Doctor insights on:
How Far Does Food Travel In Digestive System
In a normal person: without any prior surgeries or GI diseases, about 60 90 minutes from the mouth thru the small intestine to reach the colon and then another 24-36 hours thru the colon or large intestine to the anus. Of course food that cause diarrhea or constipation can change this in either direction ...Read more
Following a meal,: Transit time through the small intestine is anywhere from 45 minute to 90 minutes; then transit time through the colon normally is 24-36 hours. This will vary from patient to patient and relative to diet and other conditions such as prior abdominal surgery, fluid intake, stress, meds and hydration status. ...Read more
Variable: Amount of time between eating food and processing entirely to defecation varies between people a lot. It takes 6-8 hours for food to through stomach and small intestine. From there it goes to large intestine for more digestion, absorption of water, and then elimination of waste. Studies have shown between 33 - 53 hours total. Kids might be faster than adults -- and medications can affect it too. ...Read more
Food route: chew in mouth, stomach mixes and meters out into duodenum and then into small intestine for absorption. The residual makes it into the right part of the colon within an hour or less in most people. then over the next 1-4 days it slowly moves toward the rectum where it is slowly dehydrated (no digestion takes place in the colon, except bacterial degradation), eventually expelled ...Read more
From top to bottom: Fodd is chewed (hopefully) in the mouth, and swallowed by coordinated muscular contractions in the mouth and throat, entering the esophagus, where the same muscular contractions push it down to the stomach. Churning action and enzymes, acid break the food chunks into smaller particles that are pushed, again by muscles of the GI tract, through the small intestine, eventually to reach the colon. ...Read more
MSG: It will leave within an hour.Get a more detailed answer ›
Slows or prevents.: Two types of illness: intoxication- a preformed toxin affects your gut. Infection- organism in food actually infects lining of gut. Both result in temporary disruption of ability to digest food and absorb nutrients. Most 1st world illness is short lived and mild. Some can be severe. Persistent symptoms, elderly, recent antibiotics, severe abd pain or blood in stool should prompt eval. ...Read moreSee 1 more doctor answer
GI defense: the protection is mostly when you first eat. The stomach has a very low Ph and the extreme acidity makes it hard for pathogens to enter your system. However, after a heavy meal or if you take acid reducers (Nexium, etc), then it takes a much smaller dose of bacteria to cause illness. ...Read more
Easy to digest: Rice toast or saltine crackers bananas chicken green leafy vegetables gelatin fresh fruit including cantaloupe, squash or apricots scrambled eggs mashed potatoes fermented foods including yogurt and sauerkraut. ...Read more
After eating a problem food allergen, how long does it take to show up in body symps? And how long does it take to exit system? Thanks Dr!
2 hours: Most allergic responses occur within 2 hours although reaction to red meat may not come on until 3-6 hours later. Most allergic responses from food should subside in less than a day. As for how long traces of the food may remain in your body, it would depend on the kind of food. ...Read more
Infections good/bad: Can be good or bad. Germs (viruses, bacteria, parasites, etc) stimulate one or more response(s) by immune system to isolate and destroy the "attacker" which is usually good. However that immune response may be excessive leading to disease (ie autoimmune illnesses) bad. The improvement in childhood health may be contributing to the increase in allergy, the hygiene hypothesis, usually a negative. ...Read more
How does children's cnacer affect me? Is it a reflection of pollution and toxins in our (and my) food and water?
Childhood cancer: It's particularly tragic when children suffer cancer. Cancer in them, as in adults, can be genetically or environmentally linked. However, to address your concern about what are your risks when a child contracts a malignancy, rest assured that toxic exposures on their part are likely more limited than you might accumulate having lived longer into adulthood. Eat healthy, avoid smoking, exercise. ...Read more
Absorbs Nutrients: That's a very complicated question and there is not an easy answer. The body breaks down the food you eat to its component parts and then absorbs that to create energy. You can find a lot of information at your local library or on the internet. ...Read more
On average, how long does food take to move through the digestive tract? Are there any foods that are prone to getting "stuck" and causing upset?
Hours to Days: Common GI transit times, from foods labeled with radio-tracer elements, vary from a few hours up to about 3 days, with a day or two common. We normally add about 7 liters of water (from the blood stream) to what is ingested, so that the food becomes a thin watery soup in order to facilitate digestion; enzymes can only get to what is suspended, with a large surface area, in a thin watery solution. ...Read more
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