Health Information Library

These tiny bugs can live in your clothing and feed on your blood. Find out how to treat and prevent this itchy pest.

This test looks at blood flow through arteries on the sides of the neck that move blood from the heart to the brain.

An ultrasound of the abdomen is the preferred test to screen for an aortic aneurysm. But it may be done for other health reasons too. Learn why.

Find out more about this test for peripheral artery disease.

Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.

This health concern can make it challenging to start a pregnancy. Learn about possible causes and treatment.

Learn about the symptoms, treatments and home care tips for this short-lived type of seborrheic dermatitis that's common in infants.

This open tunnel connects the rectum and vagina, allowing gas or stool to pass into the vagina. Learn about rectovaginal fistula treatment and self-care.

A firm, round lump in breast tissue could be a fluid-filled cyst. Breast cysts are typically not cancerous and often need no treatment.

A breast lump could be due to something harmless. Or it could be cancer. Learn breast lump causes and find out when you need to see a health care provider.

Do you need cataract surgery? Find out what to expect during and after this common eye procedure.

Find out about this prenatal test that checks the fluid surrounding the baby during pregnancy.

Find out the basics about cancer, including symptoms, causes and treatments. Learn steps you can take to prevent cancer.

Learn about the many ways to prevent mosquito bites and how to ease the itch if you are bitten.

Learn more about this surgery that uses small incisions in the chest as an option to open-heart surgery.

This digestive condition happens when part of the small intestine is missing or damaged, either at birth or after surgery. The syndrome keeps you from absorbing needed nutrients.

Learn how Mayo Clinic specialists help you maintain your feeding tube at home.

Learn what may cause this change in mental abilities. Symptoms develop fast and include confusion and being unaware of surroundings.

This complication of radiation therapy for cancer can cause stomach pain, vomiting or diarrhea. For most people, symptoms go away within weeks.

Suicide can be prevented. Learn suicide warning signs and how to reach out for immediate help and professional treatment.