Oral contraceptives modify the menstrual cycle. What’s less well known is that they also reach the brain, particularly the regions important for regulating emotions.
Female moles evolved to have high testosterone levels, making them fiercer diggers and mothers. Female hyenas share this trait, but it means they must give birth through a male-like phallus.
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.
Darby Saxbe, USC Dornsife College of Letters, Arts and Sciences
Having a newborn can be rough, whether you’re a mom or a dad. New research ties men’s testosterone to their postpartum depression – with some surprising upsides for their partners.
Women have evolved to have stronger immunity than men. But this comes with downsides -
women are more likely to have autoimmune diseases due to their “reactive” immune systems.
Visiting Professor in Biomedical Ethics, Murdoch Children's Research Institute; Distinguished Visiting Professor in Law, University of Melbourne; Uehiro Chair in Practical Ethics, University of Oxford