Due to the demands of the fast-paced learning in schools, students nowadays especially the older ones who don't have packed lunches opt for fast or junk foods to fill their stomachs and to save time. To be awake and alert all the time, most of them already drink coffee or energy drinks as boosters. It is already proven that energy drinks can affect kidney health and it's not advised to drink it a few times each day. It's okay to take coffee for caffeine boost once in a while but too much may give you the opposite effect. 

Students must be encouraged to observe proper diet and nutrition to sustain their growing cells and enhance their memory and thinking. It's already given that oxygen is critically needed by the brain cells to be alive and to function well. Aside from oxygen, the following sources of nutrition are proven needed by the brain for development and learning: 

The body uses tyrosine to make chemical messengers that are involved in conditions involving the brain such as mental alertness. It is usually found in protein-rich food. It boosts mental performance and alertness. Some foods rich in protein are fish, beef, chicken, pork, and dairy products like cheese, milk, and yogurt.