Featured in hormones
The science behind sex, gender, and athletic competition is still pretty shaky
Joanna Harper’s work has catapulted her into a century-long debate about who gets to play women’s sports.
The complicated truth about testosterone’s effect on athletic performance
It’s hard to know exactly how much the hormone affects any given body, but what we do know suggests it’s not the end-all be-all.
Testosterone might make you run faster, but that’s kind of beside the point
The debate over hormone testing has some new evidence to complicate things.
‘Hormone diets’ might work—but not for the reason you think
It's about more than just nutritional advice.
Panic might be triggered by signals from your bones
Your skeleton does a whole lot more than just hold you up.
Everything you need to know about DIY sunscreen
Sunscreen is full of chemicals, but is making your own a safer option?
A new drug for postpartum depression could help everyone
A significant overlap might exist between the two distinct variations of the disease.
Your genes might influence how well your birth control works
Birth control pills affect all women differently—including how well they work.
These mice got acne so future teens might not have to
When you give a mouse a zit...