Apples can cause an upset stomach.
If eaten and the mouth begins to itch, there can be an allergy of the apple.
If there is no signs of Allergies but the stomach hurts whenever an apple is eaten whole, chances are the body has a hard time digesting the fiber in the apple peel. Try peeling the apple before eating it if this is the case.
Also, apples contain quercetin, which can cause upset pain. If you want to eat one, do so some time after eating a meal, not on an empty stomach.
Apples actually help lose weight if you also do other exercises and eat other healthy foods because the sugar in apples is natural sugar that was gave to it when it was growing and that is part of the nutrients in an apple but the skin is the healthiest part to eat in an apple like the saying "An apple a day keeps the doctor away".
no.
From past experiences it has almost always upset my stomach in a bad way.
MSG
Yes
it depends, if you work TOO hard you will get an upset stomach, along with if you are really dehydrated you may feel nauseas...
In most cases, patients with fibromyalgia are prescribed anti-inflammatory drugs. It is those drugs that cause the stomach upset.
Unlikely
Feeding too much of any treat such as apples or carrots can cause digestive upset, a horses digestive tract is sensitive.
eating an iron
eating too much or stress
The sap can cause skin irritations and the plant can cause stomach upset if ingested
Apple juice can cause diarrhea and abdominal discomfort because it is packed with fiber. Apples, especially their skin, have a lot of fiber and consuming too much will result in upset stomach.