Why Do Some People Stay Active Well Into Their 70s?
Why do some people stay active well into their 70s while others slow down much earlier? Discover the science behind muscle health, movement, and cellular aging, and learn why researchers...
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Why Do Some People Stay Active Well Into Their 70s? -
What Happens When Your Cells Stop Dividing? The Hidden Science of Cellular Aging
What Happens When Your Cells Stop Dividing? The Hidden Science of Cellular Aging
Some damaged cells don't die they stop dividing. Scientists are investigating whether the accumulation of these senescent cells and the signals they release may contribute to age-related changes. Fisetin has...
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Can Gray Hair Be Reversed? What Scientists Actually Know About Hair Repigmentation
Can Gray Hair Be Reversed? What Scientists Actually Know About Hair Repigmentation
Can gray hair really be reversed? Scientists are discovering that hair graying involves far more than simply losing pigment. From melanocyte stem cells and oxidative stress to the biology of...
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What Did a Human NMN Trial Actually Find About NAD⁺, Walking and Sleep?
What Did a Human NMN Trial Actually Find About NAD⁺, Walking and Sleep?
A 2024 randomized, placebo-controlled human trial tested 250 mg/day of NMN for 12 weeks in 60 older adults. Researchers found increased blood NAD⁺ and related metabolites, along with differences in...
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What Happens When Researchers Restore Glycine + NAC in Older Adults?
What Happens When Researchers Restore Glycine + NAC in Older Adults?
A small randomized clinical trial followed older adults receiving GlyNAC for 16 weeks and measured glutathione, oxidative stress, mitochondrial function, inflammation, metabolism, and physical performance. The results were promising but...
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What Counts as Proof? How to Evaluate Human Longevity Research
What Counts as Proof? How to Evaluate Human Longevity Research
A supplement can improve a biomarker without proving that it slows aging. Discover how scientists evaluate longevity research, the difference between biomarkers, physical function and clinical outcomes, and what human...
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Skin Elasticity and Aging: What Happens to Elastin and Collagen as We Get Older?
Skin Elasticity and Aging: What Happens to Elastin and Collagen as We Get Older?
Skin elasticity naturally changes with age as collagen and elastin undergo structural changes. But what actually causes skin to lose its firmness and ability to bounce back? Explore the science...
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NMN and NAD+: What Does the Science Really Say About Cellular Aging?
NMN and NAD+: What Does the Science Really Say About Cellular Aging?
NAD+ plays an essential role in cellular energy, DNA repair and metabolism, but does increasing it actually slow aging? Explore how NMN supports NAD+ production, what human clinical trials have...
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GlyNAC Human Trial Breakdown: What Did the 16-Week Study Actually Find?
GlyNAC Human Trial Breakdown: What Did the 16-Week Study Actually Find?
A randomized human trial found promising changes in glutathione, oxidative stress, mitochondrial function and physical performance after GlyNAC supplementation. But only 24 older adults were randomized. Explore the study design,...
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Urolithin A and Muscle: What Human Trials Actually Show About Strength, Endurance, and Aging
Urolithin A and Muscle: What Human Trials Actually Show About Strength, Endurance, and Aging
Urolithin A is gaining attention for its potential role in muscle health and mitochondrial function. But what do human clinical trials actually show? Explore the evidence on muscle endurance, strength,...
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PABA and Premature Gray Hair: Where the Claim Comes From
PABA and Premature Gray Hair: Where the Claim Comes From
The claim that PABA can restore gray hair traces back to research conducted decades ago, including a frequently cited report involving 460 people. Explore what researchers actually observed, the doses...
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NAD+ and Aging: Why Researchers Study NMN
NAD+ and Aging: Why Researchers Study NMN
NAD+ is essential for cellular metabolism, and NMN is one of the molecules the body can use to make it. Explore why researchers study NMN, what human trials actually measure,...
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Does NAD+ Decline Everywhere With Age?
Does NAD+ Decline Everywhere With Age?
You've Probably Seen the NAD+ Aging Graph It usually looks something like this: Young age → High NAD+ ↓ Middle age → Lower NAD+ ↓ Older age → Very low...
