Which of these drugs is included in the group of stimulants?
Human factor: Alcohol, drugs, and medications
Explanation
**Amphetamines** are included in the group of **stimulant drugs**. These substances have effects that can alter a person's behavior behind the wheel, such as **loss of patience**, **impulsive and violent behaviors**, and a **reduced sense of danger**. Additionally, amphetamines can delay **fatigue and sleep**, which can lead to the person suddenly feeling very tired and falling asleep unintentionally when the effect of the drug wears off.
On the other hand, **cannabis** and **morphine** are not stimulants. Cannabis can alter the perception of the environment, affect concentration, and increase reaction time, while morphine, an analgesic, can cause drowsiness and lack of concentration. These effects are different from those of stimulant drugs like amphetamines.
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