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.
Other factors in addition to the environment can affect the level and the speed at which heat stress conditions occur, including: Activity level â This likely is the most important factor that determines how much internal body heat is generated. The more active the person, the more heat and sweat is generated.