Experiencing withdrawal symptoms when attempting to stop smoking: When attempting to stop smoking, one may experience physical and emotional withdrawal symptoms such as anxiety, irritability, strong mood swings, intense cravings, restlessness, difficulty concentrating, depressed mood, frustration, diarrhea, constipation, increased appetite, or insomnia
There is a whole host of pills, vitamins, oils and more that are branded as cure-alls for lung damage caused by smoking and claim to reverse years of smoke damage
doi:10.1136/tc.11.4.336
However, enforcement remains a challenge
The invention of machinery for the mass production of goods and the harnessing of atomic energy are other examples that come to mind
What is the Link Between Tobacco Addiction and Mental Health