Who’s missing from this picture?
Here's what research actually says about differences between males and females – and the question of what's innate and what's acquired.
Tumour evolution was first identified 40 years ago. We're finally making good progress with it.
Doctors should examine more than just sperm count in infertile men.
Older man having chest pain, which could signal a heart attack.
Women are paid 20 percent less than men in the US but live about five years longer than men. You might be surprised at the reasons that men, on average, die at a younger age.
Many men are not actually aroused when they wake up erect.
Morning penile erections affect all males, even males in the womb and male children.
Big daddies are also more attractive … apparently.
Having a bit of a tummy might not be the end of the world for men after all.
Predictions that top women athletes will soon be competing with the best men, and may even outperform them someday, have not borne out.
A 1992 paper predicted that if women's running performance continued to improve as rapidly as it had since the 1920s, top women athletes would soon be running as quickly as the men.
Does it make sense to target female athletes with high testosterone levels? Caster Semenya competes in the women’s 800-meter semifinal during the London Olympics.
Some women naturally produce high levels of testosterone. Why is this innate condition treated differently from other conditions that potentially enhance athletic performance?
Caster Semenya was withdrawn from competition in 2009 on the basis that her higher-than-normal testosterone level conferred a performance advantage.
Until recently, women with higher-than-expected testosterone levels were declared ineligible to take part in track and field athletics.
Caring father and baby via Shutterstock.
While many men want to seek treatment for 'low T,' a low level of testosterone is good when it comes to being a nurturing father. Here's why.
Drugs on their own aren’t sufficient.
It's time to stop panicking about paedophiles and start offering help.
The cost of cancer drugs is killing patients and it needs to stop
A longing for power and social status mixed with hormones and fear can have deadly consequences.
'Man' via www.shutterstock.com
Why is there always a man behind the trigger? And why is it almost always a young man?
Who’s the most commanding of them all?
Research shows that the clothes you wear not only affect how others see you but also how you see yourself and who you are on a biological level.
Anti-doping authorities divide steroids into good and bad ones. Yet the more you look at them close up, the more similar they actually are.
Some women are very sensitive to small shifts in hormones, others aren’t.
In recent times, we have learnt more about the connections between the “reproductive” or gonadal hormones and the brain, and how they affect not only women but men as well.
Tsimane hunter with prey after a successful hunt. How are his hormones responding?
Levels of a male sex hormone known to influence aggression and a "love" hormone that promotes bonding both rise in traditional hunters headed home after the kill. What's going on?
Tips from the top?
The Gran Fondo New York bicycle race is the biggest mass-participation event of its kind in the state, a 100-mile run between Manhattan and Bear Mountain. In May 2012 the organisers introduced drug testing…
The earlier you begin treatment the better.
Hair loss is no longer an inevitable march to baldness. Medical advances over recent decades mean male hair loss can be treated. And it need not break the bank. The cause of male pattern baldness is well…
Testosterone is important for the physical changes that happen during male puberty, and features typical of adult men, such as facial and body hair.
Testosterone is blamed for violence in males, implicated in sport scandals, linked to sexual prowess, desired by gym devotees, and promoted as a tonic for ageing. But how many of us really understand what…