research on the short-term and long-term effects that tobacco products have on teenagers and adults, along with the impact smoking and tobacco

research on the short-term and long-term effects that tobacco products have on teenagers and adults, along with the impact smoking and tobacco related products have on the healthcare system and address the following :

• Do you think more states and cities should adopt laws and policies to raise the minimum age to purchase tobacco products from 18 years of age to 21? 
• Do these laws infringe on civil liberties and individual personal freedom? 
• What else could be done to help prevent teenagers and adults from smoking?