The PSA test, used to screen men for prostate cancer, may fail to detect cancers in about 15 percent of men with test scores within the normal range.
Photo by Todd McNaught
Science Articles
Predicting prevalence
of prostate cancer
Study puts PSA screening to the test — First comprehensive evaluation of prostate-cancer prevalence in men
with 'normal' PSA levels may fuel debate over truth in testing
Dog DNA differences breed insights
First detailed comparison of DNA differences among purebred dogs may help identify genes associated with specific traits or diseases in humans
The long road to recovery
Researchers probe factors that contribute to length of readjustment to normal life after bone-marrow or stem-cell transplantation
Yo-yo dieting: More downs than ups
PHS study finds weight cycling may have long-term negative effect on immune function,
but exercise can lessen detrimental effects