![Body Temperature Regulation, and Fever - Metabolism and Temperature Regulation - Guyton and Hall Textbook of Medical Physiology, 12th Ed Body Temperature Regulation, and Fever - Metabolism and Temperature Regulation - Guyton and Hall Textbook of Medical Physiology, 12th Ed](https://doctorlib.info/physiology/textbook-medical-physiology/textbook-medical-physiology.files/image1049.jpg)
Body Temperature Regulation, and Fever - Metabolism and Temperature Regulation - Guyton and Hall Textbook of Medical Physiology, 12th Ed
![BBC News (World) on Twitter: "A normal body temperature is 37C (98.6F), but can vary through the day and the menstrual cycle Anything above 38C (100.4F) is considered high Temperatures can be BBC News (World) on Twitter: "A normal body temperature is 37C (98.6F), but can vary through the day and the menstrual cycle Anything above 38C (100.4F) is considered high Temperatures can be](https://pbs.twimg.com/media/EaJdrheXkAIXS_x.jpg)
BBC News (World) on Twitter: "A normal body temperature is 37C (98.6F), but can vary through the day and the menstrual cycle Anything above 38C (100.4F) is considered high Temperatures can be
![Research Shows That Average Normal Body Temperature Is Decreasing and No Longer 98.6 Degrees Fahrenheit - Thailand Medical News Research Shows That Average Normal Body Temperature Is Decreasing and No Longer 98.6 Degrees Fahrenheit - Thailand Medical News](https://www.thailandmedical.news/uploads/editor/files/Body-Temperature-Decreasing.png)
Research Shows That Average Normal Body Temperature Is Decreasing and No Longer 98.6 Degrees Fahrenheit - Thailand Medical News
![Barry Ritholtz on Twitter: "Forget 98.6; the average normal human-body temperature is closer to 97.5 degrees Fahrenheit. https://t.co/DEegWqv82H https://t.co/xDChldrScg" / Twitter Barry Ritholtz on Twitter: "Forget 98.6; the average normal human-body temperature is closer to 97.5 degrees Fahrenheit. https://t.co/DEegWqv82H https://t.co/xDChldrScg" / Twitter](https://pbs.twimg.com/media/EOenz_xWAAEEP30.png)