4 Minute Fridays: The #1 cause for metabolism slow down in your 40s, the truth about "muscle confusion" & one of the best books I've read in 2025

4 Minute Fridays: The #1 cause for metabolism slow down in your 40s, the truth about "muscle confusion" & one of the best books I've read in 2025

mail.google.com
Thumbnail of 4 Minute Fridays: The #1 cause for metabolism slow down in your 40s, the truth about "muscle confusion" & one of the best books I've read in 2025

Body by Science: A Research Based Program to Get the Results You Want in 12 Minutes a Week

John R. Little

amazon.com
Cover of Body by Science: A Research Based Program to Get the Results You Want in 12 Minutes a Week
nonpractisinggeniusinstagram.com