This class 4 Environmental agents that matter to health and health care Health impact of the environment Mechanism of health impact of environment 4 Transmission of environmental agents Setting of environmental health risks Environmental health specifics
This class Environmental agents that matter to health and health care Health impact of the environment Mechanism of health impact of environment Transmission of environmental agents Setting of environmental health risks Environmental health specifics
D Routes of environmental hazards ◆ Routes of entry: Skin Lungs: Lung is esp. sensitive to airborne microbes, smoke, chemical aerosols fumes, dusts, and allergens Gastrointestinal tract
Routes of entry: – Skin – Lungs: Lung is esp. sensitive to airborne microbes, smoke, chemical aerosols, fumes, dusts, and allergens – Gastrointestinal tract Routes of environmental hazards
i Health effect of environment Exposure(dose) health effect vulnerability
Health effect of environment Exposure (dose) health effect vulnerability
Factors affecting susceptibility Fitness mental and physical fitness may be protective ge the young and the old age more vulnerable to the effect Nutrition e.g. poor nutrition weakens a Sex male and female react persons ability to fight differently to some chemicals infection and exacerbates For example dioxin accumulates the spread of diarrheal in fat and is therefore more of a disease. Over-nutrition hazard to female than male contributes to heart disease immobility, diabetes and Disease those with some cancers preexisting disease and the immunocompromised are Lifestyle includes especially susceptible personal preferences such as smoking. alcohol and drug misuse; occupation, Genes e.g. genetic deprivation and residence predisposition to cancer
Genes e.g. genetic predisposition to cancer Age the young and the old age more vulnerable to the effect Sex male and female react differently to some chemicals. For example dioxin accumulates in fat and is therefore more of a hazard to female than male. Nutrition e.g. poor nutrition weakens a persons ability to fight infection and exacerbates the spread of diarrheal disease. Over-nutrition contributes to heart disease, immobility, diabetes and some cancers. Disease those with preexisting disease and the immunocompromised are Lifestyle especially susceptible. includes personal preferences such as smoking, alcohol and drug misuse; occupation, deprivation and residence. Fitness mental and physical fitness may be protective Factors affecting susceptibility