This condition affects the valve between the two right heart chambers. It changes how blood flows through the heart. Learn the symptoms and treatment.
Disease
Type 1 diabetes
Learn about the symptoms, causes, treatment of this chronic condition in which the pancreas produces little or no insulin.
Disease
Type 1 diabetes in children
Know what symptoms to look for, as well as more about diagnosis, treatment and daily living with this lifelong insulin-dependent condition.
Disease
Type 2 diabetes
Managing blood sugar levels are vital for this condition. Learn about lifestyle changes to lower the risk and treatments for it.
Disease
Type 2 diabetes in children
More children are being diagnosed with this blood sugar condition. Learn how to help manage or prevent this chronic disease in your child.
Disease
Vascular cognitive impairment and vascular dementia
Learn more about this stroke-related type of dementia that causes memory loss and can affect reasoning. Prevention is possible, and good heart health is key.
Disease
Ventricular septal defect (VSD)
In this heart problem present at birth, there is a hole between the two lower heart chambers. Know the symptoms and when surgery is needed.
Disease
Vitamin deficiency anemia
A lack of folate and vitamin B-12 can cause red blood cells to become too large so they can't carry oxygen well.
Disease
Voice disorders
Learn more about the causes of common voice disorders, such as laryngitis and granuloma, and how Mayo Clinic diagnoses and treats them.
Disease
Von Willebrand disease
Learn more about the symptoms, causes, diagnosis and treatment of this inherited bleeding condition that keeps blood from clotting well.
Disease
Wet macular degeneration
Blurred vision or blind spots could be a sign of this eye disorder. Recognizing the warning signs could save your vision.
Disease
Whipple's disease
Learn more about the symptoms, causes and treatment of this rare, mainly digestive infection.