In the last 40 years, obesity has been constantly rising. This has happened despite the popularity of all kinds of diets ranging from low-carb, paleo or even ice cream based.
Many scientists believe this is because cheap junk food has filled supermarket shelves and fast food takeaways. This food is high in calories and other not-so-healthy ingredients, such as saturated fats, simple sugars and salt. But it's designed to taste delicious. Taste is a dealbreaker when it comes to deciding what to eat, diet plans or not. Yet our understanding of what makes food taste good is limited.
