Achondroplasia Support Group

Researchers now have proof nobody's perfect. A new genetic study reveals normal, healthy adults have roughly 400 potentially dangerous DNA mutations.

Learn about Gene Mutation in this educational video from dizzo95.

Angelina Jolie has made the surprising announcement that she's undergone a double mastectomy. Doctors discovered she carries a gene mutation that dramatically increases her chances of getting breast cancer. So what is this gene, and how do women go about testing for ...

Angelina Jolie's op-ed lays bare her decision to have a double mastectomy after learning she has BRCA1, the gene mutation that increases her chances of contracting breast cancer to 87%. We talk to those who faced the same decisions and learn more. Guest Lizzie Stark ...

Full Segment: Angelina Jolie's op-ed lays bare her decision to have a double mastectomy after learning she has BRCA1, the gene mutation that increases her chances of contracting breast cancer to 87%. We talk to those who faced the same decisions and learn more.

Angelina Jolie's op-ed lays bare her decision to have a double mastectomy after learning she has BRCA1, the gene mutation that increases her chances of contracting breast cancer to 87%. We talk to those who faced the same decisions and learn more.

Angelina Jolie's op-ed lays bare her decision to have a double mastectomy after learning she has BRCA1, the gene mutation that increases her chances of contracting breast cancer to 87%. We talk to those who faced the same decisions and learn more.

After her mother was diagnosed with breast cancer in 2009, Dani, 31, underwent a genetic test, and was found to be positive for the BRCA 1 gene mutation, commonly referred to as the breast cancer gene.

Actress Angelina Jolie recently tested positive for the BRCA gene mutation, putting her at significant risk for developing breast cancer. OB/GYN Dr. Lisa Masterson weighs in.