A fusion is a surgery that joins 2 or more bones together. During an extreme lateral interbody fusion (XLIF), this is done on the spine.

A cervical biopsy removes a tiny piece of tissue from your cervix. This tissue is sent to a lab to check for any problems with your cervix, such as precancer conditions or cancer.

This test makes X-ray images of blood vessels in your brain. It is used to help your doctor find problems with those blood vessels.

Ehrlichiosis is an illness caused by the bacteria in a tick bite. Symptoms often show up 1 to 2 weeks after you are bitten.

This exercise helps improve flexibility in the ankles.

Colds are the most common illness that people get. Colds may be caused by over 200 types of viruses. The most common of these are rhinoviruses ("rhino" refers to the nose).

Valley fever is an infection caused by a fungus that's breathed in from dust in the environment. It most often causes lung infection (pneumonia). Learn about symptoms, treatment, complications, and prevention.

This illness is caused by a virus spread by the bite of an infected mosquito. Symptoms include a high fever and joint pain. Learn about treatment and how to prevent it.

Chickenpox is a viral illness that spreads very easily from person to person. The virus that causes chickenpox can stay in the body after the illness and later cause shingles. Learn about its symptoms and how it's treated.

Steps for doing a chin tuck for strength and posture.