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spread by food, water, environment, animals
any disease caused by an agent that has invaded the body
a condition in which bacteria can no longer be killed by a particular antibiotic
substance prepared from weakened or killed pathogens introduced into a body to produce immunity
a loss of consciousness that happens when there is too much blood sugar and a buildup of toxic substances in the blood
disease characterized by the buildup of fatty materials on the inside walls of the arteries
a chemical substance made and released in one part of the body that causes a change in another part of the body
the sense of uncertainty about one's identity and values that some people experience in the middle of their lives
many physical, emotional, and mental changes
choose to marry, have kids
disease in which a person gradually loses mental capacities and the ability to carry out daily activities
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