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.
Each factor plays a part in maintaining your body temperature. The first part is how much you sweat, which can vary from person to person. You will produce a greater amount of sweat the hotter your body temperature is which in turn helps maintain the core temperature at a lower level.