6 Forgotten Fast Food Items That Were Actually Dangerous

1. KFC’s ‘Double Down’ – The Heart Attack Sandwich

Back in 2010, KFC replaced the bun with two slabs of fried chicken, then stuffed bacon and cheese in between. The result was a 540‑calorie, 32‑gram fat monster that cardiologists publicly begged people to avoid. One man claimed he felt his left arm go numb after finishing one, and the sandwich was quietly discontinued in most countries by 2014.