Is 98.2 Degrees Fahrenheit the New Normal? Glass Thermometer Although Carl Reinhold August Wunderlich (1815-1877) introduced body temperature into hospital charts and believed that a high fever was not a disease but a symptom, his analysis of the average oral body temperature is no longer believed to be the 98.6 F he reported. Allowing for a healthy normal range, and the fact that body temperature is affected by time of day, and whether someone is hungry, sleepy, cold or jet-lagged, to say nothing of where the temperature measurement is taken, oral, internal or ear, since the 1990s scientists have... (Read More ...)