The Sunday Upgrade – A smarter, science-backed start to the week
When your body’s missing this, you crave sugar and lose muscle
It protects your heart and strengthens your bones — yet 90% are deficient.
Plus, why your body isn’t absorbing vitamin D—and how to fix it
Also, an hour-by-hour breakdown of my high-performance routine
The Sunday Upgrade – A smarter, science-backed start to the week.
No sauna? No cold plunge? No problem—here’s how to do it at home
Skip this, and your brain will age faster
Why "hustle culture" is draining you—and what to do instead.