It does slow. It just... slows along with the rest of your body.
The problem with all of these pseudoscience leaps at ketogenic treatments for cancer is that they see an obvious fact - that cancer hijacks your metabolic system to fuel its own growth - and believe the solution is to kneecap that system, without also taking into account that you still need that system to keep your own organs functioning.
Without a way of controlling the metabolic system on the level of fantasy nano machines, you can only starve it to death only by starving yourself to death.
The problem with all of these pseudoscience leaps at ketogenic treatments for cancer is that they see an obvious fact - that cancer hijacks your metabolic system to fuel its own growth - and believe the solution is to kneecap that system, without also taking into account that you still need that system to keep your own organs functioning.
Without a way of controlling the metabolic system on the level of fantasy nano machines, you can only starve it to death only by starving yourself to death.