Nutrition basics
Learning Center
Video: Ovulation
Ovulation — the release of an egg from an ovary — occurs about midway through the menstrual cycle. See how it happens.
Breastfeeding positions
Breastfeeding can be awkward at first. Experiment with various positions until you feel comfortable.
Dry orgasm
It's possible for men to reach sexual climax without ejaculating. Learn about the possible causes.
Bacterial vs. viral infections: How do they differ?
Understand the differences between bacterial and viral infections.
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
Premenstrual dysphoric disorder: Different from PMS?
Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be PMDD.
Hypospadias
Hypospadias is a birth defect in which the opening of the urethra is located on the underside of the penis instead of the tip. Learn about treatment.
Hydrocele
Find out more about the symptoms, causes and treatments for this swelling in the scrotum.
Stage 4 prostate cancer
Find out about diagnosis and treatment of this cancer that has spread to the lymph nodes or other parts of the body.
Male depression: Understanding the issues
Men may cope with depression in unhealthy ways. Depression in men often is not diagnosed or treated. This can lead to serious and sometimes tragic results.
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