Question

Why smoking causes cancer?

Answer 1

Cigarette is made up of full of cancer causing substances . Due to smoking of cigarette our lung tissues get damaged. The persons who are inhaling the smoke may also get cancer. it an harmful substance which can damage the human life and even cause death.....

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Answer 2

cigratee has contains 4000 chemicals including 43 known as cancer causing chemical carcinogenic . these contains carbon ,nicotine etc.these nicotine is highly addictive. so it cause the cancer