March 15, 2010 (Atlanta, Georgia) — Using smaller blood tubes decreases the amount of blood collected, does not appear to affect laboratory test results, and reduces the amount of blood drawn overall, ...

When her husband was undergoing cancer treatment, Cindy Perez of Southwest Ranches, Fla., learned about a new blood test that could help find early cancers. The 50-year-old said she felt fine, but her ...