Personal Health

This is the defined as the expected number of years of life remaining at any given age for a group of people.

• Life expectancy

• Age

• Lifespan

A person's … is the number of years he or she actually lives.

• Life expectancy

• Age

• Lifespan

Any destructive process that can affect a living organism. Literally means "not at ease."

• disease

• bacteria

• cancer

... means that the pathogen is transmitted by person-to-person contact.

• direct contact

• indirect contact

direct or indirect contact: touching another person's infected skin

• direct contact

• indirect contact

... means that the infected person's skin or body fluids don't directly touch or enter the other person through human-to-human contact.

• direct contact

• indirect contact

direct or indirect contact: mucus or other body fluids get inside another person's body

• direct

• indirect

direct or indirect contact: someone with a cold rubs his or her nose and then opens a door.

• direct

• indirect

direct or indirect contact: an infected person coughs or sneezes without covering their mouth or nose and droplets of mucus or saliva are breathed in by another person.

• direct

• indirect

... are those that can be passed by contact with pathogens (or germs), or organisms that cause disease.

• infectious disease

• noninfectious disease