In the stomach, food tends to hang around for a little longer and this depends on a variety of factors including the amount of food you have consumed, how much fat it contains, and also the acidity of the stomach. However, all food should have left the stomach within 2 to 4 hours.
Many factors can affect body temperature. Illness, Disease and Trauma. Fever can be caused by infection or illness; this is the bodyâs way of fighting the infection. Certain diseases, such as arthritis, hyperthyroidism and leukemia may also cause elevated body temperature.
The body temperature is just a measure of the body's ability to maintain its temperature levels in spite of the surrounding external temperature. There are various causes of low body temperature, and for a doctor to simply guess what the cause is, would be fairly unprofessional. The lowering of body temperature of an individual usually accompanies many other symptoms, and therefore, a careful investigation is required.