This girl has always looked to me that she did not get sufficient nutrition when she was young.
As a young child she starved herself:
She cried in her classes and during her breaks, and the teachers called home almost every day,” Ernman writes, recalling her fifth-grader’s sudden spiral in 2014. “She had disappeared into some kind of darkness and appeared to stop functioning.”
Thunberg had stopped playing piano, stopped laughing, stopped talking. She would eat only minuscule bites of certain foods prepared in a certain way by her agonised parents, who watched as it took their daughter hours to finish a plate of three or four gnocchi. Within months, Thunberg had lost 20 pounds (9kg), and her pulse and blood pressure showed signs of starvation.