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How sleep affects women' s brains

Plus, a sweet & salty recipe of the week

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July 28, 2026 10:04am EDT

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July 28, 2026

In the latest longevity news, scientists engineered an enzyme that can reverse a type of protein damage that builds up with age. In lab tests, it reduced this damage by over 70% in aged human artery tissue and more than 50% in skin samples from folks in their 70s.¹

It's still early-stage (and not a treatment you can access yet). But if you’re looking to improve your artery health, try this.

—Molly Knudsen, M.S., RDN, editor

p.s. Share the newsletter with someone who always likes to be in-the-know of the latest research.

Will low-carb raise your cholesterol?

Low-carb diets are often touted for supporting weight loss and blood sugar management. But when you cut back on carbohydrates, fat and protein often make up more of your diet instead, and that can have implications for your cholesterol.

But, how much of an impact it has may depend on your genes.

Researchers analyzed data from folks who followed a healthy low-carb or healthy low-fat diet.²
Among people following the low-carb diet, those with a genetic predisposition to higher LDL cholesterol saw the biggest increases in LDL when they consumed more saturated fat. Researchers didn't see the same pattern in the low-fat group.

Why it matters: Your genes may help explain why one person sees their LDL climb on a low-carb diet while another doesn't.

What to do: If you go low-carb, prioritize unsaturated fats like olive oil, nuts, seeds, and avocado and be sure to get your cholesterol levels checked at least once a year.

+ Cholesterol watch

Eating this every day lowers cholesterol
6 high-fiber foods to buy on repeat
An unforeseen side effect of statins
This helps predict your genetic risk of heart disease

Build your longevity routine

Does your longevity routine include red light therapy? Well, it should.

What it is: Red and near-infrared light deliver specific wavelengths of light energy to the body. Research suggests this may support mitochondrial function, recovery, and skin (plus hair) health.³

What devices deliver? Not all devices are going to provide a clinically sufficient dose of red light therapy. BON CHARGE’s devices use the most researched red and near-infrared wavelengths and offer high irradiance to deliver that light energy effectively. With options ranging from targeted devices to full-body panels, it's also easy to find one that fits your routine.

Our top picks:

A red light face mask for firmer, brighter-looking skin
A 3-in-1 longevity essential with PEMF, infrared, & red light
A red light cap that promotes hair growth & density
A portable, budget red light device for targeted, on-the-go treatments
A red light wand with microcurrent to age skin in reverse

Don’t wait—you can save 25% sitewide!

How’s your sleep?

Image by Viktor_Gladkov / iStock

This common sleep disorder is linked to poorer memory
Feeling low energy? You may be lacking this vitamin
How sleep affects women' s brains
Do this during the day to completely change your sleep

Recipe of the week

I’ve followed recipe developer Molly Baz for years, and she does not disappoint with this easy salmon recipe. “With regard to the garlic-peanut crackle sauce, bear in mind that it should be spicier and saltier than you're comfortable spooning straight to the face because it's ultimately going to be served with a fatty piece of fish and a pile of coconut rice. Don't hold back,” she says.

Get the recipe

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Credential Check

Molly Knudsen, M.S., RDN

Writer & Editor

Citations

¹ Nature Communications

² Presented at the American Society for Nutrition Conference, 2026

³ Biology

Just a heads-up: Everything in this newsletter is for general info only—not medical advice. We always recommend checking in with a healthcare professional before making any health decisions. Our product picks and reviews reflect our editors’ opinions unless we say otherwise. We sometimes link to other sites, but we’re not responsible for their content.

*These statements haven’t been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.