Human Biology: Concepts and Current Issues - With Access (Custom)
Human Biology: Concepts and Current Issues - With Access (Custom)
15th Edition
ISBN: 9781323045237
Author: Johnson
Publisher: PEARSON
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Chapter 18, Problem 5TY
Summary Introduction

Introduction:

There are various factors that affect the formation of cancerous cells in the body. The cancer cells can even develop due to the presence of certain viruses and bacteria but their percentage is less as compared to the other factors. The toxic chemical in the environment directly affects the DNA (deoxyribonucleic acid). These toxic chemicals are coal tar, benzene, asbestos, pesticides, and certain dyes. The other factors include tobacco, alcohol, and radiations. Diet and obesity cause around 30% of the cancers. Also, there are various internal factors that contribute to the cause of cancer.

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