Eric Walker added Gallstones to Human gallbladder, and added Human gallbladder to Human physiology

Eric Walker added Scientists Just Solved a Mystery of How Gallstones Form | Discover Magazine to Gallstones, and added Gallstones to Human gallbladder

Eric Walker added a number of topics and Inflammation's Hidden Role in Weight Loss - The Atlantic and How to know if you're hungry or just thinking you're hungry : coolguides to Human biology and physiology, and added Human biology and physiology to Humans and Physiology