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factor - n. something that helps produce or influence a result
editor - n. a person whose job is to edit something
rank - v. to place (someone or something) in a particular position among a group of people or things that are being judged according to quality, ability, size, etc.
contagious - adj. capable of being easily spread to others
Nordic - adj. of or relating to Sweden, Norway, Denmark, and sometimes Finland and Iceland, or to the people who live there
obesity - n. the condition of being fat in a way that is unhealthy
opioid - n. a class of drugs that are recommended to reduce pain
income - n. money that is earned from work, investments, business, etc.
