Ключевые слова: age, aging, arm, arthritis, asian, blood, brown, cane, care, color, creases, elder, finger, fingers, forearm, gout, hand, hands, health, help, joint, joints, life, lifestyle, liver, man, old, osteoarthritis, pain, painful, pigment, pigments, rheumatoid, senile, senile lentigo, senior, skin, solar lentigines, spots, sprain, stick, support, vein, veins, vessel, vessels, walking, wrinkles,