Amphetamines are stimulant drugs that boosts energy. They stimulate or speed up the messages that travel between the brain and body. The effects of amphetamines include confidence, increased energy, faster heart and respiratory rate. It reduces appetite which attributes to weight loss.
Amphetamines are usually prescribed as treatment for disorders like ADHD and narcolepsy.
An embryonic cell
The reason for this is that embryonic cells need to multiply very quickly and into large numbers so their cell cycles are short.
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