Sometimes consuming Hugh amounts of sugar also helps me stay awake and be more focused.
In: Biology
The brain is a higher energy requiring organ so it needs sugar to operate and that need drives a craving.
Like your 5?
Imagine your body is a superhero. When you feel worried or scared, your superhero body thinks it needs extra power to fight or run fast. Sugar is like a quick power-up for your superhero body. So, when you’re stressed, your body says, “I need a power-up! Let’s have some sugar!”
A more serious answer:
Long tests or extraneous mental activities just suck. You use sugar. I use nicotine. At the end of the day we ingest a chemical to make the shitty task slightly less shitty.
what do you mean “WE”? bitch leave me outta your unhealthy eating habits
The brain relies almost exclusively on glucose for energy. It can use ketones to a limited extent, but it can’t break down anything complex. (If it did, it would either poison or digest itself.)
Here’s a [more complete answer](https://biology.stackexchange.com/questions/34159/why-is-the-brain-dependent-on-glucose) from Stack Exchange.
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