
These five biological shifts influence appetite, energy, muscle, and weight during midlife. Discover why lasting success comes from working with the body's biology, not against it.
5 metabolic shifts that may be driving body changes after 40, and what a more complete approach can look like

I'm Nurse Practitioner specializing in metabolic health for women 40+.
Every week, I meet women who feel frustrated because the habits that once worked no longer do. They're often eating well, exercising consistently, and trying harder than ever, yet their bodies seem to be working against them.
The problem isn't a lack of motivation.
It's that many of the biological systems that regulate appetite, energy, muscle, and weight begin to change during midlife.
My approach combines expert medical care with practical nutrition, strength, and lifestyle strategies to help women work with their biology instead of fighting against it.
I created this guide to help women understand what's changing beneath the surface, and why lasting results often require more than another diet, or another prescription.
© 2026 Megan Dunn, NP. All Rights Reserved. Privacy Policy | Terms & Conditions