TEK IMAGE / SCIENCE PHOTO LIBRARY TEK IMAGE / SCIENCE PHOTO LIBRARY
Balanced diet. Scientist selecting a test tube containing vegetables from six, which together represent the components of a healthy diet. The other test tubes contain (from left to right): cereals, fruit, meat, milk and salad. Carbohydrates should make up the largest part of the diet, followed by fresh fruit and vegetables, and proteins. Fats and sugars should make up the smallest part of the diet.
Model release not required. Property release not required.