Rozalyn Anderson, a professor of medicine at the University of Wisconsin-Madison, who studies aging, wrote a perspective accompanying the paper. He added, “I don’t think you can make any new clinical statements” for an individual. By combining efforts from a half dozen labs collected over 40 years, they had sufficient information to ask general questions about changes in metabolism over a lifetime. It involves measuring calories burned by tracking the amount of carbon dioxide a person exhales during daily activities. The investigators also had participants’ heights and weights and percent body fat, which allowed them to look at fundamental metabolic rates.

Source: New York Times August 12, 2021 18:00 UTC