With age, some hormones that help muscles (like IGF-1 or growth hormone) decrease. Muscle recovery is slower, nutrient absorption becomes less efficient… in short, the body slackens.
Not really “muscle-friendly” habits
Small habits that weaken muscles include skipping meals, avoiding protein, not exercising enough, and sitting or being inactive too much. Inactivity is even the leading risk factor. And don’t forget about vitamin D deficiency, which is widespread in France and impairs muscular tone.
Some quiet diseases.
Diabetes, thyroid disorders, chronic inflammation, and even neurological diseases can exacerbate muscle loss, sometimes without obvious symptoms.
