Health Care

Sick again? Maybe your building is to blame.

Machine healing

Is sugar addictive?

U.S. innovation ecosystem is envy of world. Here’s how it got started.

Did a socially awkward scientist set back airborne disease control?

You went to the doctor and came out feeling worse

A dietary swap that could lengthen your life?

New hope for repairing eye damage once thought untreatable

Cancer? No, thank goodness, it’s just high cholesterol.

How much sleep do you need?