glp 1 for people not overweight Weight loss with GLP-1 medicines does result in a disproportionate loss of muscle mass or function in obese mice and humans: Cell Reports Medicine GLP-1 Genetics: How Genes Affect

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This section addresses why this happens and when it matters

This overlap suggests that FOXO4s activation by oxidative stress and inflammation might follow similar mechanisms, pointing to a broader role of FOXO4 in stress and immune response contexts

But what's really going on under the skin

Cleveland Clinic explains that muscle tissue is metabolically active, meaning it requires more energy to maintain than fat tissue. When muscle mass decreases, resting energy expenditure may also decrease. Harvard Health Publishing explains that muscle tissue influences resting metabolic rate, meaning it affects how many calories your body uses at rest. Mayo Clinic explains that strength training helps maintain and build muscle, improve balance, and support everyday physical tasks. The American Cancer Society notes that strength training supports daily function, mobility, and overall physical health. The takeaway is simple: pair weight loss with resistance training so your body keeps getting a clear signal to use and maintain muscle