Experts say we can expect each tick season to be worse than the last.
Doctors know very little about polycystic ovarian syndrome, but a recent mouse study sheds light on a possible cause.
The actress says she thinks postpartum depression triggered her mental illness.
Ever had bloodshot eyes after a day swimming in a hotel pool? It's not because of the chlorine.
James Harrison had to stop donating blood at the age of 81, after 1,173 donations of plasma that saved millions because of his rare type.
They're cute, but they can cause some damage. Keep things safe and comfortable with our tips.
The TV and radio personality opens up one year after undergoing surgery to remove the benign brain tumor.
Doctors explain why the first lady might have needed the procedure.
A number of brands were affected by the Rose Acre Farms recall.
The "Fixer Upper" star recently completed his first marathon in Waco, Texas.
Do you have what it takes to be like James Bond?
Allison Pataki and her husband, Dave Levy, discuss the experience and new book with the ladies.
With the summer months just ahead, it's time to start taking early precautions to ward off harmful ticks carrying Lyme disease.
There’s no more serious diagnosis in all of human medicine than a brain tumor, doctors say. May is Brain Tumor Awareness Month.
The pollen count is high across much of the country. Here's how to get rid of seasonal allergies.
Stuffy nose keeping you up at night? Here's how to fix it!
At least 149 people in 29 states have been sickened after eating romaine lettuce contaminated with E. coli, the CDC said Wednesday.
There are alternatives, but you may have to look.
Doctors faced a dilemma: The longer they waited to treat the mom, the riskier it was for her health, but the better it was for her unborn baby.
GoBabyGo! uses Power Wheels to help kids with disability move and play. They build confidence and makes it easier for them to get power wheelchairs.
Many people do not develop the hallmark signs of Lyme, and that can make infections difficult to diagnose.
NBC News medical contributor Dr. Natalie Azar visits TODAY to reveal five health symptoms that could indicate common issues that could lead to larger problems...
She'll be trekking more than 1,550 miles on the "Wild Atlantic Way" for a special reason.
Doctors gave the Alabama teen virtually no chance of recovering from his devastating accident.
NBC's Chief White House correspondent Hallie Jackson packs her bags with baby food to help get the nutrients she needs as she follows President Trump.
People crowded the TODAY plaza to break a world record for most people putting on sunscreen at once.
The '80s hitmaker spoke about being diagnosed with Meniere's disease, an inner ear disorder that has left him unable to perform.
The Gaineses are always supporting each other.
Kathie Lee Gifford and Jenna Bush Hager are assisted by a couple of TODAY fans as they square off in a dental health quiz called "Tooth or False!" Dr. Gerald...
A nurse who created a hilarious viral video about how to avoid getting the flu spoke for Nurse Appreciation Day about why she entered the profession.
I lived with the painful skin condition for years. But when my daughter began tearing at her hands during eczema flare ups, I signed us up for a clinical trial....
A Florida woman woke up to discover a palmetto bug had crawled into her ear, but that was just the beginning of her nightmare.
The "Deadpool" star discusses his struggles with the disorder in a New York Times profile
Children could confuse the e-liquids for candy or juice, leading to serious accidents since nicotine is toxic, especially to small kids, experts warn.
The actress shared that she is having an unspecified procedure and also expressed her gratitude to blood donors.
What exactly is a deep cleaning and do you need it? Some doctors think it's necessary, others think it's not a crucial procedure in most cases.
Harvard researchers analyzed data on more than 100,000 adults
It's unclear how Kiley Lane, 27, was infected with the dangerous respiratory infection
The "I Feel Pretty" star shared a few "sexy as hell" pics of herself from her hospital bed.
The new tick comes with some pretty scary properties.
Experts show us how to pick the most supportive walking kicks
The TODAY correspondent let cameras follow her through the first part of her journey.