Ключевые слова: anxiety, anxious, background, brain, concentration, concept, decline, depressed, depression, disorder, emotion, emotional, exhaustion, fatigue, fear, feeling, head, health, illness, mental, mind, negative, paper, person, problem, psychiatry, psychology, reduced, rumpled, sense, silhouette, slow, sorrow, stress, stressed, thinking, thought, tired, trouble, waste, weariness, worried,