What Three Hundred Sessions Could Never Do

For eleven years, Maria Gonzalez drove to the DaVita Kidney Care clinic in San Antonio three times a week. Every Monday, Wednesday, and Friday, she sat in the same vinyl chair while a machine did what her failing kidneys could not — filtering toxins from her blood, one four-hour session at a time. Over a decade, she endured more than 1,700 dialysis treatments.…