this post was submitted on 20 Oct 2026
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Showerthoughts
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A "Showerthought" is a simple term used to describe the thoughts that pop into your head while you're doing everyday things like taking a shower, driving, or just daydreaming. The most popular seem to be lighthearted clever little truths, hidden in daily life.
Here are some examples to inspire your own showerthoughts:
- Both “200” and “160” are 2 minutes in microwave math
- When you’re a kid, you don’t realize you’re also watching your mom and dad grow up.
- More dreams have been destroyed by alarm clocks than anything else
Rules
- All posts must be showerthoughts
- The entire showerthought must be in the title
- No politics
- If your topic is in a grey area, please phrase it to emphasize the fascinating aspects, not the dramatic aspects. You can do this by avoiding overly politicized terms such as "capitalism" and "communism". If you must make comparisons, you can say something is different without saying something is better/worse.
- A good place for politics is c/politicaldiscussion
- Posts must be original/unique
- Adhere to Lemmy's Code of Conduct and the TOS
If you made it this far, showerthoughts is accepting new mods. This community is generally tame so its not a lot of work, but having a few more mods would help reports get addressed a little sooner.
Whats it like to be a mod? Reports just show up as messages in your Lemmy inbox, and if a different mod has already addressed the report, the message goes away and you never worry about it.
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It actually can run mostly on fat, it's just that most people are eating massive constant streams of glucose all the time
At birth, and during breastfeeding, human brains are running on fat
No it cannot run on fat.
Fat can be broken down into glucose, though. It still takes a conversion or several to get to glucose from fat.
Strong statement. The brain can run on ketones just fine, it's constantly titrating energy consumption from different sources. You might say the brain uses glucose first as a priority, but that is also true for alcohol.
Not really a complete statement, gluconeogenesis requires more inputs then just fat, so of the glucose produced only 15% of the energy is coming from fat.
There is a 1972 paper that demonstrates normal functioning after prolonged fat adaptation, it's a great read, but this specifically speaks to brain glucose utilization - https://doi.org/10.1172/JCI107095
Note how I said it can be converted to glucose. Note how all you did was describe how it can be converted to glucose. Nowhere did I say that process took nothing. Nowhere did I say it needs only glucose.
Just like your car doesn't only need gas to function, and can technically 'run' on other things like pure alcohol.