Doctor insights on:
How Long Does It Take For Food To Pass Through The 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
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
We would need: information as to what the supplement is, how it was taken, and all the ingredients. Even then unless there have been studies done we may not be able to give a good answer. ...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
Varies with the type: Of food. After consuming a typical solid meal, there is a lag time of 20 to 30 minutes in which there is minimal gastric emptying. This is followed by a phase in which the rate of emptying is roughly linear. In contrast, liquids are generally transported out of the stomach at an exponential rate. See this site:http://www.Vivo.Colostate.Edu/hbooks/pathphys/digestion/stomach/emptying.Html. ...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
3-6 hours: 3-6 hours for solids about 3 hours for most liquids. Meat is slower to digest and may take up to six hours milk curdles and the casein may take up to three to four hours to fully digest, while the whey part of milk stays liquid and may be digested in less than three hours. ...Read more
That depends: On how much you smoke over how many years. Count on a month. ...Read more
Long time: If you're trying to fool a test, forget it. Some these days can pick up drugs from months ago. For driving purposes, it depends on how big a dose, how big a person, how strong a liver. ...Read more
A few hours.: Food is usually out of the stomach within 45 minutes. Then heads to the small intestine. Most digestion takes place there. It is hard to say when digestion is complete, but after several hours most nutrients are absorbed. Popcorn husks don't digest well. ...Read moreSee 1 more doctor answer
Variable: This can vary based on the type of food, gender, age, and based on the individual. It has been reported that food passes through the stomach and small intestine in 6-8 hours, when it enters the large intestine for further absorption. Then it may take on average 33 hours for men and 47 hours for women to pass, but again, this is variable. Children may take around 33 hours from end to end. ...Read more
Up to 1 year: Nicotine can stay in your system for upto 72 hours. The byproducts of nicotine can stay in your system for upto 3 weeks. Nicotine can be found in your hair upto 1 year. The tar deposit from cigarettes in your lungs is usually permanent. This does not mean that quitting smoking won't change anything. Quitting smoking has numerous beneficial effects and some damage other than tar can be reverse. ...Read more
Half life: Is about 60 hrsGet a more detailed answer ›
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