A healthy diet or balanced diet is a diet that contains the right amounts of all the food groups. It includes fruits, vegetables, grains, dairy products, and protein. It does not include too much or too little of any kind of food. Eating wrong amounts of a food group, whether it be too much or too little, is called an 'unhealthy diet' or an 'imbalanced diet'. A healthy diet is one that includes more foods that come from plants, animals and fewer convenience foods.
Basic nutrition
What is known about nutrition and diet keeps changing as more is learned. However, basic nutrition remains much the same. The best advice is to talk to a doctor or dietitian for personalized information based on an individual's lifestyle, health, and food likes and dislikes.
Basic nutrition should contain balanced amounts of macronutrients for energy. Carbohydrates are one of the three macro-nutrients in the human diet (fat and protein are the other two).
A healthy diet can replace dieting for weight loss. Eating healthy, along with physical exercise and practicing moderation, can lead to better health in the long run.
Special diets
There are some diets made for people with some diseases. Here are some examples: