I strongly recommend viewing the actual source information instead of the cnn article

https://www.unitedforalice.org/home

The 51 million households aren't literally on the verge of starvation, they are "Asset Limited, Income Constrained, Employed" (ALICE) which is similar to being paycheck to paycheck in that they can survive but not thrive:

>When funds run short, cash-strapped households are forced to make impossible choices, such as deciding between quality child care or paying the rent, filling a prescription or fixing the car. These short-term decisions have long-term consequences not only for ALICE families, but for all of us.