[John7878781]

In some contexts (e.g., pancreas), 15-PGDH inhibition can promote tumor growth by increasing specific signaling.

[fcpk]

Yeah, a lot of healing mechanisms are also behind many tumor/cancer factors. There's a lot of reasons behind aging phenomenons, and a lot are self protective. It's not given all of the aging is intended and can't be reversed, but a lot of it is there for biological reasons.