Weight loss

• Cachexia =/= Mal-nutrition

Etiology DDx

Aging

• Anorexia (loss of appetite) of Aging
  • Hyposmia ↓ (smell)
  • Hypogensia ↓ (taste)
  • ↓ Mastication efficiency
  • ↓ gastric compliance (stomach stretching less)
  • ↓ prolonged GI transit time
  • change in food hormone

Medical

• Malignancy
• Infection
• Benign GI causes
  • Constipation and Diarrhea

Iatrogenic

• Medication (e.g. Semaglutide (Ozempic))
• e.g. Renal diet (Low K): Low K+ and low protein

Social

• Social isolation
• Access to food

Psychological

• Depression Symptom
• Anxiety Symptoms
• Cognitive impairment