These are extreme fears of objects or situations that pose little or no danger. There is no reason for these fears, but you stay away from these things.
Disease
Teeth grinding (bruxism)
With this condition, you grind or clench your teeth when you're awake or while you're sleeping. This can damage your teeth and cause pain in your jaw.
Disease
Depersonalization-derealization disorder
This mental health condition causes you to feel like you're seeing yourself from outside your body or that things around you are not real, or both.
Disease
Chlamydia trachomatis
This common sexually transmitted infection (STI) can lead to serious health problems if left untreated. Learn more about symptoms, treatment and prevention.
Disease
Coarctation of the aorta
This heart condition is usually present at birth. It's treatable but requires lifelong health checkups. Learn about the causes and treatment.
Disease
Atrial septal defect (ASD)
This heart problem that is present at birth causes a hole between the heart's upper chambers. It can be treated.
Disease
Autoimmune pancreatitis
Autoimmune pancreatitis is a relatively uncommon disease of the pancreas that may be mistaken for pancreatic cancer.
Disease
Pulmonary atresia with intact ventricular septum
Also called PA/IVS, this rare congenital heart defect is diagnosed at or shortly after birth. Learn the symptoms and how it's treated.
Disease
Osteoporosis
Fractures associated with this bone-weakening condition can be life altering. Good nutrition, regular exercise and medicines can help.
Disease
Hirsutism
Learn about causes and complications of unwanted excess hair in women and what self-care methods and medical treatments are effective.
Disease
Vaginal agenesis
In this rare condition that occurs before birth, the vagina doesn't develop and the uterus may only develop partially or not at all. Learn about treatment.
Disease
Suspicious breast lumps
Most of these growths aren't cancer, but you should still get them checked promptly.