The consumption of **abuse drugs** has a direct relationship with the **most serious traffic accidents**. This is because drugs negatively affect the abilities necessary to drive safely.

- **Cannabis**: It can alter the perception of the environment, make it difficult to judge distances, reduce concentration, and increase reaction time. It can also cause drowsiness at the wheel.

- **Cocaine**: Increases impulsivity and aggressiveness, decreases the sense of danger, and can lead to more reckless driving.

- **Ecstasy**: Can cause hallucinations, increase sensitivity to light, cause blurred vision, and affect concentration. It can also generate depression and anxiety.

- **LSD**: Causes hallucinations, aggressive reactions, and episodes of anxiety or panic.

- **Amphetamines**: Increase impulsivity and violence, reduce the sense of danger, and can cause sudden fatigue when their effects wear off.

In addition, it is estimated that **one in ten people** who die in traffic accidents had consumed drugs before driving. This underscores the significant impact that drugs have on road safety.

Therefore, it is evident that drug consumption is related to a large part of the most serious accidents, which justifies the prohibition of driving under their effects.