21.   Once the normal diet was resumed, pellet consumption increased and weight gain returned to normal.

22.   The British Diabetic Association says diabetics should eat a normal healthy diet, low in sugar and fat and high in fibre.

23.   After recovering samples of the virus from selenium-deficient mice, the scientists transferred it to healthy animals on normal diets.

24.   But when they went back to a normal diet of crabs, they returned to a more typical hue, writes Bliss.

25.   But when they went back to a normal diet of crabs, they returned to a more typical hue.

26.   It all boils down to eating a normal diet in moderation, not overindulging in a lot of high-fat foods -- and exercising regularly.

27.   Researchers long have known that animals fed a nutritious but low-calorie diet live twice as long as animals on normal diets.

28.   The females ate more and got fatter even on a normal diet, while the males and females both gained weight on a high-fat diet.

29.   The normal diet for chimpanzees at the research center included very little salt, but large amounts of potassium, protein, vitamins and calcium.

30.   The porridge supplements their normal diet of bamboo and fruit.