Simply Younger Journal

Knocks that would’ve done nothing at 25 now leave a mark for a week. It’s not fragility for its own sake — it’s your skin and blood-vessel support changing. Here’s the plain-English science.

Deep inside every cell sit thousands of tiny power plants that make your usable energy. With age they run smaller and slower. Here’s the plain-English science of mitochondrial decline.

The same workout that left you sore for a day at 25 now costs you three. Here’s the plain-English science of why muscle recovery slows with age — and how to train smarter for it.

Near-infrared light is invisible to your eyes but penetrates skin more deeply than visible light. Here’s the plain-English science of the light your body absorbs but never sees.

A tiny copper peptide called GHK-Cu was discovered in the 1970s and studied for decades. Here’s the plain-English story of the science — and the leap that changed how people thought about it.

The 3pm energy crash isn’t just about lunch. It’s a collision of your circadian rhythm and how your cells make energy. Here’s the plain-English science of the afternoon dip.

Collagen molecules are far too large to pass through the skin barrier — so the expensive cream sits on top of the exact layer it’s meant to reach. Here’s the plain-English science of why.

One trace mineral does the literal structural work of cross-linking collagen and elastin — the fibres that keep skin firm. Here’s the plain-English science of copper and your connective tissue.

When men over 40 tighten up their wellness routine, the first change they notice is rarely the one they expected. Here’s why — and what subjective wellness experiences can and can’t tell you.

In your twenties your body repaired damage almost invisibly. After 40 the repair crew slows down. Here’s the plain-English science of why regeneration drops with age — and what still moves the needle.