It also works the other way and saves medicine money. I have bad pains in my shoulder but with ME a trip to the doctor is an ordeal so I searched the internet, found the exact description and exercises to help.
Also, a few years ago I developed black lines on my toes. My diabetic nurse examined them, said they were not caused by diabetes. The hospital podiatrist looked at them, said he didn't know what they were, just one of those things. I was more curious than worried so googled it. Turns out it is a problem with melanin (I have vitiligo) which must be monitored as it can turn cancerous. Bob Marley died of it. I keep an eye on them and they have faded - I went through a period when all my autoimmune diseases got worse - but we need the internet because medical people are only human and don't know everything.