A friend, not an apple, a day will help keep the doctor away.
D004194:Disease / Q000523:psychology*; D005260:Female; D006801:Humans; D007398:Interpersonal Relations; D008297:Male; D009497:Neurotic Disorders / Q000523:psychology; D011602:Psychophysiologic Disorders / Q000523:psychology; D012934:Social Isolation