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Key Components of a Nutritional History
➤ When obtaining a nutritional history, clinicians should
systematically evaluate the following areas to ensure a complete
understanding of dietary and behavioral contributors to obesity:
• Prior weight-loss efforts
• Daily meal pattern and timing
• Dietary recall or food records
• Typical diet composition and food groups
• Beverage consumption
• Eating habits and behaviors
• Micronutrient and supplement history
• Medications and substances affecting nutrition
• Allergies and intolerances
Red Flags
• Certain findings in a nutritional history warrant concern and prompt
further evaluation:
▶ Significant unintentional weight loss exceeding 5% to 10% of
body weight.
▶ Lack of weight loss despite signif icantly limited caloric
consumption may suggest a medical condition such as
hypothyroidism or Cushing disease.
▶ Possible eating disorders: Screen as necessary.
▶ Food insecurity or social barriers: If patients cannot afford
healthy food or lack access to it, consider engaging social
services, dietitians, or community resources (e.g., food banks,
nutrition assistance programs).
▶ Physical signs of micronutrient deficiency: During physical
examination, note any clues like glossitis (B-vitamin def iciencies),
poor wound healing (vitamin C or protein def iciency), peripheral
neuropathy (vitamin B12 def iciency), or dermatitis and hair loss
(zinc or biotin def iciency).
▶ Restrictive diets: Diets that eliminate entire food groups can
pose a risk of micronutrient def iciencies. Ensure patients are
educated on risks and monitored for def iciencies.
