Ah, the usual thing. I can feel more focused and with increased alertness by fasting, avoiding sugar and taking plenty of stimulants. Now what does this do to

Ah, the usual thing. I can feel more focused and with increased alertness by fasting, avoiding sugar and taking plenty of stimulants. Now what does this do to the suprarenal glands on the long term? What about TSH? No one cares about that it seems. We feel "good", so it must be good.