Peak flow demonstrates how quickly you can blow air out of your lungs. The peak flow meter is marked so you can determine how much air you can blow out. The better your asthma is controlled, the more air you will be able to blow out.
[T]he data show that the main constituents of a healthy brain diet include fruits, vegetables, legumes, nuts, fish, lean meats, and healthy fats such as olive oil, Jacka told Scientific American.
Fruits, vegetables, and whole grains, raw or steamed vegetables, nuts, and foods made with whole wheat all help with keeping your body and brain healthy. Healthy foods help with concentration for school and work. Eating healthy also helps with energy levels and positive thinking.