Articles on Sex hormones

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Research shows that physical activity and avoiding screens before bed are both strategies to protect your teenagers’ sleep. (Unsplash/Andrea Tummons)

How much sleep do teenagers really need?

When teenagers sleep for less than eight hours a night, they are at increased risk of suicide, being overweight, high rates of injury, poor sustained attention and low school grades.
Testosterone is primarily made in the testes, and creates many of the characteristics we see in adult men. from www.shutterstock.com

You need more than just testes to make a penis

Disorders affecting penis development are among the most common birth defects seen in humans, and rates are on the rise.
The activities we do during the day – from having a fight with a partner to using our iPhones at night – also affect our hormone levels and, in turn, our quality of sleep. Jan Faukner/Shutterstock

Chemical messengers: how hormones help us sleep

Sleep allows many of our hormones to replenish so we have the optimal energy, immunity, appetite and coping ability to face the day’s highs and lows.

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