Smokers find it very hard to quit because they are hooked on the nicotine. Nicotine is an extremely fast-acting drug. It reaches the brain within 15 seconds of being inhaled. If cigarettes and other tobacco products had no nicotine, the number of people who smoke every day would drop ...
(Reuters Health) – Many people in a recent study said they’d tried to find out what chemicals are in tobacco products or smoke, but most were not familiar with components other than nicotine. Surveyed by phone, more than half the respondents said they’d like to see this information on ...
这是一篇说明文,根据全文,特别是文章第一段“Even when cigarette ends go out and are cold, new research has found they continue to give off harmful chemicals in the air. ”概括了主题,即研究发现吸完的烟蒂会释放有害化学物质。所以“Used Cigarette Ends Release Harmful Chemicals(吸完的烟头会释放有...
There are more than4,000 chemicalsin cigarette smoke. Some of them are also in wood varnish, the insect poison DDT, arsenic, nail polish remover, and rat poison. The ashes, tar, gases, and other poisons in cigarettes will harm your body over time. They also make it harder for you to ...
But that doesn't mean they are completely harmless. The vapour in e-cigarettes is produced from heating nicotine with water and propylene glycol or glycerol, which are chemicals often used to produce smoke effects for the …British Medical Journal Publishing GroupBMJ...
However, in the end, human rubbish may only bring more harm to birds. The toxic (有毒的) chemicals in cigarettes hurt the baby birds. They may get sick or have shorter lives, according to a study. To make matters worse, if the cigarette still burns when the bird brings it back to ...
Many chemicals in cigarettes are known to cause cancer, including formaldehyde, arsenic, and benzene. These chemicals can cause cancer in two ways. First, they can weaken your immune system, making your body less able to kill cancer cells.10 These chemicals can also change a cell's DNA, ...
Nicotine and other chemicals in cigarettes and cigars can make your symptoms worse. They can also cause infections such as bronchitis or pneumonia. Ask your healthcare provider for information if you currently smoke and need help to quit. E-cigarettes or smokeless tobacco still contain nicotine. ...
Nicotine and other chemicals in cigarettes and cigars can raise your cholesterol levels. Ask your healthcare provider for information if you currently smoke and need help to quit. E-cigarettes or smokeless tobacco still contain nicotine. Talk to your healthcare provider before you use these products...
Aerosol from e-cigarettes can also include cancer-causing chemicals, and diacetyl, a chemical used in some e-cigarette flavorings, has been linked with serious lung disease. Some people (most commonly youths or young adults) have experienced seizures while using e-cigarettes. Children and adults ...