stress – n. feelings or worry or nervousness caused by difficult situations or problems

anecdote – n. a short story that you tell someone about something that happened to you or someone else

follicle – n. any of the very small holes in the skin that a hair grows from

immune – adj. relating to the way the body fights disease

hormone – n. one of several chemicals produced in the body that influence growth and development

gland – n. an organ of the body that produces chemicals

pigment – n. a substance that gives something color

regenerate – v. to grow again or make something grow again
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