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The Supplements With Real Evidence for Anxiety and Depression

Before anything else: if you are struggling seriously, please talk to your doctor. This newsletter covers well-researched options that support mental health alongside professional care, not instead of it.

Jul 26, 2026

Why Some People Sweat Through a Shirt in the Summer while Others Stay Dry

It is not fitness, not heat tolerance, and not a hygiene issue. The difference between a heavy sweater and a light one comes down to genetics, gland count, hormones, and in some cases a specific nerve mutation just discovered in 2026.

Jul 24, 2026

The Hidden Biology Behind Midday Tiredness. And the Simple Fixes That Work

The 2pm crash is not about lunch, low willpower, or needing more coffee. It is a hardwired biological event. Here is exactly what is happening and how to work with it.

Jul 21, 2026

Quick Question From Us to You 👋

The people behind Aeviva want to hear from the people reading it.

Jul 20, 2026

Addiction Is Not What You Think It Is. And Almost Everyone Has One.

It is not about drugs. It is not about weakness. It is about a brain doing exactly what it was designed to do, in an environment it was never designed for.

Jul 17, 2026

What Your Tongue Is Telling You About Your Health Right Now

Color, coating, cracks, and texture. Each one is a visible signal from your gut, your blood, your thyroid, and your liver. Here is what to look for.

Jul 15, 2026

For the First Time in Decades, America Is losing Weight

US obesity has dropped from 39.9% to 36.4%. 7.6 million fewer Americans qualify as obese. And one drug class is almost certainly behind it.

Jul 13, 2026

How Your Phone Is Making You Go Blind. Not Slowly. Right Now

Myopia rates have doubled in a generation. Children are losing their vision before they finish school. And the mechanism behind it is not what most people think.

Jul 07, 2026

Your Brain Is Shrinking. Your Diet Is Why

Ultra-processed food physically changes brain structure, breaks down the barrier protecting it, and raises dementia risk by up to 35%. This has nothing to do with your weight.

Jun 30, 2026

Extreme Heat Kills More People Than Any Other Weather Event. And Most People Are Making It Worse Without Knowing

61,672 people died from heat in Europe in a single summer. A fan does not cool your body. And one common cooling mistake can push you straight into organ failure.

Jun 21, 2026

The 3 Most Nutritionally Optimised Breakfasts You Can Make Right Now

Not the healthiest-looking. Not the most Instagram-worthy. The ones that actually do the most for your body based on what the science says breakfast should deliver.