The answer would be vitamin and mineral deficiencies.
The small intestine has a role in food digestion and absorption. Bypassing most of the small intestine will reduce the food transit time there, thus reducing the amount of substance that can be absorbed. These surgery supposed to help diabetes type 2 patient, not making it worse. It should be not related to kidney or muscle.
The spread of corona virus was deadly and affected everyone, even if they weren't infected by the virus itself. Families were seperated, and thousands were killed. The world responded by sharing kindness and love to the people who need it most, and protecting itself by self isolation.
