Don Koehler it was a job that spared him from living in any "freak show business". Later in life, he suffered from the medical condition kyphosis, resulting in (often severe) curvature of the spine. Koehler died in 1981 in Chicago from a reported heart condition, by which time he was estimated to be about 239 cm (7'10") tall. He was 55 years old. Don Koehler Donald A. Koehler (September 1, 1925 – February 26, 1981) is one of 17 known people in medical history to reach a height of 8 feet (2.44 m) or more. He was generally recognized as the tallest
Thermoregulation in humans main avenue of heat loss. Humidity affects thermoregulation by limiting sweat evaporation and thus heat loss. The core temperature of a human is regulated and stabilized primarily by the hypothalamus, a region of the brain linking the endocrine system to the nervous system, and more specifically by the anterior hypothalamic nucleus and the adjacent preoptic area regions of the hypothalamus. As core temperature varies from the set point, endocrine production initiates control mechanisms to increase or decrease energy production/dissipation as needed to return the temperature toward the set point (see figure). In general, humans appear physiologically well adapted to hot