What is one of the primary effects of stimulants such as cocaine and amphetamines?

Stimulants like cocaine and amphetamines are known for their ability to increase alertness and energy levels. This occurs primarily due to their action on the central nervous system, where they enhance the release and inhibit the reuptake of neurotransmitters such as dopamine and norepinephrine. These neurotransmitters play a crucial role in regulating mood, motivation, and arousal. As a result, the consumption of stimulants leads to heightened energy, increased attention, and improved cognitive function, all of which contribute to the feeling of increased alertness.

The effects of stimulants can also lead to enhanced physical energy and overall activity levels, making individuals feel more awake and engaged in their surroundings. This is a significant reason why some people may misuse these substances, seeking to boost their performance in various aspects of life. Understanding this pharmacological impact is essential for anyone studying the effects of drugs on behavior and health.