From a medical standpoint, we absolutely shouldn’t cancel the Rio Olympics

Zika is a warning to the US public health system to stop rushing from fire to fire

Astronaut Scott Kelly and his twin could get us the medical breakthrough we need for Mars

What Africa’s fight against HIV can teach Latin America about Zika

Getting paid by your employer to be healthy works—except when it doesn’t

What it’s like to be the “doctor on board”, and why airlines shouldn’t be relying on them