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fitness – n. the act of being healthy through exercise
client – n. a person who pays a professional person or organization for services
calorie – n. a unit of heat used to indicate the amount of energy that foods will produce in the human body
obesity – n. very fat
lifestyle – n. a particular way of living
illness – n. a specific condition that prevents your body or mind from working normally
jump on the bandwagon – expression. to join an activity that has become very popular so you can share in its success
