If the deep ocean makes you uneasy, this video might test your nerves. These 25 real images explore the mysterious depths of the sea, from dark underwater caves to massive sea creatures that trigger ...

Cholangitis is bile duct inflammation that can block bile flow and cause it to back up into the liver. This can cause liver damage without treatment. Symptoms vary by type and may be mild at first, ...

Diabetes happens when your body makes little insulin or can’t use it efficiently, which raises your blood sugar too high. Diabetes symptoms can include dark, velvety neck skin, repeated infections, ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

MS is a chronic disease that affects the central nervous system. When you have MS, your immune system attacks the protective sheath (myelin) that covers nerve fibers, and this can lead to ...

Acid reflux happens when stomach contents flow back into the esophagus. Eating smaller meals helps prevent acid reflux symptoms. Avoiding smoking may decrease acid reflux frequency. Acid reflux, or ...