The early generations were treating the health issues with the natural remedies. The gradual rise in the pollution of the nature and changing life style brought many uncured into the picture. In the early 1900 vaccines treated the uncured diseases, antibiotics came in 1940s and the emergence of biotechnology happened in early 1980s. The medical world in the 21st century is much advanced than this. Both the effects of pollution and the medicine grew in parallel to each other. The medical world is equipped with number of medicines to hit the challenges of the nature.
How did the world come to know about the right medicine to treat the particular health issue? Clinical trials are the main drivers behind the excellence of the medical field today. The results of the clinical trial assured the better treatment and the medication for the many uncured diseases in the early days.
Clinical trials are conducted on the group of people who gives their consent for the volunteer participation. Investigational study is conducted by experimenting the medicine on the group of people to ensure that the stated result of the drug proves to be effective. The drug undergoes years of research and has to get many approvals from the medical authorities to reach the clinical trial stage after which it undergoes a thorough analysis and get many approvals to enter the market.
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