We can think of very few people who don't love a delicious juicy burger and fries. There is no denying that fast food is delicious. There is also no denying that fast food is unhealthy.

The unhealthy aspects of fast food that are talked about are usually limited to the number of calories and fat content. However, there are so many other things wrong with fast food and it's unbelievable how little these things are spoken about. For instance, did you know there are more chemicals in a milkshake than an average fertiliser or that almost half of soda fountains contain faecal bacteria? Yes, really!

The fact that shocked us the most, however, was that a McDonald's burger contains so many preservatives that it looks the same even after 14 years. Gross!

For other shocking facts about fast food check out the video above by popular YouTube channel @MostAmazingTop10.