Regular exercise can help people consume less junk food. Which sentence from the article provides the BEST support to the statement above?

Processed and fried foods, such as cold cuts, store-bought baked goods, candy, and chips don’t have many of the nutrients our bodies and brains need, Richardson says.

In a May 2020 study, researchers showed that a junk food diet can be particularly bad for teen brains.

Junk food may trigger attention-related problems because it does not contain the good fats needed to build healthy brain cells, says Richardson.

The first is that the brain's reward system — the one that feels good when we do something we like — becomes less sensitive to food cues.