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.
Simply eating a balanced, healthy diet will support your body in building white blood cells. There are no specific foods you can eat that will speed up the process. Making white blood cells requires a supply of nutrients, including amino acids and purines. Beans, peas, spinach, and lean protein (like chicken and fish) are rich in these nutrients.