Another potentially detrimental health effect related to smoking that has implications for the care of older adults is the potential for altering the effects of medications. Interactions can occur in people who smoke or use nicotine products (including smokeless tobacco) and in people who have recently quit smoking. Interactions can be due directly to the physiologic effects of nicotine or they may be caused by the hydrocarbons in tobacco smoke, which can affect hepatic metabolism of some medications.

Discuss the psychological negative effects of smoking?

When someone smokes, such persons brain changes how it respond to stimulus, due to the very high levels of nicotine, tobacco, or marijuana that is deposited in the brain. These makes the brain to release a chemical called dopamine, which makes one feel happy and excited.

The high level of nicotine accumulated during smoking causes damages to the brain pathways, which will cause the brain to be less efficient in recognizing the body mood, and thereby leading to mood swings and depression. The level of damage on bran pathways makes the negative effect on the brain to vary in individuals. Some people feel sleepy after smoking, while people feel strengthened and awake. Some people became mad after after smoking, while some became more addicted to smoke more. It all depends on the individuals brain order and the level of damage caused to be brain pathways.