Reader questions about metabolism and longevity
Blood sugar, weight, cholesterol and the liver.
2 answers about metabolism, each one with its study. Updated November 5, 2026.
- Is Ozempic the same as GLP-1?New this month
No, not exactly. GLP-1 is a gut hormone, and "GLP-1 drugs" are a family of medicines built around it. Ozempic is a brand name. Semaglutide is the medicine…
- Can fatty liver be reversed?New this month
It depends. Official guidance says weight loss can reduce fat in the liver, and may reduce inflammation and scarring too. Activity helps even without weight loss. We don't…