- Relative inactivity
- Superimposed on native metabolic rate
- Genetic predispositions
- Secondary causes uncommon: endocrine→ cushings; congenital→ Prader-Willi
- Sob/doe from deconditioning
- Chest pain, shortness of breath from cardiovascular disease
- SOB from obesity induced restrictive lung disease (abdominal obesity limits descent of diaphragm)
- Fatigue from sleep apnea
- Joint pain from osteoarthritis
- OSA risk increased w/neck circumference >17inches men, >16inches women
- OSA risk increased if can't see back of throat
- Abdominal obesity and excess fat elsewhere