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antibiotic - n. a drug that is used to kill harmful bacteria and to cure infection
anxiety - n. fear or nervousness about what might happen
dramatic - adj. sudden and extreme
factor - n. something that helps produce or influence a result
fungi - n. any one of a group of living things (such as molds, mushrooms, or yeasts) that often look like plants but have no flowers and that live on dead or decaying things
obese - adj. fat in a way that is unhealthy
journal - n. a magazine that reports on things of special interest to a particular group of people
metabolism - n. the chemical processes by which a plant or an animal uses food, water, etc., to grow and heal and to make energy
multiple - adj. more than on
