Possible Clues:

• Dotage
• Weakness of old age
• Aging problem
• Dementia
• Wrinkles up, vanity half gone? It's a hazard of old age
• Mental infirmity of old age
• State of illness due to old age
• Eating nothing? Yes, it is awful, old age
• State of bodily or mental weaknes due to age
• Old age (and its mental problems)