Class 12 · Biology · Chapter 7
Human Health and Disease
Human Health and Disease looks at what keeps us well and what makes us ill. It covers the common infectious diseases of humans and the pathogens behind them (from typhoid and pneumonia to malaria, amoebiasis, filariasis and ringworm), the body's defences through innate and acquired immunity, vaccination, allergies and autoimmunity, and then three major health challenges — AIDS, cancer, and drug and alcohol abuse. Total: 17 sections including dedicated Solved Examples, Board and NEET practice, and a Summary.
Topics in this chapter
- 1
Health & Disease — What Being Healthy Means
25 min read · Quiz included
- 2
Common Bacterial & Viral Diseases
30 min read · Quiz included
- 3
Malaria & the Life Cycle of Plasmodium
30 min read · Quiz included
- 4
Other Common Diseases — Amoebiasis, Ascariasis, Filariasis & Ringworm
30 min read · Quiz included
- 5
Immunity — Innate Immunity & Its Barriers
25 min read · Quiz included
- 6
Acquired Immunity — Humoral & Cell-Mediated
30 min read · Quiz included
- 7
Active vs Passive Immunity, Vaccination & Immunisation
25 min read · Quiz included
- 8
Allergies, Autoimmunity & the Lymphoid Organs
30 min read · Quiz included
- 9
AIDS — HIV, Transmission, Replication & Diagnosis
30 min read · Quiz included
- 10
Cancer — Tumours, Causes, Detection & Treatment
30 min read · Quiz included
- 11
Drugs & Alcohol Abuse — Opioids, Cannabinoids & Coca Alkaloids
30 min read · Quiz included
- 12
Adolescence, Addiction & Dependence
25 min read · Quiz included
- 13
Effects of Abuse, Tobacco & Prevention
30 min read · Quiz included
- 14
Solved Examples
50 min read
- 15
Board Previous Year Questions
55 min read
- 16
NEET-Pattern Practice Questions
25 min read · Quiz included
- 17
Summary & Exam Tips
15 min read