Unhealthy snacks can undo an otherwise nutritious diet, something cardiologists often see in practice.

Patients might eat a healthy breakfast, lunch and dinner but turn to junk food when they need a quick bite between meals.

That small snack can have a big impact on heart health. Yet it's hard to resist the mid-afternoon slump — the cravings for calories win out.

So when it comes to foods cardiologists try to avoid in their own lives, certain snacks have a firm spot on the list.

Cardiologist Tip of the Day: Avoid Potato Chips and Other Packaged Snacks

Don’t eat chips and other ultraprocessed foods sold in vending machines, says Dr. Andrew Freeman, director of cardiovascular prevention and wellness at National Jewish Health in Denver, Colorado.

“Our culture values convenience, whi

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