Answering Common Questions About Digestion: Insights from a Gastroenterologist

Summary

In this article, we will explore some common questions about digestion that were answered by Dr. Ugori Rok, a gastroenterologist, during a Twitter Q&A session. We will discuss the length of the small and large intestine, the gastrocolic reflex, lactose intolerance, the color of poop, incontinence, food poisoning, the role of gastroenterologists, the microbiome, and fecal microbiota transplant.

Table of Contents

  • The Length of the Small and Large Intestine
  • The Gastrocolic Reflex
  • Lactose Intolerance
  • The Color of Poop
  • Incontinence
  • Food Poisoning
  • The Role of Gastroenterologists
  • The Microbiome
  • Fecal Microbiota Transplant
  • Conclusion

The Length of the Small and Large Intestine

The small intestine is about 18 feet long, while the large intestine is about six feet long. These organs are responsible for absorbing nutrients and water from food.

The Gastrocolic Reflex

The gastrocolic reflex is a process where the stomach senses food coming in and tells the colon to move things along through peristalsis. Peristalsis relaxes the muscles at the bottom of the anus and allows for a bowel movement. It typically takes two to three days for food to leave the body.

Lactose Intolerance

Lactose intolerance occurs when people lose their ability to break down dairy, which happens more commonly in certain communities. Symptoms include bloating, gas, and diarrhea.

The Color of Poop

The color of poop starts off as green due to the pigment bilirubin, but by the time it leaves the body, it is typically brown.

Incontinence

The anus includes the sphincters, internal and external, which help prevent incontinence of gas, liquid, or solid. Incontinence refers to unintentional passing of gas or bowel movements. Holding in farts can lead to discomfort and a high likelihood of gas incontinence.

Food Poisoning

The time it takes for food poisoning to occur after eating something suspicious varies. Food poisoning can occur quickly, within an hour, due to toxins formed by bacteria like B. serious or Clostridium.

The Role of Gastroenterologists

Gastroenterologists are physicians who specialize in digestive diseases, and they perform procedures like colonoscopies to detect signs of disease or polyps.

The Microbiome

While earlier estimates suggested that there were 10 times more microbiota than human cells in our body, recent studies suggest that for every human cell, there are about 1.3 bacterial cells. The gut microbiome is essential for a healthy brain, and there may be a connection between a healthy gut microbiome and Alzheimer’s disease.

Fecal Microbiota Transplant

Fecal microbiota transplant is a procedure used to transport healthy bacteria from a healthy person to a person with severely damaged gut environments, like those suffering from C. difficile colitis. This procedure can help restore balance to the gut microbiome and improve overall health.

Conclusion

Digestion is a complex process that involves many organs and bodily functions. Gastroenterologists play a crucial role in diagnosing and treating digestive diseases, and there are many ways to maintain a healthy gut, such as eating a balanced diet and avoiding foods that cause discomfort. By understanding more about digestion, we can better care for our bodies and improve our overall health.

Scroll to Top