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Doctor insights on: Obesity And Lung Capacity

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What effects does obesity have on the lungs?

What effects does obesity have on the lungs?

Breathing: Obesity can cause obesity hypoventilation syndrome, or Pickwickian syndrome, which includes obesity, daytime sleepiness and a red face. ...Read more

Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


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Anyone know anything about the lungs and how obesity can cause asthma?

Anyone know anything about the lungs and how obesity can cause asthma?

Lots of research: There is a lot of research going on about this topic actually. One of the things that is very common is that as abdominal and chest girth become more of an issue, stomach contents can get pushed up into the esophagus and cause reflux. That reflux material and gas can actually wash down into the lungs creating bad reaction and asthma attack. ...Read more

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Does a decrease in frc always mean restrictive lung disease? I am not obese. & my fvc was 95% of predicted fev1 was 96% fev1/fvc is 81% w/significant improve. W/bronchodilator, why was frc decreased?

Does a decrease in frc always mean restrictive lung disease? I am not obese. & my fvc was 95% of predicted fev1 was 96% fev1/fvc is 81% w/significant improve. W/bronchodilator, why was frc decreased?

Results are normal: There is a normal range for every test. It could be defined in different fashion & it varies wig test. Normal people could be in 80 to 120% range. More scientifically speaking a normal range should include about 90% of normal people.Your results are in normal range. Reduced FRC does not always mean restrictive lung disease. It could be related to technique. ...Read more

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Mum had breast cancer and dad had lung cancer,both passed away.what are my chances?can I get a full body cancer check? I am clinically obese.

Mum had breast cancer and dad had lung cancer,both passed away.what are my chances?can I get a full body cancer check? I am clinically obese.

Scan not neede: Unless Mums breast Ca was genetically induced thru BRACA any development of breast Ca would be environmental and the issue resolved with mammography. Lung cancer, especially is related to smoking is not passed down in a familiar manner. Basic medical exam yearly should suffice to define need for specific scans. ...Read more

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Cardiac ct, stres tst,holter, cardiac echo all normal.feel tired w air hunger when walk, pain left blade hand.mild reflux,clear lungs.obese.reason?

Cardiac ct, stres tst,holter, cardiac echo all normal.feel tired w air hunger when walk, pain left blade hand.mild reflux,clear lungs.obese.reason?

Exercise: It appears that all of your cardiac tests are normal, and that is very good. I do not see that you listed any lung evaluations, such as pulmonary function tests. This is a suggestion if you continue to have air hunger, as PFT can diagnose asthma or other lung conditions. This may be a matter of being out of shape because of your being overweight. See your doctor for an individualized exercise RX ...Read more

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How do I know if I have gynecomastia or just chest fat because I am obese?

How do I know if I have gynecomastia or just chest fat because I am obese?

Lumpy?: Gynecomastia tends to be a firm, discrete lump, which is centered on the nipple. Fat tends to be soft and distributed more widely, especially in the lower pole of the breast. Obesity often obscures the physical findings for gynecomastia as the chest fills with fat. Lumps in the breast, for men and women, should be checked by a qualified physician to determine the pathology. ...Read more

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Dr. Quang Nguyen
4,553 doctors shared insights

Obesity (Definition)

Having too much body fat. It is different from being overweight, which means weighing too much. The weight may come from muscle, bone, fat, and/or body water. Both terms mean that a person's weight is greater than what's considered healthy for ...Read more