These 'brain-healthy foods' lowered the risk of Alzheimer's by 53 per cent in those who stuck to the diet rigidly. For those that followed it moderately well, it lowered the risk by about 35 per cent.
Any foods high in nutrients are a great choice for high energy levels, plus make sure to add food that delivers oxygen to the blood and food that is calorically dense. Examples: dates, dried fruits, water, bananas, oatmeal, sweet potato, buckwheat and brown rice all fall into these categories.
1 Foods with fewer calories per gram such as fruits, vegetables, soups, lean protein-and carbohydrate-rich foods have a relatively low energy density. 2  Foods with a high fat and/or low water content such as chocolate, fried snacks, nuts and crackers have a relatively higher energy density.t is also provided by alcohol. Different food and drinks provide different amounts of energy. The amount of energy (measured in units of calories or kilojoules) a food contains per gram is known as its energy density.