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New research on lutein & eye health | Harvard study links gut health to cognitive aging | 5 nutrients adults over 50 are commonly deficient in | Why your vision changes after 40 — and what you can do
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Latest Articles

Eye Health
Woman with glasses thinking about vision changes after 40
Eye Health • May 2025 • 6 min read

Why Your Vision Gets Blurry After 40 — And The Nutrients That Can Help

Most people accept worsening vision as an inevitable part of aging. But researchers are increasingly finding that specific nutritional deficiencies — particularly in lutein, zeaxanthin, and omega-3 fatty acids — may accelerate the changes that happen in the lens and retina after midlife. Here's what the latest research says and which everyday foods are the most potent sources.

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Nutrition
Nutrient-rich foods including salmon, spinach, nuts and blueberries
Nutrition • April 2025 • 8 min read

The 5 Nutrients Most Adults Over 50 Are Deficient In — And How to Fix It

A large-scale analysis of dietary data found that the majority of Americans over 50 fall short on five critical nutrients: magnesium, vitamin D3, omega-3s, B12 and zinc. Each deficiency has a distinct set of symptoms that many people mistake for "normal aging." This article breaks down each one, how to identify the signs, and which food sources are most bioavailable.

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More Articles

Fermented foods and olive oil for gut health
Brain Health•March 2025

Gut-Brain Connection: How Your Microbiome Affects Memory and Mood After 50

Emerging research links the trillions of bacteria in the gut directly to cognitive performance, mood regulation and the risk of neurodegenerative conditions in older adults.

Close-up of eye showing floaters and vision concerns
Eye Health•February 2025

Dark Spots and Floaters: When Are They a Warning Sign You Shouldn't Ignore?

Most floaters are harmless — but a sudden increase in their number, or the appearance of flashing lights, can signal a retinal issue that requires prompt attention.

Mediterranean diet with Greek salad for anti-inflammatory eating
Healthy Aging•January 2025

The Anti-Inflammatory Diet That Researchers Say May Slow Biological Aging

A Mediterranean-style eating pattern rich in polyphenols and omega-3s has been associated with longer telomere length — a biological marker of cellular aging — in multiple peer-reviewed studies.

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Find articles organized by health topic, from vision and nutrition to brain health and natural living.

Eye Health

Older woman reading with glasses
Eye Health•May 2025

Why Your Vision Gets Blurry After 40 — And The Nutrients That Can Help

Lutein, zeaxanthin and omega-3s may play a key role in slowing the vision changes that come with midlife and beyond.

Close-up of human eye
Eye Health•February 2025

Dark Spots and Floaters: When Are They a Warning Sign?

Understanding the difference between benign floaters and symptoms that warrant an urgent eye exam.

Nutrition & Healthy Aging

Nutrient-rich foods for adults over 50
Nutrition•April 2025

The 5 Nutrients Most Adults Over 50 Are Deficient In

Magnesium, D3, omega-3s, B12 and zinc — what the deficiencies look like and the best dietary sources.

Anti-inflammatory Mediterranean diet foods
Healthy Aging•January 2025

The Anti-Inflammatory Diet That May Slow Biological Aging

Mediterranean-style eating, polyphenols and telomere length — what researchers have found so far.

Brain & Memory

Brain-boosting foods including walnuts, blueberries and salmon
Brain Health•March 2025

Gut-Brain Connection: How Your Microbiome Affects Memory After 50

The trillions of bacteria in your gut have a direct line to your brain — and the research is now making clear how significant that link is.

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