Like many people, I probably drink more coffee and eat a few more carbs than I should. That combination can lead to some serious swings in my energy levels during the day. Caffeine and carbohydrates are just a couple of the topics covered in TED-Ed lessons about the science of food. Here are seven TED-Ed lessons that address elements of the science of food.

How Does Caffeine Keep Us Awake? explains what caffeine is and where it is found. The lesson also explains how the body adapts to regular doses of caffeine and what happens when you stop consuming caffeine.

How Sugar Affects the Brain is a TED-Ed lesson through which students learn why sugary foods and beverages can become addictive and how the human body processes sugar. The video is embedded below.

How Do Carbohydrates Impact Your Health? teaches students the basics of what carbohydrates are, the types of foods that are rich in carbohydrates, and how the human body processes carbohydrates.

What’s the Big Deal With Gluten? is a lesson that teaches students what gluten is and where it is found. The lesson also addresses why some people are allergic to gluten and why some people just think they’re allergic to gluten.

How the Food You Eat Affects Your Gut is a TED-Ed lesson through which students can learn about the gut microbiome that helps your body maintain its immune system and the best foods to maintain a healthy gut microbiome.

How the Food You Eat Affects Your Brain takes a look at the composition of the human brain and the foods that have an impact on how the brain functions. Like the lesson about gut health, this lesson includes a list of the foods that can have a positive impact on your brain’s function.

This last one is a bit of physics lesson. Why is Ketchup so Hard to Pour? uses ketchup to explain why non-Newtonian fluids can transform from solid to liquid so quickly.