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Infectious Diseases v.s Non-infectious diseases. Infectious Diseases. Also known as contagious Can be passed from person to person Caused by bacteria, virus, or other pathogen (something that causes disease) Examples: Influenza (flu) Pneumonia Ring Worm. Modes of Transmission .
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Infectious Diseases • Also known as contagious • Can be passed from person to person • Caused by bacteria, virus, or other pathogen (something that causes disease) • Examples: • Influenza (flu) • Pneumonia • Ring Worm
Modes of Transmission • Person to Person Transfer • Contaminated Objects • Animal Bites • Pathogens from the Environment
Your Body’s Barriers • The Skin • The Breathing Passages • The Mouth and Stomach
Non-infectious Diseases • Not caused by bacteria, virus, or pathogen • Cannot be passed from person to person • Not contagious • Examples: • Diabetes • Cancers • Asthma • Heart diseases
Non-infectious diseases • Inherited from genes or environment • Genetic inheritance • Errors in genetic information (mutations) • Genetic disorder • Environmental impact • Sunlight (radiation) • Food (ex. poor diet) • Pollution (toxic chemicals) • Lifestyle (ex. smoking, lack of exercise)