In your genes: Marfan syndrome is caused by a mutation in in the gene that codes for fibrillin-1. You cannot change your genes. Abnormal or deficient fibrillin production affects the structure of your eyes, heart, blood vessels, and bones and ligaments. The severity of effects in different individuals is highly variable.
Answered 11/28/2017
4.6k views
A doctor has provided 1 answer
10 doctors weighed in across 2 answers
5 doctors weighed in across 2 answers
A doctor has provided 1 answer
23 doctors weighed in across 2 answers
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question