DEAR DR ROACH: I have Factor V Leiden, but I have been wanting to do testosterone replacement therapy. I have heard that testosterone causes blood clots. Obviously, with FVL, that would be a huge deal ...

You might have heard that “you can't choose your family,” and the same applies to the genes you inherit from them. Everyone is born with two copies of the factor V (pronounced “factor five”) gene.

Genetic research in Sweden has unveiled three new gene variants that dramatically increase the risk of venous blood clots, sometimes by up to 180%. These discoveries build on existing knowledge of ...

Patients with PTGM, factor V Leiden, or double heterozygosity demonstrated a greater incidence of VTE compared with individuals who were wild-type. Double heterozygosity (DH) for factor V Leiden (FVL) ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Dear Dr. Roach: I have Factor V Leiden, but I have been wanting to do testosterone replacement therapy. I have heard that ...