Healthy pregnancy
Learning Center
Progressive supranuclear palsy
Learn about this brain condition that affects your ability to walk, move your eyes, talk and eat.
Prostate cancer
Learn about detection, diagnostic approaches, treatment options and advances for prostate cancer, including robotic prostatectomy and current research.
Prostatitis
Learn about tests and treatments for disorders of the prostate gland that cause pain, difficult or painful urination, and other symptoms.
Pseudobulbar affect
Pseudobulbar affect — Overview covers symptoms, treatment of this neurological condition that's characterized by uncontrollable laughing and crying.
Pseudocholinesterase deficiency
This causes sensitivity to certain muscle relaxants used during anesthesia. Muscles may stay relaxed for too long, interfering with movement and breathing.
Ramsay Hunt syndrome
A shingles outbreak can affect the facial nerve near one of your ears, potentially causing facial paralysis and hearing loss.
Respiratory syncytial virus (RSV)
This common illness affects the lungs. It can seem like a cold, but may be severe, especially in children. Know the symptoms and treatment.
Restless legs syndrome
Uncomfortable sensations in your legs can interrupt your sleep — making you drag through your day. These therapies calm the restlessness and improve sleep.
Retractile testicle
Find out about this condition that allows the testicle to move between the scrotum and groin.
Retrograde ejaculation
Learn about the symptoms and treatment options for this condition that can cause male infertility.
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