Yeah I was about to comment that if people do that they will get butt problems. Human digestion is gravity based, so you have to wait a few hours after a big meal to go to sleep or you’ll have partially digested food in you, irritable bowels, and leaky butthole for starters. As the problem progresses it will cause hemorrhoids and bloody stool.
Space nutrition and the biochemical changes caused in Astronauts Health due to space flight: A review
Angel Dakkumadugula, Lakshaa Pankaj, Ali S Alqahtani, Riaz Ullah, Sezai Ercisli, Rajadurai Murugan
Digestion and absorption are disturbed due to microgravity primarily because the absence of gravity alters the normal functioning of the gastrointestinal system. In microgravity, the absence of gravitational forces significantly impacts the motility of the gastrointestinal tract. Peristaltic movements, which help propel food through the digestive system, are diminished or altered. This can result in slower transit times and inefficient movement of food through the digestive tract, leading to digestive disturbances (Yang et al., 2020).
In microgravity, fluids in the body shift towards the upper body, causing fluid volume changes and redistribution. This can result in a decrease in blood volume and an increase in fluid accumulation in the head, leading to a condition known as “puffy face syndrome.” The altered fluid dynamics can affect the function of the digestive system. Microgravity can disrupt the normal functioning of the stomach, leading to gastrointestinal discomfort and gastric upset.
The gut microbiome, the community of microorganisms in the gastrointestinal tract, plays a crucial role in digestion and nutrient absorption. Microgravity can lead to changes in the composition and diversity of the gut microbiome, which can impact the breakdown and absorption of nutrients. These alterations may also contribute to gastrointestinal issues and nutrient deficiencies. Due to the effects of microgravity on digestion and absorption, astronauts may have altered nutritional requirements. Nutritional supplements and meal plans are designed to meet the unique needs of astronauts during space missions (Yang et al., 2020, Amidon et al., 1991).
Amidon G.L., Gary A., DeBrincat N.N. Effects of gravity on gastric emptying, intestinal transit, and drug absorption. Journal of Clinical Pharmacology. 1991;31:968–973. doi: 10.1002/j.1552-4604.1991.tb03658.x.
Yang J.-Q., et al. The effects of microgravity on the digestive system and the new insights it brings to the life sciences. Life Sciences and Space Research. 2020;27:74–82. doi: 10.1016/j.lssr.2020.07.009.
You said it wasn’t gravity based, cited space travel, I provided evidence directly contradicting you and you said “yes thats all true, but [paragraph] [paragraph]”
Yeah I was about to comment that if people do that they will get butt problems. Human digestion is gravity based, so you have to wait a few hours after a big meal to go to sleep or you’ll have partially digested food in you, irritable bowels, and leaky butthole for starters. As the problem progresses it will cause hemorrhoids and bloody stool.
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Space nutrition and the biochemical changes caused in Astronauts Health due to space flight: A review Angel Dakkumadugula, Lakshaa Pankaj, Ali S Alqahtani, Riaz Ullah, Sezai Ercisli, Rajadurai Murugan
PMCID: PMC10740090 PMID: 38144801
Food Chem X. 2023 Sep 15;20:100875. doi: 10.1016/j.fochx.2023.100875
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I’m glad you reversed your stance after being presented the facts, thank you for being reasonable.
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You said it wasn’t gravity based, cited space travel, I provided evidence directly contradicting you and you said “yes thats all true, but [paragraph] [paragraph]”