Those are being tested, not proven treatments for those diseases.
A few people have been cured of HIV from bone marrow transplants but it has to be a super specific set of circumstances like their blood type has to be a certain type and things like that.
Was lucky enough to get a VHS copy of Lupin the Third and the Castle of Cagliostro when I was like 7 or 8. Man I must have watched that tape over 100 times easily.