This interaction relates to a broad family of hormones called catecholamines. There are many examples and they share a common structure.
Notice the common structure of catechol (the carbon ring with two hydroxyl (OH) groups) and an amine (NH2) group.
This group of hormones and neurotransmitters act as ...
Yes, nicotine replacement therapy is used in multiple forms, including a skin patch and oral dosing with gums and lozenges.
The purpose is to help avoid the side effects of nicotine withdrawal, while delivering nicotine at lower doses than is obtained through smoking, to help manage craving and eventually stop smoking entirely.
As far as the delivery ...
Cocaine is a highly addictive substance. What starts off as seemingly harmless experimentation can quickly develop into a potentially life-threatening addiction with devastating personal, professional, financial, and familial consequences.
Common signs of cocaine use include:
Long periods of wakefulness
Loss of appetite