Nutrition Zone

The term disease prevention means the suspension or eradication of the specific illnesses and conditions through one or more involvements of established efficiency. As the term is usually applied to human health, its principles apply to plants and animal species too.

Though the boundaries between the three basic levels are not yet thoroughly understood, it is helpful to differentiate the three levels of prevention like primary, secondary and tertiary. Primary prevention means avoiding the diseases before it biologically initiate. For instance, pasteurizing milk basically removes bacterial pathogens that may cause illness and measles vaccination averts clinical illness before it sets-in. also when the old age persons having osteoporosis wear the hip protectors that absorb the shock of fall and are capable of averting the hip fracture.

Secondary prevention means the avoiding the clinical illness by recognizing and treating symptoms earlier of certain diseases and conditions which if left unrecognized or untreated may likely become clinically apparent and dangerous. This is often referred as screening, for instance, routine bacteriological culturing for sexually transmitted organisms in person having symptoms, routine serological testing for preclinical infections like syphilis, screening for hypertension, screening for early breast cancer through mammography etc.

Tertiary prevention means the avoidance of disease from developing and further complications after evident clinical disease are noticed. This is usually doen by the physicians and medical professionals.

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