Gut Makes 95% of Serotonin: Why It Matters for Your Brain
The gut-brain serotonin pathway is the mechanism behind mood swings, anxiety, and brain fog that start in your digestive system.
Mood
Gut-Brain Axis: How Your Microbiome Shapes Mood After 40
Your gut bacteria produce neurotransmitters, regulate inflammation, and talk to your brain in real time. After 40, that conversation changes.
Why women need testosterone too
Testosterone isn’t just for men. Women produce more of it than estrogen by midlife. When it drops in perimenopause, the symptoms are real — and fixable.