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 for me. Is this true? Does it cause clots, or is it safe for me to do? -- R.C.
ANSWER: Factor V Leiden is a common genetic variant that increases a person’s risk for developing a blood clot. However,…