The Longevity LetterBrain & Mental Health
Brain Fog Isn’t in Your Head — It’s in Your Cells
Hillary Lin, MD·
You sleep enough. Your labs are “normal.” Yet your brain feels slow, your focus slips, and coffee only buys you a few more minutes of clarity. Stanford-trained…
This issue was originally published in The Longevity Letter.
Subscribe to get the full archive and new issues every Friday.
Subscribe to The Longevity LetterNext step
Get the physician’s note, not the wellness-script version.
The Longevity Letter turns the same clinical filter into a weekly read: what is worth measuring, what is worth changing, and what is just noise.