Doctor: 'We need to pay attention to this, because the long-term consequences the children and their parents suffer is immense.'

There's a time for bed rest and a time to see the doctor. And then there's a time to head to the ER.

A delicate procedure provides new hope for a lung cancer patient.

Could the composition of nasal bacteria and the severity of people's symptoms boil down to genetics?

The sound of your child's cough could help you determine if it's something simple—or something more.

Prevention is key—public health officials urge Americans to get an annual flu shot, to protect both yourself and those around you.

We all trail a personal cloud of bacteria, viruses, fungi, plant particles, chemicals and even microscopic animals.

An expert gives us the goods on how to best fight seasonal sniffling and the ah-choos.

After dozens of surgeries, 18-year-old Jacob Taylor undergoes his most complex one: Surgeons implant custom-designed prosthetic jaw bones.

Sleep problems are common in dementia patients, and beta-amyloid accumulation and related brain changes are thought to be part of the issue.

Easy and accurate assessment of a patient's internal clock could potentially help doctors treat more than just sleep disorders.

Study: Baloxavir resolves symptoms as quickly, effectively and safely as current options.