Answer:
Reduce coordination and affect the ability to judge speed and distance.
Step-by-step explanation:
Amphetamines are central nervous system (CNS) stimulants which speed up the messages going between the brain and the body. It also causes restlessness, acne, and blurred vision. With blurred vision you wont be able to judge speed and distance. Also, Amphetamines are used for recreational purposes. They are addictive.