Nutritional supplements
Learning Center
Yeast infection in men: How can I tell if I have one?
Yeast infections can occur in men, causing inflammation of the penis (balanitis). Learn what signs and symptoms could mean you have a yeast infection.
What is wheatgrass? Why is it in my drink?
Wheatgrass is a popular addition to smoothies and other drinks. While it's a rich source of nutrients, it's not a disease cure-all.
Vitamin D toxicity: What if you get too much?
Understand the risks of too much vitamin D, including a toxic reaction.
Vitamin D deficiency
What are the risks of too little vitamin D?
Too much vitamin C: Is it harmful?
Vitamin C is an essential nutrient, but too much carries its own risks.
Testicular microlithiasis: Is it linked with testicular cancer?
A Mayo Clinic specialist discusses the relationship between testicular microlithiasis and testicular cancer.
Terrible twos: Why are 2-year-olds so difficult?
Find out how to help your toddler meet the challenges of being 2.
Recurrent prostate infection: What are the treatment options?
These infections that keep coming back can be hard to treat. Here's what to know.
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
Prostate cancer: Does PSA level affect prognosis?
Find out what your PSA level may mean for your prostate cancer prognosis.
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