Research & Insights

The Science Behind What You Feel

Evidence-based articles on perimenopause, cognitive health, HRT, and the nutritional science behind Kwayah — written for women who want real answers, not reassurance.

Featured Article

Woman in morning light doing a mindful routine at a bright kitchen counter
Cognitive Performance

The Morning Routine That Actually Protects Your Brain in Your 40s

Most brain health advice ignores the specific physiological changes women face in their 40s. Here is what the research actually says about protecting cognitive function during perimenopause — and the daily habits that make a measurable difference.

8 min
June 1, 2026Read Article

All Articles

Woman resting in a softly lit bedroom, hands folded, eyes closed
Perimenopause
9 min

What No One Tells You About Sleep and Hormones in Perimenopause

Sleep disruption in perimenopause is not just a symptom — it is a driver of nearly every other complaint women attribute to this transition. Understanding the hormonal mechanisms behind it changes how you approach both treatment and prevention.

Dr. Sarah ChenDr. Sarah Chen
Stay Informed

The Science Behind Your Symptoms, Monthly.

Evidence-based research summaries for women navigating perimenopause, HRT, and cognitive health. No fluff. No selling. Just what you need to know.

Read the Peri Gazette