A chemotherapy that starves the cancer’s food supply by 25-40% overnight sounds like a success to me.
(Edit: USA Today decided to actively remove the cancer tumors and created an adless site for EU visitors. The results are amazing: load time shrunk from 45s to 3s, network requests from 500+ to only 34! Source: https://twitter.com/fr3ino/status/1000167643431784449?s=21 )