Not to be fecetious, but did they study caviar or chicken eggs?

Post industrial era, we now have recycled materials. I just wonder if post information era we will have companies in the business of rehashing old ideas.

My mom use to wear (and swear by) magnetic bracelets (https://www.healthline.com/health/pain-relief/do-magnetic-bracelets-help-with-pain). She said they helped her arthritis pain. I tried them on and definitely felt something wierd.