This rare movement disorder causes neck muscles to contract involuntarily. This can make your head twist or turn into often painful positions.
Disease
Rectal prolapse
This rare condition happens when the rectum slips outside of the anus. Find out about symptoms and treatment.
Disease
Anorgasmia in women
Anorgasmia is regular difficulty having an orgasm after plenty of sexual stimulation. It affects many women, causing distress.
Disease
Low sex drive in women
Many women have dips in sexual desire at some point. But you can get your sex drive back. Learn about the causes and treatments of lost libido in women.
Disease
Premature birth
Here's what you need to know about caring for a premature baby and the possible health problems of a preterm birth.
Disease
Anal itching
Learn about the causes, treatment and self-care tips for this common, sometimes embarrassing condition.
Disease
Pilonidal cyst
Learn about causes, symptoms and treatments of this painful condition that usually affects the skin above the tailbone in people who sit for long periods.
Disease
Skin cancer
Learn about skin cancer, including basal cell carcinoma and squamous cell carcinoma. Find out about symptoms, treatments and ways to lower your risk.
Disease
Attention-deficit/hyperactivity disorder (ADHD) in children
This condition affects children and may continue into adulthood. It can include having a hard time paying attention, being hyperactive and being impulsive.
Disease
Central sleep apnea
Find out how a mix-up in brain signals can affect your breathing during sleep, and learn how this sleep disorder can be treated.
Disease
Schizoid personality disorder
People with this mental health condition do not want to be with others. They stay away from social activities. They're limited in how they express emotions.
Disease
Dissociative disorders
These mental health conditions involve experiencing a loss of connection between thoughts, memories, surroundings, actions and identity.