- Age
- Genetics
- Immune System
- Medications
- Nutrition
- Physiology
- Sex
- Vulnerability to Stress

Biological factors that influence health and disease are those that are related to the systems, functioning, and maintenance of the human body.

Biological Factors of Health & Disease

https://en.wikipedia.org/wiki/Biopsychosocial_model

Biopsychosocial model

Brannon, L, Updegraff, J. A., & Feist, J (2018). Health psychology: An introduction to behavior and health. (9th ed.). Cengage Learning.