Breakfast is considered the most important meal of the day, but not all breakfast options are heart-healthy. While some may seem like convenient, nutritious choices, many common breakfast items can silently contribute to high cholesterol levels, increasing the risk of heart attacks and other cardiovascular problems. The truth is, what seems like a quick and easy breakfast could be a threat to long-term heart health. Here are 6 everyday breakfast foods that could be pushing cholesterol levels higher than expected.