Write a short note on medicines.

Explanation

In the olden days, people used to depend on different parts of medicinal plants like Tulasi, Vasaka, Neem etc., or their extracts for treatment of diseases, Scientists observed and analysed the composition of those substances and developed similar kind of molecules artificially and the direct use of the medicinal plants has reduced gradually. With the advancement of the medical science, scientists developed many new molecules which are more effective and give quicker relief . Incurable diseaes also could be cured by administering some of these molecules. These molecules are called medicines. Some of the examples of medicines are penicillin, tetracycline, sulphadiazine etc. Quinine is a medicine which is extracted from the bark of cinchona plant. It is administered for the treatment of malaria.