Will beginning Yoga effect my blood test?I have many hormone problems and my doctor is testing me in all of them bye doing a blood test and I don't want to do anything that would effect them because I need to know the levels of my hormones,I also have Rheumatoid arthritis and he is going to test me on that with a blood test.Will begging yoga effect me hormone blood test,my arthritis blood test and my thyroid blood test?