Food is any material food consumed to supply nutrition to an organisms. Food is generally of vegetable, animal, or fungal origin and includes vital nutrients, including vitamins, proteins, carbohydrates, or iron. Plants produce food through photosynthesis or respiration. Animals produce food through digestion, which involves passing gas through the stomach and into the small intestine where it is absorbed into the bloodstream. Fungi also produce food, although the majority of food on this planet is made up of bacteria.
There are several types of food: all forms of food have to be rich in nutrients and calories to support an individual’s physical needs. Many fruits, vegetables, nuts, and grains are good sources of nutrition. Milk, cheese, yogurt, eggs, poultry, fish, meats, poultry meat, and other diary products are excellent proteins. Meats should be lean and avoid fat such as butter or excess fat from oil. Fruits and vegetables consist of 90 percent water, so eating a wide variety of fruits and vegetables is the healthiest way to eat. Rice, wheat bread, pasta, potatoes, cereals, corn, etc., are all good carbohydrates.
The most effective way to eat for optimum nutrition is to take in enough food to fulfill your requirements without overeating. It is important to get enough sleep and exercise to keep you healthy and the right nutrition helps to maintain a healthy weight. So the next time you read ‘you can eat more to stay healthy’, the advice is to take in more than enough food and keep it healthy by including the nutrients that are good for you.