DiseasesInfectious and Lifestyle

Types of diseaseInfectious disease- disease that are

caused by living organisms; they can be passed from person to person.

Lifestyle Disease- Diseases that are made likely by neglect of the body

Types of Infectious Diseases

Bacterial- single celled organisms that can cause disease. Like warm, dark, moist, and nutrient rich areas. (ex. Tetanus, Lyme disease)

Virus- Genetic material that invade cells and multiply. (cold, flu)

DefinitionsPathogen- what cause the disease.Host- the infected person

How they spread A pathogen must be present in a host The pathogen will leave the host

through water, air, or direct contact. It is passed to a new host who will

either be able to fight it off or will be infected.

The cycle will then continue.

Protecting yourself against Disease

Body’s Natural DefensesSkinBody’s membranesImmune systemDeveloping immunityMedication

How to Avoid diseaseVaccinationsAirborne- cover your mouth, wash your

hands, etcFood-borne illness- Keep hot food hot

(+140), keep cold food cold(-40). Keep the kitchen clean.

Examples of Lifestyle Diseases

DiabetesType 1Type 2

CVD Cancer Stroke Heart Attack

Causes of Lifestyle disease

ChoiceHeredityEnvironment