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 eatwell plate shows that to have a healthy, balanced diet, people should try to eat: 1  plenty of fruit and vegetables. 2  plenty of starchy foods, such as bread, rice, potatoes and pasta. 3  some meat, fish, eggs, beans and other non-dairy sources of protein. 4  some milk and dairy foods.hen it comes to a healthy diet, balance is the key to getting it right. This means eating a wide variety of foods in the right proportions, and consuming the right amount of food and drink to achieve and maintain a healthy body weight.