![Research suggests the average American's body temperature has decreased by 0.6 °C over the last 150 years. What is the mechanism behind this? Research suggests the average American's body temperature has decreased by 0.6 °C over the last 150 years. What is the mechanism behind this?](https://iiif.elifesciences.org/lax/49555%2Felife-49555-fig1-v2.tif/full/1500,/0/default.jpg)
Research suggests the average American's body temperature has decreased by 0.6 °C over the last 150 years. What is the mechanism behind this?
![98,6° F: Ideal Body Temperature as the Secret to Optimum Health: Amazon.co.uk: Karstädt, Uwe: 9783732323302: Books 98,6° F: Ideal Body Temperature as the Secret to Optimum Health: Amazon.co.uk: Karstädt, Uwe: 9783732323302: Books](https://m.media-amazon.com/images/I/61L09yaqV2L._AC_UF894,1000_QL80_.jpg)
98,6° F: Ideal Body Temperature as the Secret to Optimum Health: Amazon.co.uk: Karstädt, Uwe: 9783732323302: Books
![Dinosaur Body Temperatures Determined from Isotopic (13C-18O) Ordering in Fossil Biominerals | Science Dinosaur Body Temperatures Determined from Isotopic (13C-18O) Ordering in Fossil Biominerals | Science](https://www.science.org/cms/10.1126/science.1206196/asset/690be366-1b0e-4502-b373-4b75048cc605/assets/graphic/333_443_f1.jpeg)