According to the Mayo Clinic, all children need protein, fruits, vegetables, grains and dairy as part of their diet. Calorie requirements change with age, ranging from a low of 1,000 calories per day for a toddler or preschooler to up to 3,200 calories per day for a teenage boy. Helpguide.org points out that children should limit their intake of sugar and salt, choosing fresh foods over processed foods where possible.Know More
Helpguide.org explains that toddlers and young children should eat two servings of protein per day, four servings of whole grains, two servings of fruits and vegetables and three servings of milk, which is the equivalent of one pint of milk per day.
School-age children need six to 11 servings of whole grains per day, two to three servings of protein and two to three servings of dairy products, according to Helpguide.org. In addition, they should eat three to five servings of vegetables and two to four servings of fruit. Children at this age need to make sure they are ingesting enough zinc, which helps with memory.
According to Helpguide.org, during the teenage years, children gain 20 percent of their adult height and 50 percent of their adult weight. This means they need a significant increase in calories, most of which should be eaten in the form of lean protein, low-fat dairy and whole grains. Teens need 45 to 60 grams of protein per day to help maintain muscle; vegetarians must pay special attention to this need and get protein from non-animal sources, such as soy foods, beans and nuts. In addition, teens often need additional calcium and iron.Learn more about Nutrition & Diets
The symptoms of irritable bowel syndrome (IBS) can be greatly affected by dietary interventions and combined with other lifestyle changes, these can be sufficient for mild cases, according to Mayo Clinic. Dietary changes that often help IBS include eliminating foods that encourage gas in the intestines, eliminating gluten and selectively eliminating FODMAP carbohydrates.Full Answer >
Human dietary needs change throughout the life cycle. Infants rely on breast milk or formula to get their nutrients, while older adults require fewer calories to maintain their weight than a younger adult might require. By the time an adult reaches late adulthood, he or she will require much fewer calories than during his or her teenage years. It is important for older adults to keep this in mind to avoid gaining too much weight later in life.Full Answer >
Dietary lipids include both saturated and unsaturated fats and oils. Major sources of saturated, or unhealthful, dietary fats are meat, dairy cream, coconut oil and cheese. Olives, avocados and almonds are excellent sources of beneficial unsaturated lipids.Full Answer >
According to Elle, a model's diet concentrates on boosting energy and metabolism. The magazine notes that preparation in terms of meals is key to a model's diet.Full Answer >