Add Yahoo as a preferred source to see more of our stories on Google. Anna Mockel was 14 and suddenly obsessed with losing weight. It was spring 2020, and she had just graduated eighth grade remotely.

When Mallary Tenore Tarpley was 11 years old, her mother died from breast cancer. Her father, who was reeling from his wife's death and at a loss to guide his daughter through puberty, gave Tarpley a ...