@Makrosky is steering you the right way. Start reading Ray Peat's work. Understand the body, its energy system, and how to properly nourish it. Before finding Ray Peat's work, many of us thought we were doing everything healthy, and yet, we were killing ourselves. Then once you start digging into his articles, the picture starts to become clear and then you can start to turn the metabolic corner and switch yourself into regenerative energy. Your sister is young, so she might bounce back faster then you think. Natural light, nourishing food, low stress, and surrounded by love can do wonders.
Hoping the best for your sister. You are on the right track finding Ray's work.
Hoping the best for your sister. You are on the right track finding Ray's work.