Factors Influencing Nutrient Needs: Age, Gender, Activity, Pregnancy - Lecture Notes

Factors Influencing Nutrient Needs Age, Gender, Activity, Pregnancy, and Dietary Guidelines Dr. Asif Ahmad Introduction to Nutrient Needs - Brief overview of why nutrient needs vary. - Factors: Age, Gender, Physical Activity, Pregnancy, Environment, etc. Over...

Factors Influencing Nutrient Needs Age, Gender, Activity, Pregnancy, and Dietary Guidelines Dr. Asif Ahmad Introduction to Nutrient Needs - Brief overview of why nutrient needs vary. - Factors: Age, Gender, Physical Activity, Pregnancy, Environment, etc. Overview of Dietary Guidelines - What are dietary guidelines? - How they are developed (based on population needs and scientific evidence). - Graphic: Visual of food groups or a dietary pyramid. Food Pyramid Age as a Factor - Infancy and Childhood: Rapid growth and nutrient density. - Adolescence: Higher needs for energy, calcium, iron, etc. - Adulthood: Maintenance of health, energy, and metabolism. - Older Adults: Decreased caloric needs but increased nutrient density. - Image: Life stages with corresponding nutrient recommendations. Diagram identifying key nutrients for physiological functioning from dietary sources. A All nutrients identified from dietary sources thatare required for proper human body functioning. B Examples on nutrient benefits for different human life stage Gender and Nutrient Needs - Differences in body composition and metabolism. - Nutrient differences for men vs. women (iron, calcium, etc.). - Special considerations: Menopause, hormonal differences. Physical Activity and Nutrient Needs - Energy expenditure in active individuals vs. sedentary. - Macronutrients (carbs, proteins, fats) based on activity level. - Importance of hydration and electrolytes. - : Athlete vs. sedentary person with nutrient breakdown. Pregnancy and Nutrient Need - Key nutrients: Folate, Iron, Calcium, DHA, Protein. - Dietary adjustments for pregnancy and lactation. - Risks of malnutrition during pregnancy. - Image: Pregnant woman with emphasis on key nutrients. Environmental and Lifestyle Factors - Climate, urbanization, access to food, socio- economic factors. - Nutrient bioavailability and environmental pollutants. -: City vs. rural environment or sustainable vs. processed food. Health Status and Nutrient Needs - Chronic diseases (diabetes, cardiovascular diseases, etc.). - Immune system and nutrition. - Impact of stress, medications, and illness on nutrient absorption. - Graphic: Health conditions with corresponding nutritional considerations. Body Composition and Metabolism - Role of body composition (muscle mass vs. fat) in nutrient needs. - Basal metabolic rate (BMR) and its influence.