in

Tobacco Plants and Drug Development

Tobacco Plant

The tobacco plant is one of the most popular plants used in cigarettes. It is grown worldwide for its leaves, which are used to make cigarettes.

The leaves contain nicotine, which is the main ingredient in cigarettes. Other ingredients include water, starch, sugars and other substances. These ingredients are mixed together to create cigarettes.

In the United States, tobacco is grown primarily in the Southeast and Southwest regions of the country. The leaves from these areas have been used for smoking since ancient times.

Native Americans were the first people to grow and harvest tobacco. They dried the leaves and used them to make ritual offerings.

The Spanish were the first Europeans to encounter tobacco. When they arrived in the New World, they were introduced to a number of new practices, including smoking.

The Spanish didn’t take to it right away, but the practice soon spread to Europe.

Tobacco became so popular that it was soon cultivated in every European colony. Even Queen Elisabeth of England grew it in her own private garden.

Tobacco Plants and Drug Development - - MedicalsNews.com

Today about 1 billion people worldwide are smokers. Of these, more than 360 million are considered regular, or daily, smokers.

When U.S.

physicians began warning about the dangers of smoking in the mid-1900s, smoking rates went down. As a result, tobacco products were put under a number of regulations. Today, it is illegal to sell cigarettes to people under the age of 18 in the United States. It is also illegal to smoke in public places. Despite these challenges, the tobacco industry remains strong and continues to appeal to new smokers.

Drugs Made From Tobacco Plant

Tobacco plants are the source for a number of drugs that are used for various medical purposes. Perhaps the most important medicine made from tobacco is nicotine.

Nicotine is used to help people stop smoking by relieving the symptoms of withdrawal.

Tobacco Plants and Drug Development - at Medical News

Other drugs from the tobacco plant include:

Drugs Similar to Nicotine

Nicotine is not the only substance in tobacco that has drug-like effects. Other drugs that act on the brain in a similar way are also present in tobacco and some of these are potentially even more addictive than nicotine.

The main one is called nornicotine. Other similar ones are anabaseine, anatabine, cytisine, myosmine and anabasine.

Nornicotine is similar to nicotine but is much less harmful. It is found in higher concentrations in cigar and cigarette smoke than nicotine, but in much lower concentrations in smokeless tobacco.

It is also present, in small amounts, in the tobacco plant.

Nornicotine acts in a similar way to nicotine but is not as addictive and does not cause cancer. However, it is potentially more harmful than nicotine as it can increase your heart rate and blood pressure.

It is not known why some people react more than others to certain drugs, be they illegal or prescription, but it is thought that genetic differences could be responsible for how your body reacts.

Tobacco Plants and Drug Development - - MedicalsNews.com

There is some debate as to whether or not tobacco companies add nornicotine to their products. Since it is present in very small amounts, it probably isn’t added deliberately.

Rather, it may be a by-product of the methods used to cure the tobacco plant.

Another reason that some people believe that nornicotine is sometimes added deliberately is that its effects seem to contradict the reasons why people take up smoking in the first place.

Smokers take up the habit for the effect of nicotine on the brain. This is what makes them feel “high” and want to continue to smoke.

However, nornicotine has the opposite effect. It is believed to be mildly anxiety-producing and may even have a slight depressive effect. If this is the case, it would seem to contradict companies’ reasons for adding it to cigarettes.

However, there are several possible motivations for adding nornicotine to cigarettes. One of these is that low-tar cigarettes, which are known for having lower levels of tar, also have increased levels of nornicotine.

Tobacco Plants and Drug Development - at MedicalsNews.com

It may be that companies are adding nornicotine to their low-tar cigarettes in order to increase their addictiveness, since people may smoke more to compensate for the lower “hit” they get from these cigarettes.

Another reason that nornicotine may be added to cigarettes is that it has a local anaesthetic effect. This means it is able to numb sensations in the mouth.

This may explain why chewing tobacco, which is often very high in nornicotine, can numb the inside of the mouth. It is thought that by increasing the levels of nornicotine, the harshness and irritation from the smoke is decreased.

One final theory is that nornicotine acts as an insecticide. This means that it kills insects and may kill off bugs that feed on the tobacco plants.

Cancer

Cancer is an abnormal growth of cells. This growth can invade and damage surrounding tissues as well as spread to other parts of the body.

Different types of cancer either grow slowly or quickly, and can sometimes remain dormant for many years.

Cancer is the result of uncontrolled growth of cells in the body. These cells, known as malignant, divide and grow without stopping and spread to other parts of the body.

To grow and divide, all living things need instructions contained in their DNA. But sometimes something goes wrong: the DNA becomes damaged, and this damage is then copied when new cells divide.

Tobacco Plants and Drug Development - | Medical News

These new cells also have the damage inside them, so they too will become abnormal, and this usually results in a cancerous growth.

Along with genes you inherit from your parents, you also inherit many predispositions for certain diseases and conditions. You may never actually develop these conditions, but you are more susceptible to them and they may crop up later in life.

One of these conditions is an increased risk of cancer.

Some of the causes of cancer are obvious. Most people know that smoking, drinking, and other reckless lifestyles can contribute to the likelihood of getting cancer.

However, there are many less obvious causes, and one of these is tar.

Tar is a by-product of the cigarette-making process. It is known to contribute very directly to the yellowed, age-old teeth of smokers as well as being the main reason that cigarettes are known for their distinct smell.

Tobacco Plants and Drug Development - at Medical News

However, the tar that is inhaled and accumulated in the body from cigarette smoke can also lead to lung cancer and tumors in the lungs.

Recent studies also show a certain type of tar, called nornicotine, in cigarettes. This additive has been shown to increase people’s risk of cancer and tumors.

It would seem that even after quitting, a great many dangers still persist in the body from smoking. Just one more reason never to start…

Sources & references used in this article:

Hepatitis B Prognosis

Relapsing-Remitting Multiple Sclerosis (RRMS)