Students that have an exam and need to pull an all-nighter may take a significant dose of Adderall to instantly become more alert and stay up all night to prepare and cram for school.
The use of PCP among children and youth may interfere with hormones related to normal growth and development.
When people mix cocaine and alcohol the dangers associated with the use of these substances are compounded, and the human liver combines cocaine and alcohol and manufactures a third substance, cocaethylene, which intensifies cocaine's euphoric effects while also increasing the risk of sudden death.
Male hashish users can have lower sperm count and females may have irregular periods.