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 normal body temperature has long been thought to be 98.6 degrees Fahrenheit, but there are several factors that affect body temperature. Normal body temperature varies by person and can also increase or decrease as a person ages, changes environment, changes diet or alters medication.