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White stool: Should I be concerned?
White stool may mean a serious liver problem. Learn about causes.
Vitamin B-12 and depression: Are they related?
Low levels of vitamin B-12 and other B vitamins may be linked to depression, but more research is needed.
Unusual COVID-19 symptoms: What are they?
COVID-19 can cause a wide variety of symptoms, some more common than others. Learn about how COVID-19 can make you feel.
Male infertility
Male infertility often plays a role when couples have trouble conceiving. Find out what causes male infertility and available options for treatment.
Low sperm count
Having a low sperm count can make conceiving a child difficult, but not necessarily impossible. Learn about possible causes and treatment.
Kyphosis
This excessive forward rounding of the back is often caused by osteoporosis in older women. Spinal malformations can cause kyphosis in infants or teens.
Hemorrhoids
There are many effective options for easing the discomfort of hemorrhoids — swollen veins in the anus and lower rectum.
Hemolytic uremic syndrome (HUS)
Damage to the small blood vessels in the kidneys can cause clots that clog the organ's filtering system. This can lead to life-threatening kidney failure.
E. coli
Most strains of E. coli bacteria are harmless, but some can cause severe symptoms. Learn about symptoms and treatment of this common foodborne illness.
Coronavirus disease 2019 (COVID-19)
Coronavirus disease 2019 (COVID-19) is an illness caused by the virus SARS-CoV-2. Learn more about the symptoms, risks and ways to protect yourself.
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