fb ads

About 2 months ago I noticed about 60% of my typical placements for the fibromyalgia (and other health conditions) niche on Fb Ads just totally vanished. Like over 1/2 of the Fb groups I would normally target in my ad campaigns were gone and I got a little note from Fb saying that many were not available to target anymore.
Am I the only one experiencing this? There must be other marketers out there trying to find a workaround to this. It's pretty much dropped my ROI to almost negative as it seems my best placements are now gone. F***ing A...

So...What would Jesus do