A member asked:

A little short of breath while laying flat on back any ideas wht this could its winter right now where i live. my brain goes to the worst lung cancer?

3 doctors weighed in across 2 answers

Cancer unlikely: Lung cancer is very unlikely, however, you need to be evaluated to ascertain the cause of the ailment. If you are overweight, start by losing weight and consult your doctor.

Answered 1/22/2014

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Not lung cancer: Number one cause of shortness of breath when flat is obesity. Your stomach pushes on your diaphram and makes it hard to take a deep breath. Number two cause is, unfortunately, heart failure. If you also have swelling of your feet, this is a cause for added concern.

Answered 5/19/2014

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