Healthy diets
Learning Center
Rectal prolapse
This rare condition happens when the rectum slips outside of the anus. Find out about symptoms and treatment.
Pulmonary valve stenosis
When the valve between the heart and lungs is narrowed, blood flow slows. Know the symptoms of this type of valve disease and how it's treated.
Pseudotumor cerebri (idiopathic intracranial hypertension)
Headaches and vision loss can result from this increased pressure inside your brain that occurs with no obvious reason.
Pseudocholinesterase deficiency
This causes sensitivity to certain muscle relaxants used during anesthesia. Muscles may stay relaxed for too long, interfering with movement and breathing.
Progeria
This genetic disorder is extremely rare and progressive. It causes children to age rapidly, beginning in their first two years of life.
Primary ovarian insufficiency
This condition, also called premature ovarian failure, happens in women under age 40. Hormone therapy can lessen symptoms.
Primary lateral sclerosis (PLS)
This motor neuron disease causes nerves within the brain to slowly break down. It causes muscle weakness primarily in the legs, arms and tongue.
Primary immunodeficiency
Frequent infections could mean you have an immune system disorder. The conditions in this category are usually caused by genetic changes.
Preterm labor
Going into labor before your due date is serious, but knowing the risk factors and how to manage them can help.
Premenstrual syndrome (PMS)
Mood swings, cramps and irritability are just a few telltale clues that you're getting your period. Learn what you can do for PMS symptom relief.
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