Ключевые слова: athlete, background, care, diet, disease, doctor, elderly, exercise, female, fit, fitness, food, girl, hand, health, healthcare, healthy, heart, holding, home, human, iwatch, leisure, lifestyle, medical, mobile, nurse, nursing, nutrition, old, runner, senior, shape, smart, smartwatch, sport, technology, using, watch, wearable, woman, workout, wrist, young,