Earlier quoted context omitted.
So you discovered you were lactose intolerant after 30 years, and throughout those years, you've presumably been drinking milk. Don't you think you would've been just as fine growing old without knowing you couldn't break down lactose?
Heh - you clearly _aren't_ lactose intolerant. Through the simple (and relatively inexpensive) act of popping a lactase tablet before anything with milk, my life got a _whole_ lot better. It's embarrassing how much better things are. When I first got the results, I was like "Woah - 23andMe is broken - _I'm_ not Lactose intolerant" - that's what happens when you live with something your entire life - you baseline off…
I'd say it's more likely that you aren't experiencing a placebo effect, but it never hurts to be sure.