Driving under the influence of **alcohol or drugs** is considered a **crime** according to the penal code. This is because these substances negatively affect driving ability, endangering both the driver and others on the road.

- **Alcohol and drugs**: Driving after consuming these substances is prohibited and can result in **fines** or even **imprisonment**. This demonstrates the seriousness of the act and its consideration as a crime.

- **Effects of drugs**: Each drug has specific effects that can be dangerous when driving. For example, **cannabis** can alter the perception of colors and distances, while **cocaine** can increase impulsivity and reduce the sense of danger. **Ecstasy** and **LSD** can cause hallucinations, and **amphetamines** can lead to impulsive and violent behaviors. All these effects increase the risk of accidents.

- **Detection tests**: Authorities conduct tests to detect alcohol and drug use in drivers involved in accidents, who show symptoms of consumption, or who have committed infractions. Refusing these tests also carries penalties.

In summary, driving under the influence of alcohol or drugs is a crime because it compromises road safety and is punishable by law with severe penalties.