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Learning Center
Hypothyroidism and infertility: Any connection?
For women, there's sometimes a link between having an underactive thyroid gland (hypothyroidism) and infertility.
Vitamin D deficiency
What are the risks of too little vitamin D?
Male masturbation: Does frequency affect male fertility?
Male masturbation has little effect on sperm count or quality.
Mayo Clinic Minute: What you should know about bats and rabies
Learn more about the risk of rabies from bats and how to prevent rabies.
3rd trimester pregnancy: What to expect
Third trimester pregnancy can bring Braxton Hicks contractions, backaches and hemorrhoids as you await the start of labor.
Trichotillomania (hair-pulling disorder)
In this mental health condition, people can't resist urges to pull out hair from their body. They do this often. Therapy may help reduce or stop urges.
Bladder cancer
Blood in the urine (hematuria) sometimes is a sign of bladder cancer. Learn about other bladder cancer signs and symptoms and explore treatment options.
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