reasons for unintentional weight loss experiencing body weight trouble build-up of fluid High weight unwanted weight, unwanted weight, several medical conditions weight gain unwanted weight, experiencing body weight trouble High weight gain unwanted weight, reasons for unintentional weight loss unintentional weight gain build-up of fluid High weight healthline.com unwanted weight, build-up of fluid reasons for unintentional weight loss weight gain as a symptom experiencing body weight trouble healthline.com unintentional weight gain reasons for unintentional weight loss unwanted weight, build-up of fluid several medical conditions Healthline weight problems. reasons for unintentional weight loss experiencing body weight trouble unintentional weight gain