Slack = various sorts of resources, including immune resources.
Crud = inter- and intra-cellular unwanted buildup of proteins, failing cells, non-reversible damage, yadda yadda. It all gets torn up and coincidentally cleaned up by the body's panic for materiel.
If that's the case, intermittent fasting seems like it should produce similar effects to CR. I wait with bated breath for the experiment that does intermittent CR on mice. :)
Slack = various sorts of resources, including immune resources.
Crud = inter- and intra-cellular unwanted buildup of proteins, failing cells, non-reversible damage, yadda yadda. It all gets torn up and coincidentally cleaned up by the body's panic for materiel.