The recommended daily calorie intake for children varies not only by age but also by gender. For example, girls aged 4 to 8 need about 1,200 calories a day, while boys aged 14 to 18 need as many as 2200. Accordingly, ser... More »

www.reference.com Health Nutrition & Diets

It is recommended for females between the ages of 9 to 13 to consume around 1,600 calories a day, which will also have to be adjusted depending on the child's level of daily physical activity. This figure is based on the... More »

Every 3,500 calories one burns is equal to one pound, so to lose 30 pounds, an individual needs to burn about 105,000 calories. According to About, a mathematical formula called the Harris-Benedict principle allows indiv... More »

The recommended daily calorie limit for men ages 19 and above is between 2,000 and 3,000 calories depending on age and activity level, according to WebMD. The absolute minimum daily amount needed by a man is 1,500 calori... More »

The amount of iron an individual should eat in a day depends on the age, gender and health condition of the person, states WebMD. Because infants and toddlers grow quickly, they need more iron than adults. More »

www.reference.com Health Nutrition & Diets

It is recommended for females between the ages of 9 to 13 to consume around 1,600 calories a day, which will also have to be adjusted depending on the child's level of daily physical activity. This figure is based on the... More »

Mayo Clinic explains the number of calories an individual needs to eat per day varies based on body size and composition, gender, age and physical activity levels. Each person needs to first discover his basal metabolic ... More »

www.reference.com Health Nutrition & Diets Nutritional Amounts & Limits