Why are drugs important?

Drugs are important in our everyday lives as it provide us with the necessary chemicals to combat illnesses or diseases when our body are too weak to do so in a shorter stipulated time.  For some diseases, drugs can be a substitute to surgery when an individual is risk averse to surgery. Nonetheless, an individual should always do a cost-benefit analysis in the consumption of a specific drug as some drugs have side effects that should not be neglected.