Cigarettes release thousands of dangerous chemicals when they burn. Roll-up tobacco cigarettes are not any safer. They contain the same cancer-causing chemicals as manufactured cigarettes. Tar is a sticky-brown substance that collects in the lungs when you breath in cigarette smoke. It can stain fingers and teeth a yellow-brown colour. Tar contains cancer-causing chemicals.
But it can cause more than just lung cancer. It also increases the risk of other lung diseases. This includes emphysema and chronic obstructive pulmonary disease COPD. Cigarette smoke contains a poisonous gas called carbon monoxide. Carbon monoxide stops your blood from carrying as much oxygen.
This increases your risk of heart disease and stroke. Nicotine is a very addictive drug. Some people associate smoking with feeling less stressed and anxious. But this is only because it reduces the unpleasant symptoms of nicotine withdrawal for a short time. But nicotine is harmless compared to other substances in tobacco smoke. And studies have shown that nicotine replacement therapy NRT doesn't cause cancer. NRT helps people deal with cravings when they are trying to cut down or stop smoking.
It comes in many forms including patches, lozenges or gum. Find out more on our how do I stop smoking page. Up to 70 of the chemicals found in tobacco smoke cause cancer. Many of these cancer-causing chemicals in tobacco smoke have other surprising uses.
Surgeon General, there is no risk-free level of exposure to secondhand smoke. There is no time like the present start on your journey to a smoke-free life. You'll be rewarded with benefits beyond what you can probably imagine and they'll start to occur faster than you think.
The improvements in your mental and physical health will continue to grow. It is never too late to quit smoking. So you're ready to finally quit smoking? Our free guide can help you get on the right track. Sign up and get yours today. Centers for Disease Control and Prevention.
National Cancer Institute. Updated December 19, Toxicity, mechanism and health effects of some heavy metals. Interdiscip Toxicol. Environ Health Perspect. Your Privacy Rights. To change or withdraw your consent choices for VerywellMind. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page. These choices will be signaled globally to our partners and will not affect browsing data.
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