A member asked:

Can lifestyle and environment impact the severity and development of genetic diseases?

A doctor has provided 1 answer
Dr. Peter Francis answered

Specializes in Ophthalmology

Yes: Many common conditions are determined by a combination of genes and the additional, potentially interactive, effects of environmental factors. Examples would include cardiovascular disorders and age-related macular degeneration. Where the genetic disorder is caused by only a single gene, then the effect of the gene predominates but environmental factors still have a role, eg cystic fibrosis.

Answered 12/10/2015

5.2k views

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