Why is it, that the one time you would really appreciate luscious, thick hair - when you're feeling sleep deprived, covered in milk and baby spit up, and likely haven't showered for a few days - your hair starts falling out! And more importantly, is there anything that can be done? We let today's expert fill us in.Lily Nichols is a Registered Dietitian/Nutritionist, Certified Diabetes Educator, researcher, and author with a passion for evidence-based nutrition. Her work is known for being res...