Genetics-General appearance and other characteristics, we Inherit our anatomy and physiology, metabolism, and immunesystem from our extended family.Availability of health care-Family Dynamics-A calm, loving home protects us from many stresses and meets our love/belonging and safety/security hierarchical needs.culture-The food we eat, our reproductive philosophies, and how we care for our illnesses are all largely cultural and have an enormous impact on health.Environment-Exposure of polluted air, water, soil, or foods stresses even the strongest immune system.