General

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General

How do your balls make sperm?

The testicles have a system of tubes called seminiferous tubules.These tubules contain cells at birth.During puberty, testosterone and other hormones

General

Is sugar a drug?

Sugar might be expected to have addictive potential due to its release of opioids and dopamine.There is evidence of sugar

General

Is caffeine is a drug?

Coffee is a drug that stimulates the central nervous system.Most people get a temporary energy boost from coffee.Coffee, tea, chocolate,