Abstract
Background: Globally obesity rates have more than doubled since 1980 from 5% to 10% in men and 8% to 14% in women. At least 2.8 million people die each year globally, as a result of being overweight or obese. Objective: to study correlation of pulmonary function abnormalities with Serum Lipids and Physical Parameters. Materials & Methods: This was a prospective study done on 40 obese patients during the period from January to December 2012 attending to the Dr. D. Y. Patil Hospital, Mumbai. Results: Obesity is associated with decreased FVC, FEV1, MMEFR, and Restrictive Pattern of PFT. Obese individuals who have undesirable range of hypercholesterolemia tend to have restrictive pattern of pulmonary function test. Undesirable range of hypertriglyceridemia is not associated with any significant abnormality. Body Indices and duration of obesity do not have any significant correlation with lung volumes.
 Conclusion: It was concluded that Obesity is associated with decreased forced vital capacity. Body mass index, waist hip ratio and triceps fold thickness do not have any significant correlation with lung volumes.
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