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Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
Did you know?
Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.