Nowadays using nicotine and tobacco is a normal thing and each day people spend millions of dollars to buy tobacco. This problem is also a growing problem for youth and teenagers. More than 85% of Americans confirm that they used to smoke when they were under 21.

But tobacco history is beyond some teenagers smoking it after school. Tobacco leaves were discovered and planted in America 6000 B.C and since then people are smoking or chewing the leaves of this plant.

Tobacco was a subject of controversies since then. Some people believed that this plant has medical benefits and even they used it to cure the Bubonic plague. In the early 17th century some people suggested that this plant might cause cancer and some other problems. But even since then tobacco leaves are used to disinfect external wounds of humans or animals. Also, tobacco is good for eliminating animal parasites.

Tobacco can be used by smoking, Sniffing, and Chewing. Products that are produced using tobacco and can be smoked includes cigars, cigarettes, bidis, and kreteks. Also, people can smoke loose tobacco using pipe or hookah.

Although there are thousands of chemicals in tobacco what causes people to smoke this product and enjoy it, is nicotine. About 5 percent of the weight of the whole plant is nicotine which is a natural fluid alkaloid. Alkaloid is a substance that is produced using carbon, hydrogen, nitrogen, and sometimes oxygen and can have strong effects on the human body. A cup of tea or coffee that you drink every morning contains other types of alkaloid named Caffeine.

Cigarettes usually contain 10 to 12 mg of nicotine and depending on the brand it can be even 20mg of nicotine in a single cigarette.  Each time you use a cigarette and insert its smoke into your lungs about 1 or 2mg of nicotine inserts in your body

The first time you smoke tobacco, containing nicotine causes your body to release epinephrine. This chemical activates the Sympathetic nervous system. This means that numbers of breaths in a minute increases but the duration of them decreases and as a result less air inserts into our lungs.

Nicotine can lead to Insulin resistance, insulin allergy, development of metabolic syndrome, type 2 diabetes, and Cardiovascular disease. This substance that is in tobacco can have influences on Thyroid, Pituitary, Sexual and adrenal hormones. Nicotine Stimulates the body to produce high levels of adrenal androgen which in simple terms causes disorder in Glucose which is the body’s main sugar.

This condition eventually leads to high blood sugar and together with insulin resistance causes type 2 diabetes and can have the dangers of Cardiovascular diseases.

Smoking tobacco and nicotine also have effects on the brain. After smoking this substance and stimulating and irregular stopping of inserting nicotine in the blood, the body starts to release Acetylcholine which causes more activity in the Cholinergic pathway of the brain.

Increasing the activity of cholinergic pathways stimulates the body and brain and the human feels more energetic. Stimulating cholinergic neurons also increases the received dopamine in the limbic system and in turn the reward section of the brain activates and you feel happy. When substances like cocaine or nicotine activate the reward section of the brain, you temporarily feel happy and after the collapse of this feeling, the body shows the need for the same substance again.