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
Brain Fog and Fatigue: Could a Nutrient Deficie...
Iron, B12, and other nutrients can contribute to fatigue or brain fog. Learn what a symptom-led evaluation can clarify and where supplement support fits.
Brain Fog and Fatigue: Could a Nutrient Deficie...
Iron, B12, and other nutrients can contribute to fatigue or brain fog. Learn what a symptom-led evaluation can clarify and where supplement support fits.
Methyl-B12 and B12 Deficiency: Forms and Symptoms
Compare B12 forms, recognize possible deficiency symptoms, and understand why the right amount and treatment approach matter more than an active-form label.
Methyl-B12 and B12 Deficiency: Forms and Symptoms
Compare B12 forms, recognize possible deficiency symptoms, and understand why the right amount and treatment approach matter more than an active-form label.
Methylated Folate and MTHFR: Understanding the ...
Learn how 5-MTHF and folic acid differ, what common MTHFR variants mean, and why Semaine uses methylated folate in Hormone Balance.
Methylated Folate and MTHFR: Understanding the ...
Learn how 5-MTHF and folic acid differ, what common MTHFR variants mean, and why Semaine uses methylated folate in Hormone Balance.
Lifestyle and the Menopausal Brain: Everyday Su...
Explore sleep, movement, cardiovascular health, and meaningful connection during menopause, with a realistic reading of dementia-prevention research.
Lifestyle and the Menopausal Brain: Everyday Su...
Explore sleep, movement, cardiovascular health, and meaningful connection during menopause, with a realistic reading of dementia-prevention research.
What Is Mild Cognitive Impairment (MCI)?
Learn how MCI differs from normal aging and dementia, why it does not always progress, and how evaluation can identify care and treatment options.
What Is Mild Cognitive Impairment (MCI)?
Learn how MCI differs from normal aging and dementia, why it does not always progress, and how evaluation can identify care and treatment options.
Parkinson's in Women: Symptoms, Research, and Care
Parkinson's can affect women differently. Explore symptom patterns, research on sex differences, and why access to individualized specialist care matters.
Parkinson's in Women: Symptoms, Research, and Care
Parkinson's can affect women differently. Explore symptom patterns, research on sex differences, and why access to individualized specialist care matters.
Cognitive Reserve: How the Brain Adapts to Change
Understand cognitive reserve and the research on learning, meaningful activity, and brain resilience. Explore practical habits without a promise of prevention.
Cognitive Reserve: How the Brain Adapts to Change
Understand cognitive reserve and the research on learning, meaningful activity, and brain resilience. Explore practical habits without a promise of prevention.
DHA and the Aging Brain: Food, Supplements, and...
DHA is part of brain-cell membranes. Learn what food, blood-level studies, and supplement trials tell us about omega-3s and cognitive aging.
DHA and the Aging Brain: Food, Supplements, and...
DHA is part of brain-cell membranes. Learn what food, blood-level studies, and supplement trials tell us about omega-3s and cognitive aging.
Autoimmune Brain Fog: Understanding Possible Co...
Brain fog can accompany autoimmune illness. Learn how fatigue, sleep, pain, inflammation, and thyroid changes can affect concentration and care.
Autoimmune Brain Fog: Understanding Possible Co...
Brain fog can accompany autoimmune illness. Learn how fatigue, sleep, pain, inflammation, and thyroid changes can affect concentration and care.
Why Do More Women Have Autoimmune Diseases?
Explore how genes, hormones, and other factors may contribute to autoimmune disease patterns, and why the explanation differs between conditions.
Why Do More Women Have Autoimmune Diseases?
Explore how genes, hormones, and other factors may contribute to autoimmune disease patterns, and why the explanation differs between conditions.
Surgical Menopause and Your Brain: What to Know
Removing both ovaries differs from hysterectomy alone. Learn about abrupt hormone changes, brain research, and questions for your care team.
Surgical Menopause and Your Brain: What to Know
Removing both ovaries differs from hysterectomy alone. Learn about abrupt hormone changes, brain research, and questions for your care team.
Early Menopause and Dementia Risk: What Studies...
Understand the link between earlier menopause and later dementia diagnoses, how surgical menopause differs, and what to discuss with your clinician.
Early Menopause and Dementia Risk: What Studies...
Understand the link between earlier menopause and later dementia diagnoses, how surgical menopause differs, and what to discuss with your clinician.
