Your spine protects and safeguards the spinal cord. As you may be aware, the base of the brain is linked to the spinal cord. They are collectively known as the central nervous system (CNS). Can you believe one of your body's most vital components weighs only 35 grams?
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Increasing your exercise regimen or moving heavy furniture over the weekend could result in a hernia.
Not all the useful DNA in your chromosomes comes from your ancestors some of it was borrowed from elsewhere.