populations of freshwater species are in a state of deep decline. But we know why and we can reverse the trend.
Having a 'period' on the pill is far from necessary.
Studies show oestrogen protects against depression and psychotic symptoms. So falls in the hormone, as happens before menstruation, can lead to depressive and other symptoms of mental illness.
Two theories on autism and sex differences are confirmed in half a million people.
Worker naked mole-rats take care of their colony's young even though they aren't the pups' actual parents. New research suggests the queen gets them ready via hormones in her poop.
Seasonal animals such as the Siberian hamster can teach us a lot about appetite suppression.
Endometriosis is cut or vaporised with an electric current or laser. It ranges from a simple, 20 minute operation to complex surgery involving important organs such as the bowel and bladder.