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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.