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Did you know?
Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
Did you know?
People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Thyroid conditions may make getting pregnant impossible.