The effects of drugs can vary depending on...

Correct answer: the driver's age, habits of use, and physical condition.

A medication's effect depends on several things at once. Age, physical condition, and how accustomed you are to taking it all play a role, because it doesn't affect someone who has been taking it for a long time the same way as someone taking it for the first time.

Cuestiones de seguridad vial · Medicamentos y conducción. Información y recomendaciones