The Lab Notes

One insight. Every Monday.

The latest in integrative and functional health — research, protocols, and practical tools — straight to your inbox every Monday.

  • Clinic-tested tips you can use the same week.
  • Honest takes on supplements, labs, and trends.
  • Recipes Luba and her clients actually eat.

Past issues

July 27, 2026

The Real Reason Exercise Keeps You Young

Good morning,

Scientists just found the molecular switch behind one of movement's biggest benefits. A gene called DEAF1 builds up in aging muscle and gets in the way of repair. Exercise turns that switch down — letting older muscle clear out damage and rebuild itself far more effectively than it can at rest.

Where to begin: You don't need an hour at the gym for this. Two to three short strength sessions a week — even bodyweight work — appear to be enough to keep this repair system active. Consistency matters more than intensity here.

Have a healthy day! 🌿 Luba

July 20, 2026

What Centenarians' Blood Actually Looks Like

Good morning,

Researchers just published something remarkable: people who live past 100 in good health carry a distinct chemical fingerprint in their blood — unusual, favorable patterns in bile acids and steroid hormones that set them apart from typical aging. This isn't luck. It's biology responding to decades of specific inputs.

Where to begin: You can't test for a centenarian fingerprint at home, but you can support the same systems — a liver that clears bile acids efficiently (fiber, cruciferous vegetables, adequate protein) and hormones that stay steady (consistent blood sugar, real sleep, regular movement). Longevity is built in ordinary weeks, not extraordinary ones.

Have a healthy day! 🌿 Luba

July 13, 2026

The Weak Spot Hiding in Your Gut Bugs

Good morning,

This week's research gave us a genuinely useful piece of the gut puzzle. Scientists just identified a shared weak spot in E. coli, Shigella, and other bacteria that cause digestive upset — the enzymes they use to break through your gut's protective mucus layer. That mucus layer isn't just a lining. It's your first line of defense, and how well-fed it is depends on what you eat.

Where to begin: Add one serving of a fiber-diverse plant food you don't normally eat this week — a new vegetable, a handful of chia, a scoop of ground flax. Diversity feeds the barrier, not just the bacteria behind it.

Nothing is permanently broken. Nothing. Give your body what it needs, and it will do the rest.

Have a healthy day! 🌿 Luba