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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
There are more sensory neurons in the tongue than in any other part of the body.
No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
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