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.
The nutrients in fruits, vegetables, fish and nuts help protect your memory. Your brain requires sufficient nutrients to function normally. According to Oregon State University's Linus Pauling Institute, proper nutrition is essential for normal cognition, or thinking skills.