Should I Be Worried About R.S.V. in My Child?

Respiratory syncytial virus is showing an unusual summer surge.

Is Nose Hair Essential to Fighting Off Colds and Other Viral Illnesses?

Expert advice on whether trimming or waxing your nose hairs might increase the risk of respiratory infections.

Why Everyone Has the Worst Summer Cold Ever

As pandemic restrictions begin to relax, common viruses that cause drippy noses, stuffy heads and other cold symptoms have roared back to taunt your immune system.

E.P.A. to Review Rules on Soot Linked to Deaths, Which Trump Declined to Tighten

The Biden administration says it will consider tougher limits on a deadly air pollutant that disproportionately affects low-income and minority communities.

‘Delayed Prescribing’ May Help Cut Down on Antibiotic Use

Most respiratory illnesses don’t require antibiotics, which can have harmful side effects.