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Nutrition During Adolescence (Ages 12-19) definitions

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  • Adolescence
    Life stage from ages 12 to 19 marked by puberty, rapid growth, and increased nutritional requirements.
  • Puberty
    Developmental phase triggering hormonal changes, growth spurts, and higher energy and nutrient needs.
  • Growth Spurts
    Periods of accelerated physical development requiring increased calories and nutrients.
  • Calorie Needs
    Daily energy requirements ranging from 1800 to 3200 kilocalories, varying by sex and activity.
  • Fat Intake
    Recommended to provide 25-35% of daily calories, supporting growth and development in this age group.
  • Protein Requirement
    Amount set at about 0.8 grams per kilogram of body weight, aligning with adult recommendations.
  • Carbohydrate Intake
    Stable daily requirement, serving as a primary energy source during rapid growth.
  • Calcium
    Essential mineral for bone growth, with increased importance due to rapid skeletal development.
  • Vitamin D
    Nutrient crucial for calcium absorption and bone health during periods of rapid growth.
  • Iron
    Micronutrient with higher needs in menstruating girls to compensate for blood loss.
  • Fluid Intake
    Recommended daily consumption of 2.3 to 3.3 liters to support metabolic and growth processes.
  • Eating Disorders
    Increased risk during this stage, potentially impacting nutrient intake and overall health.
  • Obesity
    Prevalence rises in this age group, often linked to poor dietary choices and lifestyle factors.
  • Peer Influence
    Social factor affecting food choices, often leading to less healthy eating patterns.
  • Nutrient Absorption
    Process that can be impaired by substances like alcohol, leading to deficiencies.