đ The main causes:
Time passesâŚ
With age, certain hormones essential for muscle maintenance (such as IGF-1 or growth hormone) decrease.
Muscle recovery slows down, nutrient absorption becomes less efficient⌠In short, the body weakens.
Habits that are not “muscle-friendly”:
Skipping meals, avoiding protein, not getting enough exercise, sitting for too long…
⤠Inactivity is even the number one risk factor.
Vitamin D deficiency
is very common in France and has a direct impact on muscle tone.
Some silent diseases (the rest of the text seems to continue).
