Canker sores are painful ulcers that occur in the mouth, including on gums. Here's a look at how to deal with them.

Mouth sores and gum problems can flare along with other Crohn’s disease symptoms. Learn how to manage these complications and why they happen.

Cold sores and angular cheilitis can look somewhat similar, but they’re two different conditions. Learn more.

Physiology articles from across Nature Portfolio Physiology is the branch of the biological sciences that deals with the life-supporting functions and processes of living organisms or their parts.

Ulcerative colitis can affect more than just your gastrointestinal tract — it can affect your skin, too. Learn about symptoms and treatments for better skin health.

After having a lip filler, it is important to stay hydrated and avoid excess salt, which could cause swelling. Here are 10 aftercare tips for lip fillers.

Ecophysiology articles from across Nature Portfolio Ecophysiology is the study of how the environment, both physical and biological, interacts with the physiology of an organism. It includes the ...