Related: if someone has a chronic condition, don't drop on them unsolicited medical advice, especially things like "have you tried yoga?", "you just need more sunshine", "you must try my cousin's healing tea!".
You're not their doctor, and they haven't shared all the medical details with you. Your 3-second diagnosis is almost certainly terrible. They've heard it a dozen times already, and it's difficult and tiring to politely decline well-meaning but frustratingly useless advice.
You're not their doctor, and they haven't shared all the medical details with you. Your 3-second diagnosis is almost certainly terrible. They've heard it a dozen times already, and it's difficult and tiring to politely decline well-meaning but frustratingly useless advice.