Iron, Gut, and Hormones: The Chain Reaction Nobody Warned You About
# Iron, Gut, and Hormones: The Chain Reaction Nobody Warned You About > **Quick take**: You think loading up on iron is doing your body a favor. But excess fre
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Your Cells Are Running Out of Fuel — And NAD+ Is the Key to Fixing That
By 40, your mitochondria run on half the NAD+ they had at 20. How NAD+ decline and the SIRT3 switch dim your cellular power plants, and what the science says about fighting the brownout.
Senescent Cells Are Not Garbage — They Are the Body's Dark Commanders
# Senescent Cells Are Not Garbage — They Are the Body's Dark Commanders 
The Dark Side of Keto: Your Cells May Be Aging Faster Than You Think
# The Dark Side of Keto: Your Cells May Be Aging Faster Than You Think > **TL;DR:** The keto diet is still the darling of the weight-loss world — but a wave of
Your Cells Have a Paper Shredder — When Does It Start Working Against You?
Autophagy is your cell's recycling crew. But past a critical damage threshold, it switches allegiance — protecting senescent cells instead of clearing them. A 2026 review proposes a threshold model and maps exactly where the betrayal happens.
The Rust Killer: Ferroptosis and the Hidden Driver of Your Aging
Iron is essential. Under the wrong conditions it ignites a molecular chain reaction inside your cells that looks exactly like rust. Scientists only named this process — ferroptosis — in 2012. It may be one of the central engines of aging.