Marijuana and alcohol individually are dangerous and each affects the person. It is more dangerous having both mixed. It doubles the risk of accidents. The effect of marijuana lasts up to 1-3 hours and that of alcohol lasts up to the same time.

If a person consumes both at a time, he will be drowsier. The person feels overconfident of his abilities and will tend to be careless regarding the lives of others around. Under the situation, they can’t control the vehicle whenever necessary.

Normally, the heart beat will be 70 to 80 beats per minute. It may increase by 20 to 50 beats per minute or even more depending on the dosage of marijuana and alcohol together. As a result, the person may feel panic, vomiting, nausea. This increases the risk of road accidents.

Even small doses of marijuana or alcohol affect a person quickly and if they are mixed, it will cause a lack of concentration. If a person or a vehicle suddenly comes in front him, he is unable to control the vehicle due to lack of ability to react quickly.

Overall, the hazards of driving influenced by marijuana and alcohol together, is more severe than with either drug alone. The number of people injured or killed will be more in the case of former than in the latter.