1. Factors affecting development
Unit 4

2. Life factors
Genetic
Biological
Environmental
Socio–economic
Lifestyle

3. Genetic factors Cystic fibrosis Down’s syndrome Sickle-cell anaemia
Asthma

4. Biological factors
Pre-natal
Smoking
Alcohol
Drugs
Nutrition
Infection

5. Environmental factors
Water and sanitation
Pollution

6. Socio-economic factors
Family
Housing
Income
Community
Media
Peer groups
Culture and beliefs

7. Social class
Employment status
Gender
Education

8. Lifestyle factors Nutrition Exercise Stress Substance abuse Smoking
Alcohol
Drugs