Rare respiratory disease gene carriers actually have increased lung function

New research has revealed the healthy carriers of a gene that causes a rare respiratory disease are taller and larger than average, with greater respiratory capacity. The disease, alpha1-antitrypsin deficiency can result in severely reduced lung capacity due to emphysema. It is found in about 1 in 2,000 people, and occurs when an individual inherits a defective gene copy from both parents.

from Fitness News — ScienceDaily http://bit.ly/1nm1HHB
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