Breast health
Learning Center
Nipple discharge
Fluid leaking from the nipples isn't often a sign of breast cancer. Learn more about the possible causes and when to see a doctor.
Nausea and vomiting
Motion sickness and drinking alcohol are among the many common causes of nausea and vomiting. Serious diseases can also have this effect.
Low potassium (hypokalemia)
Low potassium (hypokalemia): Symptom — Overview covers what can cause this blood test result.
Kidney pain
Find out how this type of pain may feel and what health problems can cause it.
Headache
Headache: Symptom — Overview covers definition, possible causes of this painful symptom.
Dry orgasm
It's possible for men to reach sexual climax without ejaculating. Learn about the possible causes.
Breast rash
Overview covers the definition and possible causes of breast rashes.
Breast lumps
A breast lump could be due to something harmless. Or it could be cancer. Learn breast lump causes and find out when you need to see a health care provider.
Breast calcifications
Most breast calcifications are benign. Find out more about what can cause them, what they look like, and when to see a doctor.
Blood in semen
This symptom can be scary, but the cause is most often not cancer. Find out possible causes and when to see a doctor.
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