~30% of the population are slow metabolizers of caffeine, yet the prevailing attitude is that coffee is considered a “net positive”. For those with slow caffei

~30% of the population are slow metabolizers of caffeine, yet the prevailing attitude is that coffee is considered a “net positive”. For those with slow caffeine metabolism, it’s killing your sleep, it’s making you anxious and eventually it’s going to cut your life short. If you’re a slow metabolizer of caffeine, your sleep quality is suffering. Cut out caffeine for two weeks - see how deeper your sleep becomes. “ Slow caffeine metabolisers are: Associated with a higher risk of heart disease [19] Associated with a higher risk of hypertension [20] Associated with impaired fasting glucose [21] May not have the protective effects against some cancers that it appears to for “fast metabolisers” [22,23] A recent umbrella review of 218 meta-analyses concluded that coffee presented statistical harm only in pregnancy and possible fracture risk for women. [4]” https://www.thesustainabletrainingmethod.com/tstm-blog/2021/2/24/why-caffeine-is-not-a-consistent-performance-aid-for-all-recreational-athletes https://www.thesustainabletrainingmethod.com/tstm-blog/2021/...