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Sleep deprivation: A cause of high blood pressure?
Too little sleep affects not only energy levels but also heart health.
Sinus infection and toothache: Any connection?
Sometimes the cause of a toothache isn't a tooth problem, but a sinus problem.
Sex headaches
Learn about the causes and treatment of this type of headache.
Semen allergy: A cause of infertility?
Semen allergy, also called seminal plasma hypersensitivity, is a rare condition that can be easily misdiagnosed. Learn about symptoms and possible treatments.
Self-esteem: Take steps to feel better about yourself
Overcome negative self-talk and low self-esteem by using techniques from mental health counseling.
Secondary infertility: Why does it happen?
Second pregnancies don't always come easily. Learn about possible causes for secondary infertility and when to seek professional help.
Seborrheic dermatitis
Find out what you can do to treat this flaky skin condition that can cause scaly skin and stubborn, itchy dandruff.
Recurrent prostate infection: What are the treatment options?
These infections that keep coming back can be hard to treat. Here's what to know.
Probiotics and prebiotics: What you should know
Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?
Primary progressive aphasia
Find out more about this type of dementia that affects the speech and language areas of the brain.
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