How is mama feeling physically Esperanza rising?

In the novel "Esperanza Rising" by Pam Muñoz Ryan, Mama experiences physical exhaustion and deteriorating health due to the strenuous work she undertakes in the agricultural fields. The demanding labor conditions and lack of proper rest and nutrition take a toll on her body, leading to fatigue and weakness. Mama's declining physical health serves as a poignant reminder of the challenges faced by migrant workers during the Great Depression era.