Ключевые слова: background, black, card, care, chemical, chemistry, color, copy, cure, disease, element, endocrine, endocrinology, health, healthy, help, hormones, ill, illness, iodine, medic, medical, medication, medicine, microelement, mineral, natural, nobody, object, prescription, radiation, radioactive, sick, sickness, sign, space, supplement, symptom, text, therapy, thyroid, top, treatment, view, vitamin, wellness, yellow,