20-25, 20-30, 20's, 20s, 25-30, 30-35, 30-40, 30's, 30s, 35-40, 40-45, 40-50, 40's, 40s, 45-50, 50-55, 50-60, 55-60, adult, african, african american, african-american, afro american, afro-american, associate, chatting, colleague, color, colour, communicating, communication, concentrating, concentration, control, conversation, conversing, daylight, daytime, dialog, dialogue, discussing, doc, equipment, expert, fellow, female, fifties, fifty, focussing, forties, forty, gal, general practitioner, gentleman, group, guy, head & shoulders, health, health-care, healthcare professional, healthcare worker, hearing, human, human being, indian, indoor, information, inside, instruction, intelligence, invalid, lady, listener, male, md, medic, medical care, medical equipment, medical science, mid life, middle age, middle aged, middle eastern, middle-age, middle-aged, of african descent, person, physician, power, pupil, responsible, scrutinizing, speaking, studying, talker, teaching, thirties, thirty, together, toiling, tutoring, twenties, twenty, waist-up, western european, white coat, wisdom, women, work,
