I’m 49. I walk every day. Walking is not why I look like this. After 20+ years as a Nutritionist supporting women with their health and hormones I can tell you the women who feel best at 60 aren’t the ones who walked the most. They’re the ones who lifted heavy and pushed their heart rate consistently. Here are 5 things nobody told you about strength training after 40: 1. You don’t lose muscle to age. You lose it to inactivity. 3-8% per decade after 30 (Volpi et al., 2004). The curve was measured on sedentary women. You don’t have to follow it. 2. Muscle is your largest endocrine organ. It disposes of 80% of post-meal glucose. It releases myokines that run inflammation, brain health, and immune function. Less muscle = more insulin resistance. Period. 3. Walking isn’t cardio. It’s how you offset 8 hours of sitting. The intensity that builds longevity is short and hard. 1 to 2 minute vigorous bursts cut all-cause mortality 40% (Stamatakis et al., Nature Medicine 2022). 4. The hip b...