Zenith Within by Dr. Sara Redondo
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We’ve Been Diagnosing Alzheimer’s Backwards. That Just Changed.
For decades, Alzheimer’s was diagnosed only after severe memory loss. New p-tau217 blood test data reveals pathology years earlier. Here is the accuracy…
17 hrs ago
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Dr. Sara Redondo
9
3
The #1 Preventable Dementia Risk Factor Isn't What You Think
A practical roadmap to recognizing early hearing loss, protecting your brain, and reducing one of the biggest modifiable risks for dementia.
Jul 21
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Dr. Sara Redondo
9
6
The Mental Habit That Feeds Depression, and the Techniques That Actually Interrupt It
Understand why your brain gets stuck replaying the same thoughts, how it affects depression, and the therapies shown to interrupt the cycle.
Jul 19
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Dr. Sara Redondo
16
5
The Cheapest Brain Supplement With Real Science Behind It
What the latest research really says about creatine, memory, Alzheimer's disease, depression, and brain performance under stress.
Jul 17
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Dr. Sara Redondo
20
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The Science-Backed Habits of People Who Never Burn Out
Discover the four recovery experiences and six work-life factors that determine whether chronic stress becomes burnout—or resilience.
Jul 15
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Dr. Sara Redondo
14
4
The BDNF Habits: What Actually Grows Your Brain After 40, and the Specific Dose for Each
BDNF is the protein that determines whether your brain sharpens with age or dulls. Low levels predict cognitive decline and Alzheimer’s risk. Here is…
Jul 11
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Dr. Sara Redondo
23
6
We Are Wrong About What Makes Us Happy. Here Is What the Evidence Says to Do Instead.
Researchers have mapped exactly how we mispredict our own happiness. The strategies that work are specific, replicable, and usually the opposite of what…
Jul 10
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Dr. Sara Redondo
14
10
The Inflammatory Subtype of Depression: Why a Common Blood Test May Tell You More About Your Mood Than Your Serotonin Levels
Approximately 1 in 4 people with depression has an immune-driven variant that responds differently to treatment. Here is the evidence, plus a…
Jul 4
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Dr. Sara Redondo
18
2
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The Brain Fog Lab Guide: 5 Reversible Causes to Rule Out
Five reversible causes of cognitive slowdown, the specific lab tests that diagnose them, and a downloadable symptom and lab tracker to bring to your…
Jun 25
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Dr. Sara Redondo
16
5
14 Risk Factors Explain Nearly Half of All Dementia Cases — and You Can Modify Every One. Here Is the Clinical Protocol.
What each risk factor is, the evidence, and the exact actions to take, plus a downloadable dementia prevention checklist.
Jun 23
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Dr. Sara Redondo
24
8
6
What Your Gut Bacteria Are Doing to Your Brain — and How to Change It
The gut-brain axis explained accurately, the dysbiosis signatures in depression and anxiety, and what the evidence supports for changing them.
Jun 13
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Dr. Sara Redondo
19
5
Cortisol Isn’t the Problem. This Is.
Learn how cortisol should work, what happens when stress flattens your daily rhythm, and the evidence-based protocol to reset it.
Jun 11
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Dr. Sara Redondo
22
4
6
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