NEET BIOLOGY

Detailed explanation-1: -Any substance that causes cancer is known as a carcinogen. But simply because a substance has been designated as a carcinogen does not mean that the substance will necessarily cause cancer.

Detailed explanation-2: -Simply because a substance has been designated as a carcinogen, however, does not mean that the substance will necessarily cause cancer. Many factors influence whether a person exposed to a carcinogen will develop cancer, including the amount and duration of the exposure and the individual’s genetic background.

Detailed explanation-3: -Carcinogens are substances that can possibly cause cancer due to the damage they cause to DNA inside the cells. DNA tries to repair itself, but it sometimes can’t because of the problems carcinogens have caused. Ultimately, cancer grows.

Detailed explanation-4: -That one that is probably not a carcinogenic substance? Caprolactam. The chemical is a precursor to nylon and “used in stretchy yoga pants and toothbrush bristles, ” notes Reuters. That’s not to say caprolactam is harmless.

Detailed explanation-5: -Risk estimates for lung cancer in the United States indicate that tobacco smoke is responsible for 90% of lung cancers.