BY Team Aakash Byju's

Human Health and Disease: Important Topics for CBSE Class 12 Biology

Today, we will see what topics are important in the chapter ‘Human health and disease’ of Biology CBSE Class 12.

The first and most important thing is to learn the definitions of ‘health’ and ‘disease’. Then learn the types of disease and their causes.

Learn what are the diseases caused by bacteria, viruses, fungi, worms and protozoa along with their symptoms and mode of transformation.

 The next important thing is to learn how we can prevent the spreading or transformation of these diseases.

Study about Immunity and learn what are innate immunity and acquired immunity. Also, glance through active and passive immunity.

 You must know these topics Vaccination and Immunization, Allergies, Autoimmunity and Immune System in the Body.

Under the topic AIDS, learn the causative agent of AIDS, the transmission of HIV infection, its effects on the body, detection & treatment and its prevention.

The next big topic in diseases is ‘Cancer’. Causes of cancers and detection and various methods of cancer treatments are some major concepts in the chapter you must study.

Do not miss out studying about drug/alcohol abuse and its effects, smoking and addiction & dependence.

Lastly, learn some common warning signs of drug/alcohol abuse, prevention and control.

Share these important topics in ‘Human health and disease’ with your friends and help them.