Patient Basics: Appendicitis
Originally published by Harvard Health. What Is It? Appendicitis is an inflammation of the appendix, a small, fingerlike tube that...
Health A to Z
Authoritative, patient-focused summaries of key ailments and diseases
Patient Basics: Arm Fracture
Originally published by Harvard Health. What Is It? When a bone breaks or cracks, the injury is called a fracture....
Patient Basics: Asthma
Originally published by Harvard Health. What Is It? Asthma is a chronic (long-term) lung condition. Air passages narrow and become...
Patient Basics: Astigmatism
Originally published by Harvard Health. What Is It? Astigmatism means that the cornea of the eye has an irregular shape,...
Patient Basics: Asymptomatic Bacteriuria
Originally published by Harvard Health. What Is It? When a significant number of bacteria show up in the urine, this...
Patient Basics: Atherosclerosis
Originally published by Harvard Health. What Is It? Atherosclerosis is a narrowing of the arteries that can significantly reduce the...
Patient Basics: Athlete’s Foot (Tinea Pedis)
Originally published by Harvard Health. What Is It? Athlete's foot, also known as tinea pedis, is a common foot infection...
Patient Basics: Atrial Fibrillation
Originally published by Harvard Health. What Is It? Atrial fibrillation is a heart rhythm disorder that causes a rapid and...
Patient Basics: Autism (Autism Spectrum Disorder)
Originally published by Harvard Health. What Is It? Autism is a developmental disorder of the brain. People with autism have...
Patient Basics: Back Pain
Originally published by Harvard Health. What Is It? Back pain can be a symptom of many different illnesses and conditions....