After Frito-Lay issued a recall for some of its Lay's Classic Potato Chips last month, the the U.S. Food and Drug Administration has determined the select bags of snacks pose a serious health hazard.

Check your snacks before the Super Bowl. The Food and Drug Administration has given the highest risk classification to a recall for Lay’s potato chips. The FDA first announced the recall on Dec. 16 after Frito-Lay said a limited number of 13-ounce bags of Lay’s Classic Potato Chips may contain undeclared milk.

More than 6,000 bags of Lay’s Classic Chips have been recalled by the FDA and classified at the highest risk level due to concerns over "undeclared milk." Read on to find out what you need to know.

Class I, according to the FDA, means exposure to or consumption of the product could cause "serious adverse health consequences or death."

Lay’s voluntary recall from December has been increased to the U.S. Food and Drug Administration’s highest risk level classification. On Dec. 13, Frito-Lay recalled more than 6,000 bags of 13 oz. Lay’s Classic Potato Chips due to “undeclared milk.” The affected chips were sold in Oregon and Washington.

Broccoli florets sold in Walmart stores across 20 states that were recalled over bacterial contamination fears have been given the U.S. Food and Drug Administration (FDA)'s highest risk level. A single production lot of the washed and ready-to-eat Marketside Broccoli Florets by Braga Fresh were voluntarily recalled after random testing by Texas Health and Human Services in a store identified the presence of the bacteria Listeria monocytogenes.

Around the same time the U.S. Food and Drug Administration (FDA) updated Costco's Kirkland Signature Smoked Salmon recall to a Class I designation, the organization also updated Walmart's Marketside Broccoli Florets recall to Class I,

CDC officials exposure to listeria can cause of plethora of serious health problems, especially to children and elderly individuals who have weaker immune systems