Medical advice is clear on the long-term benefits of building muscle mass. But between buzz words like “progressive overload,” the fear of injury, and all the varying advice on protein intake, the whole thing can be intimidating. In this episode, you asked and we did the heavy lifting. Host Saroja Coelho is joined by two guests. Dr. Jordan Metzl is a sports medicine physician and author. Tina MacInnes is a women's strength coach and retired doctor.