Our cat Luke is exhibiting symptoms that might be diabetes, but even if not, from everything I read, would it hurt to immediately switch to a low carb diet? He is on 32% carbs and it is winter, so not getting the squirrels and birds he normally eats in the summer. His back legs seem to be weaker. Going to vet tomorrow for testing, but is insulin avoidable if diet is addressed first? He is not in an advanced state of anything, but just beginning to exhibit signs of lethargy and rear leg weakness, doesn't leap up like before (although he still jumps onto a four foot shelf but only after thinking about it). He is seven. Drinks lots of water, eats well, poops and pees normally. Is the insulin avoidable if diet is addressed immediately?