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Erectile dysfunction: A sign of heart disease?
Erectile dysfunction and heart disease can be linked. Take steps to avoid both.
Low sperm count
Having a low sperm count can make conceiving a child difficult, but not necessarily impossible. Learn about possible causes and treatment.
Male infertility
Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.
Neuromyelitis optica
Understand more about this condition that affects the spinal cord and eye nerves and is sometimes mistaken for multiple sclerosis.
Oppositional defiant disorder (ODD)
This childhood mental health condition includes frequent and persistent anger, irritability, arguing, defiance or vindictiveness toward authority.
Patent ductus arteriosus (PDA)
Learn about symptoms, causes and treatment of this common — and treatable — heart problem that occurs shortly after birth.
Polio
Learn more about this contagious viral illness that affects the nervous system. Severe disease can lead to paralysis, trouble breathing and sometimes death.
Shigella infection
Shigella infection is an intestinal infection that causes diarrhea. Learn how to recognize, treat and prevent the spread of this contagious condition.
Prostate cancer prevention: Ways to reduce your risk
Choose a healthy diet and add exercise to your daily routine in order to reduce your risk of prostate cancer. Learn more about prostate cancer prevention.
Hand-washing: Do's and don'ts
Done properly, hand-washing is a simple way to prevent the spread of germs and avoid getting sick.
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