Deborah Feyerick is a CNN correspondent. See part one of this series Witnesses to Hunger: A portrait of food insecurity in America and read producer Sheila Steffen's $30 grocery challenge

Six-year-old Juvens Lewis jumps on the scale, his tiny body lost in a flowing hospital gown. He weighs in at 37.2 pounds, the size of an average 4-year-old. Giggling, he heads back to his examining room as sounds of children filter into the busy hallway. All are getting check-ups at Boston Medical Center’s Grow Clinic, which treats underweight and malnourished kids.

“People think about acute malnutrition and they may look at Somalia. What we see is chronic malnutrition, stunted growth, kids that are the size of a 1-year-old when they’re 2 years old,” says Dr. Megan Sandel who treats Juvens adding, “They’re not going to be able to make up for that for the rest of their lives.”

Read - Childhood malnutrition has long lasting effects

On World Food Day, people are coming together from all over the globe to end hunger. Take action in your community and around the world. by visiting WorldFoodDayUSA.org and Facebook to see what's happening near you.

Previously:

– Living on food stamps and charitable assistance

The food stamp challenge results: eating on $30 a week

Could you live on $30 a week?

5 Shocking statistics about hunger

Witnesses to Hunger: A portrait of food insecurity in America

Childhood malnutrition has long lasting effects

Criticism aside, food stamp program is "an essential lifeline" for 46 million people

"A time of record need" for food insecure

Lawmakers eat on a food stamp budget

– School lunch as a lifeline

When school's out for summer, stomachs grumble

In Kenya, when school is out, children face starvation

Hungry at the holidays

Feeding "motel kids"

– Celebrity chefs pitching in

Tom Colicchio talks childhood hunger

Eric Ripert - Feeding the needy with fancy fish

Michel Nischan talks fixing a broken food system and helping out fishing families in the Gulf

– Starvation in Somalia

What starvation feels like

The funny sounding nut paste that's saving children's lives in Somalia

"Feed the world's children. This, we should be able to do."

Catch up on all Eatocracy coverage of hunger and food deserts

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