Heredity, Disease and Human Evolution (Classic Reprint)

Understanding how disease and heredity shape human health.

This clear, approachable guide explains how diseases arise from changes in organs and tissues, not from some independent life force. It traces the shift from old ideas of disease as a separate entity to modern views that link symptoms directly to structural changes in the body, influenced by the environment and lifestyle.

The text grounds complex concepts in concrete examples—from blood clotting in hemophilia to color vision, night blindness, and nervous system conditions. It also shows how scientists traced these patterns through family histories, revealing how traits pass from one generation to the next and why some conditions skip generations or appear in many relatives. The discussion blends history, anatomy, and heredity to illuminate why the body changes lead to illness, and how doctors think about diagnosing and explaining disease.

• How disease is defined as a depression of organ function due to tissue changes
• Historical shifts from mythical to anatomical explanations of illness
• Examples of hereditary conditions and what they reveal about inheritance
• How environment and biology interact to shape health across generations

Ideal for readers curious about the science of disease, inheritance, and how medical ideas evolved over time.

Heredity, Disease and Human Evolution