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.
With hypothyroidism, however, body temperature tends to decrease because of a deficiency in thyroid hormone. A small rise or fall in thyroid levels can change the body temperature enough to significantly affect the levels of proteins in the bloodstream. How Hypothyroidism Affects Your Internal Temperature. Hypothyroidism symptoms include constipation, fatigue, joint or muscle pain, and even depression.