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The Journal

All articles

Journal archive.

Page 6 of 61

Autophagy and the Brain: How Cellular Cleanup Keeps Your Mind Sharp
Science

Autophagy and the Brain: How Cellular Cleanup Keeps Your Mind Sharp

Discover how autophagy brain health is linked—and how fasting, exercise, and sleep activate cellular cleanup to protect against cognitive decline.

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Roon Team
June 27, 2026·11 min read
+2
NAD+ and the Aging Brain: Why Cellular Energy Declines With Age
Science

NAD+ and the Aging Brain: Why Cellular Energy Declines With Age

Discover why NAD+ brain aging matters. Learn how falling NAD+ levels weaken neurons, impair mitochondria, and what it means for cognitive health.

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Roon Team
June 27, 2026·10 min read
+3
Chronic Stress and Memory: How Cortisol Reshapes the Hippocampus
Science

Chronic Stress and Memory: How Cortisol Reshapes the Hippocampus

Chronic stress and memory loss are linked by cortisol and the hippocampus. Learn how prolonged stress reshapes your brain and what science says you can do.

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Roon Team
June 27, 2026·10 min read
+2
The Gut-Brain Axis and Cognition: How Your Microbiome Talks to Your Brain
Science

The Gut-Brain Axis and Cognition: How Your Microbiome Talks to Your Brain

Discover how the gut-brain axis shapes cognition, memory, and focus. Learn the science behind microbiome-to-brain signaling and what 2025 research reveals.

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Roon Team
June 26, 2026·11 min read
+2
Turkey Tail, Your Gut, and Your Brain: The Gut-Brain Axis Story
Science

Turkey Tail, Your Gut, and Your Brain: The Gut-Brain Axis Story

Discover how turkey tail mushroom benefits your gut-brain axis. Learn the real mechanism behind PSP, prebiotics, and cognitive effects—backed by science.

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Roon Team
June 26, 2026·9 min read
+3
Apigenin and the Benzodiazepine Binding Site: How a Chamomile Flavonoid Calms the Brain
Science

Apigenin and the Benzodiazepine Binding Site: How a Chamomile Flavonoid Calms the Brain

Discover how apigenin binds the GABA-A benzodiazepine site to gently calm the brain—without the heavy sedation of prescription drugs. Science explained.

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Roon Team
June 26, 2026·10 min read
+2
Serotonin vs GABA: Two Completely Different Kinds of Calm
Science

Serotonin vs GABA: Two Completely Different Kinds of Calm

Serotonin vs GABA explained clearly. Learn how these two brain chemicals produce different types of calm and which one targets your specific stress or

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Roon Team
June 26, 2026·9 min read
Acetylcholinesterase Inhibition Explained: The Shared Mechanism Behind Sage and Rosemary
Science

Acetylcholinesterase Inhibition Explained: The Shared Mechanism Behind Sage and Rosemary

Discover how natural acetylcholinesterase inhibitors like sage and rosemary boost memory by slowing the enzyme that breaks down acetylcholine in your

R
Roon Team
June 26, 2026·9 min read
+3
Flavonoids and the Brain: How Plant Polyphenols Boost Blood Flow Through Nitric Oxide
Science

Flavonoids and the Brain: How Plant Polyphenols Boost Blood Flow Through Nitric Oxide

Discover how flavonoids improve brain function by triggering nitric oxide production, widening blood vessels, and increasing blood flow to your neurons.

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Roon Team
June 26, 2026·10 min read
+3
The Nrf2 Pathway: Your Brain's Master Antioxidant Switch
Science

The Nrf2 Pathway: Your Brain's Master Antioxidant Switch

Discover how the Nrf2 pathway brain defense system activates hundreds of protective genes to shield neurons from oxidative damage. Learn what really works.

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Roon Team
June 26, 2026·9 min read
+2
How Your Genes Set Your Caffeine Limit: CYP1A2 and the ADORA2A "Anxiety Gene"
Science

How Your Genes Set Your Caffeine Limit: CYP1A2 and the ADORA2A "Anxiety Gene"

Discover how caffeine genetics—specifically CYP1A2 and ADORA2A—determine your tolerance, jitters, and sleep. Find your ideal coffee limit based on your

R
Roon Team
June 26, 2026·10 min read
#caffeine+2
Mitochondria and Brain Energy: How Neurons Make ATP (and Why Focus Fades)
Science

Mitochondria and Brain Energy: How Neurons Make ATP (and Why Focus Fades)

Your brain burns 20% of daily calories. Learn how neurons produce ATP, why focus fades at 3pm, and what adenosine has to do with mental fatigue.

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Roon Team
June 26, 2026·11 min read
#energy+3
Caffeine and Cortisol: Does Coffee Spike Your Stress Hormone?
Science

Caffeine and Cortisol: Does Coffee Spike Your Stress Hormone?

Does caffeine really spike cortisol? Learn what the research says about coffee, stress hormones, tolerance, and whether your morning cup is actually a

R
Roon Team
June 26, 2026·10 min read
#caffeine
Caffeine Tolerance at the Receptor Level: Why Adenosine Receptors Adapt
Science

Caffeine Tolerance at the Receptor Level: Why Adenosine Receptors Adapt

Why does coffee stop working? Learn how caffeine tolerance builds at the adenosine receptor level and what you can do about it.

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Roon Team
June 26, 2026·9 min read
#caffeine+2
The Neuroscience of Motivation: How Dopamine Powers Drive and Focus
Science

The Neuroscience of Motivation: How Dopamine Powers Drive and Focus

Discover how dopamine and motivation are linked in your brain. Learn why dopamine drives effort—not pleasure—and how to use this science to boost focus

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Roon Team
June 26, 2026·10 min read
#dopamine+1
Adenosine and Sleep Pressure: The Molecule That Builds Your Need for Sleep
Science

Adenosine and Sleep Pressure: The Molecule That Builds Your Need for Sleep

Discover how adenosine builds sleep pressure in your brain all day—and why caffeine hides it rather than removing it. The neuroscience of why you feel

R
Roon Team
June 26, 2026·10 min read
#sleep+1
Caffeine and Dopamine: The A2A-D2 Connection Behind Coffee's Lift
Science

Caffeine and Dopamine: The A2A-D2 Connection Behind Coffee's Lift

Caffeine doesn't release dopamine directly—it removes a brake on it. Learn how the A2A-D2 receptor connection explains coffee's real lift.

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Roon Team
June 26, 2026·8 min read
#caffeine#dopamine+2
The Synapse-Building Trio: Uridine, Choline, and DHA
Science

The Synapse-Building Trio: Uridine, Choline, and DHA

Uridine, choline, and DHA are the three nutrients your brain needs to build synaptic membranes. Learn the science behind this powerful cognitive trio.

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Roon Team
June 26, 2026·10 min read
+3
From Egg to Neuron: How Choline Becomes Acetylcholine in Your Brain
Science

From Egg to Neuron: How Choline Becomes Acetylcholine in Your Brain

Learn how dietary choline travels from food to neuron, gets converted by ChAT into acetylcholine, and fuels memory, focus, and brain performance.

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Roon Team
June 25, 2026·10 min read
+1
How Acetylcholinesterase Inhibitors Work (and Why More Acetylcholine Is Not Always Better)
Science

How Acetylcholinesterase Inhibitors Work (and Why More Acetylcholine Is Not Always Better)

Acetylcholinesterase inhibitors boost acetylcholine—but more isn't always better. Learn how AChE inhibitors work and why they can backfire.

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Roon Team
June 25, 2026·11 min read
+2
Why Tyrosine Works for Some People and Not Others: COMT and the Dopamine Inverted-U
Science

Why Tyrosine Works for Some People and Not Others: COMT and the Dopamine Inverted-U

Your tyrosine COMT genotype determines where you sit on the dopamine inverted-U curve. Discover why the same dose sharpens focus for one person and

R
Roon Team
June 25, 2026·11 min read
+3
Tyrosine Hydroxylase: The Rate-Limiting Enzyme That Controls Your Dopamine
Science

Tyrosine Hydroxylase: The Rate-Limiting Enzyme That Controls Your Dopamine

Tyrosine hydroxylase is the rate-limiting enzyme in dopamine production. Learn how it works, what controls it, and why precursor supplements often fall

R
Roon Team
June 25, 2026·10 min read
+2
St. John's Wort: A Real Antidepressant Herb With a Serious Interaction Problem
Science

St. John's Wort: A Real Antidepressant Herb With a Serious Interaction Problem

St. John's wort works for mild depression—but it interacts with birth control, antidepressants, and more. Learn what you need to know before taking it.

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Roon Team
June 25, 2026·11 min read
+3
EGCG: The Green-Tea Catechin Behind Calm, Focused Alertness
Science

EGCG: The Green-Tea Catechin Behind Calm, Focused Alertness

Discover the real EGCG benefits beyond antioxidants—how this green tea catechin shapes brain blood flow, mood, and calm, focused alertness. Science-backed.

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Roon Team
June 25, 2026·10 min read
+3