How cancer spreads

Cancer of the throat or larynx

From a top view of the voice box (larynx) and vocal cords, this animation shows the formation of a malignant tumor on the right vocal cord.

• Cancer

How skin cancer develops

Watch this video to see what melanoma and nonmelanoma skin cancers look like and how they develop.

Trintellix: Uses, How it Works & Common Side Effects

Trintellix is an antidepressant medicine used to treat major depressive disorder in adults, to help improve symptoms. It is a prescription medicine that is thought to work by balancing neurotransmitters which are chemical messengers in the brain.

• Trintellix

How irritable bowel syndrome affects you

Watch this irritable bowel syndrome video to learn how IBS can affect you.

Quviviq: Uses, How it Works & Common Side Effects

Quviviq is a prescription medicine used for insomnia in adults who have trouble falling asleep or staying asleep. The most common side effects include headache and sleepiness. Quviviq may also cause drowiness the next morning and sometimes for a few days which may make it dangerous if you need to drive, think clearly or perform other hazardous activities.

• Quviviq