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The Semaine Journal

Semaine Journal

Brain & Longevity

Thoughtful explorations of cognition, healthy aging, and the emerging science that connects them.

Start with our essential guide
An olive branch with green olives and a cruet of olive oil on cream linen, Mediterranean still-life.

Olive Polyphenols and the Brain: From Research ...

Explore hydroxytyrosol research, distinguish animal findings from human trials, and see why Semaine includes olive-derived compounds in Peri/Meno Essentials.

Olive Polyphenols and the Brain: From Research ...

Explore hydroxytyrosol research, distinguish animal findings from human trials, and see why Semaine includes olive-derived compounds in Peri/Meno Essentials.

Two ginkgo leaves resting on cream linen in soft light, quiet reflective still-life.

Why Are Women More Likely to Have Alzheimer's?

Explore the roles of longevity, genetics, hormones, and other factors in women's Alzheimer's risk without reducing it to a single cause.

Why Are Women More Likely to Have Alzheimer's?

Explore the roles of longevity, genetics, hormones, and other factors in women's Alzheimer's risk without reducing it to a single cause.

Soft morning light breaking through a sheer curtain onto a cream surface, hopeful clearing mood.

Is Perimenopause Brain Fog Permanent? What to E...

Brain fog can change through perimenopause. Learn what research shows, why experiences vary, and when persistent or worsening symptoms need a closer look.

Is Perimenopause Brain Fog Permanent? What to E...

Brain fog can change through perimenopause. Learn what research shows, why experiences vary, and when persistent or worsening symptoms need a closer look.

A cup of herbal tea with soft steam by a hazy morning window on cream linen, calm mood.

Menopause Brain Fog: Why It Happens and What Ca...

Noticing changes in focus or word recall during menopause? Understand common contributors, practical support, and when cognitive changes deserve evaluation.

Menopause Brain Fog: Why It Happens and What Ca...

Noticing changes in focus or word recall during menopause? Understand common contributors, practical support, and when cognitive changes deserve evaluation.

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How Estrogen Affects Your Brain During Menopause

Learn how estrogen influences temperature, mood, and brain energy, why symptoms overlap, and how to choose support around what you experience.

How Estrogen Affects Your Brain During Menopause

Learn how estrogen influences temperature, mood, and brain energy, why symptoms overlap, and how to choose support around what you experience.

Sprigs of pink-purple red clover blossoms on cream linen with sage-green tones, soft natural light, botanical still-life.

Red Clover and Menopause Brain Fog: What Studie...

Explore red clover research on hot flashes, the connection between sleep and brain fog, and how the ingredient fits into Semaine's menopause formula.

Red Clover and Menopause Brain Fog: What Studie...

Explore red clover research on hot flashes, the connection between sleep and brain fog, and how the ingredient fits into Semaine's menopause formula.

A glass beaker of water with a droplet falling from a dropper

How to Test Water for Lithium: From Utility Dat...

Check existing lithium results, confirm your water supplier, and learn what to ask a laboratory about sampling, reporting limits, and your test result.

How to Test Water for Lithium: From Utility Dat...

Check existing lithium results, confirm your water supplier, and learn what to ask a laboratory about sampling, reporting limits, and your test result.

Clear water pouring into a glass pitcher on a cream surface

Do Brita Filters Remove Lithium? Check the Exac...

Learn what water-treatment research found about lithium removal, why pitcher performance varies, and what to check before choosing a filter.

Do Brita Filters Remove Lithium? Check the Exac...

Learn what water-treatment research found about lithium removal, why pitcher performance varies, and what to check before choosing a filter.

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Wnt and Beta-Catenin: The Lithium Connection Ex...

A simple guide to Wnt signaling, beta-catenin, and lithium's laboratory effects. Understand the mechanism without confusing it with a proven health benefit.

Wnt and Beta-Catenin: The Lithium Connection Ex...

A simple guide to Wnt signaling, beta-catenin, and lithium's laboratory effects. Understand the mechanism without confusing it with a proven health benefit.

An arrangement of assorted smooth pale mineral stones on cream linen

Is Lithium an Essential Nutrient? What Is Estab...

Lithium has no established dietary requirement. Learn why researchers are studying it and why a low water result does not diagnose a deficiency.

Is Lithium an Essential Nutrient? What Is Estab...

Lithium has no established dietary requirement. Learn why researchers are studying it and why a low water result does not diagnose a deficiency.

Amber omega-3 softgel capsules beside a sprig of greenery on cream linen

DHA and Lithium: Different Roles in Brain Research

DHA supports brain-cell structure; lithium is studied for cell signaling. Explore the evidence for each and the unanswered questions about combining them.

DHA and Lithium: Different Roles in Brain Research

DHA supports brain-cell structure; lithium is studied for cell signaling. Explore the evidence for each and the unanswered questions about combining them.

Whole grains and fresh leafy greens on a cream linen surface

Lithium in Food and Water: Understanding Dietar...

Which foods contain lithium, and how much do people consume? Explore regional food studies, water sources, and why there is no recommended intake.

Lithium in Food and Water: Understanding Dietar...

Which foods contain lithium, and how much do people consume? Explore regional food studies, water sources, and why there is no recommended intake.

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