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Answer:Developing drugs that can kill viruses is hard to creat. This is because, in order to make more copies of itself, the virus infects a cell and hijacks the machinery of the cell. Destroying the virus would also involve destroying the cell within which the virus is. Antivirals are medications that avoid replicating viruses.
Explanation:
Nicotine is a highly addictive substance that is found in tobacco. Chemicals in tobacco are inhaled into the respiratory system when you smoke. This can cause many problems such as lung and throat cancer. Thousands of deaths are recorded in the U.S. related to smoking tobacco.