Category: Longevity

An honest PerfectAmino review from a 50-year-old who takes it daily: what it is, what the claims are, the downsides, who it suits, and how I measure results.

Muscle mass and strength are among the strongest predictors of how long and how well men live. The research, and how to build, feed and track muscle after 40.

Can a smart scale really measure body fat and muscle? How bioimpedance works, how it compares with DEXA, and the 7 rules that make home readings worth trusting.

Fasted workouts promise faster fat loss. For men over 40 the real question is muscle. What the research shows, who it suits, and how to do it without losing size.

Most diets after 40 strip muscle along with fat. These five evidence-based rules keep the muscle, lose the fat, and show you how to prove it with real data.

The largest metabolism study ever run found it barely changes between 20 and 60. So why do men gain weight after 40? The real cause, and what to do about it.

What is metabolic age, how is it calculated, and can you trust it? A plain guide for men over 40, plus the four levers that actually bring the number down.

Normal weight, soft middle, shrinking arms? Skinny fat is common in men over 40. Here is what causes it, why BMI misses it, and how to fix and track it.

GLP-1 drugs take weight off fast, but a share of it can be lean mass. Here is what the trials show and how men over 40 can protect and track their muscle.

Anabolic resistance means your muscles respond less to protein as you age. Here is the science, the per-meal fix, and how to measure whether it is working.