In this episode of MASS Office Hours, Dr. Eric Trexler and Dr. Eric Helms answer questions submitted by listeners and viewers in the live chat. Topics include ultra-processed foods, plant-based diets, food swaps, antioxidants, set volume, and much more. The MASS crew goes live for Office Hours every Wednesday night at 7pm eastern time. Be sure to join us for a future episode!  If you'd like to submit a question ahead of time, please use this link:  https://forms.gle/9Ah39mefs8cuVa9H7 Times stamps: 0:00 Introduction 6:42 Ultra-processed foods 21:30 Plant-based diets 26:20 Are plant-based proteins healthier than animal-based? 33:24 Are “food swaps” a viable weight loss strategy? 44:45 Training adjustments for older lifters 53:18 Optimal set volume for muscle growth 56:26 Relationship between capillary density and hypertrophy 1:02:41 Is electrolyte supplementation beneficial? 1:05:25 Training volume during an energy deficit 1:08:49 Will antioxidants from fruits and vegetables interfere with gains? 1:10:39 Should you limit post-workout fiber? 1:11:57 Shifting your body-fat “set point” 1:20:34 Does a better pump yield better growth?