Normal human body temperature varies slightly from person to person and by the time of day. Consequently, each type of measurement has a range of normal temperatures.

The optimal temperature of the human body is 37 °C (98.6 °F), but various factors can affect this value, including exposure to the elements in the environment, hormones, an individual’s metabolism, and …

Jul 3, 2025 · As global temperatures rise and heat waves become more frequent, what are the most dangerous effects of extreme heat on the human body, and what are some groups at greater risk?

During exercise and with exposure to hot climatic conditions, there is tendency for the human body to store heat and for body temperatures to rise. Changes in deep body temperatures reflect the …

Feb 19, 2025 · This article goes into detail about the common causes of high body temperature and discusses eight tips that can help a person reduce body heat.

Dec 16, 2025 · For humans, the ideal temperature range for internal organs is around 98.6 degrees Fahrenheit (37 degrees Celsius). If the external environment threatens to raise or lower the core …

Much like a thermostat regulates the temperature inside your home, the hypothalamus regulates your body temperature, responding to internal and external stimuli and making adjustments to keep the …

Nov 26, 2025 · The human body is an endotherm, meaning it generates its own internal heat, a process called thermogenesis, to maintain a stable core temperature. Maintaining this constant core …

The body tightly regulates the body temperature through a process called thermoregulation, in which the body can maintain its temperature within certain boundaries, even when the surrounding temperature …

When the environment is not thermoneutral, the body uses four mechanisms of heat exchange to maintain homeostasis: conduction, convection, radiation, and evaporation.