"The UN estimates that by 2050, common bacterial infections could kill more people than cancer," says Arnold Mathijssen, a ...

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that ...

“Patients with pulmonary edema generally describe breathlessness. Sometimes they feel like they are suffocating or breathing ...

Although constipation and diarrhea may seem like opposite problems, they both hinge on the same underlying issue: how much ...