There’s a python application for managing the meta data better than lidarr called beets
. You need to be familiar with a terminal, but it has a ton of plugins and options. If you want a GUI, try MusicBrainz Picard, but it’s old and not great on really big libraries. For playlist suggestions, plexamp can do that, but only for music you already have.
COVID research made generic sequencing for viruses and bacteria incredibly cheap. You can run a PCR test for most things now for $10 (USD) or less. This opens a whole world of highly specific diagnostics and cheap, hyper-personalized treatments.
Also, MRNA vaccines are being tested for several other diseases and it seems very promising.