Left untreated, rheumatoid arthritis and other conditions can worsen and lead to bigger problems down the road.

They're a real and debilitating problem for millions of us, yet misunderstanding persists. Here are the facts.

Ten teens headed into the California wilderness to find courage in the face of hemophilia. A Michigan nurse with the same disorder helped show them the way.

Over time, consumption of high-quality, plant-based foods can lower the risk of death—as long as you also steer clear of animal-based meats and unhealthy treats.

Follow these handy tips for healthy interactions with family and friends who are battling this burdensome disease.

JJ Smith’s parents moved to a new home and found new doctors—all to save their son.

Paralyzed by Guillain-Barré syndrome, Rich Toole found his way back to mobility through intense physical therapy and unyielding positivity.

Scientists continue to uncover the biomechanics of tick bites—and their findings suggest these little monsters pose even more trouble than once thought.

Immediate treatment with antibiotics is critical for older adults, as untreated cases can lead to bloodstream infection and death.

Merritt Smith experienced seizures and missed developmental milestones. Genetic testing revealed the cause—a missing chunk of a chromosome.

An afternoon rest has its distinct advantages—but watch out for the downsides.

For the first time in more than 20 years, a new type of treatment is approved for clinical depression. Ketamine has shown promising results in drug trials.