For most people with bladder cancer, the first red flag is literally red: blood in the urine. But for people with color blindness, that warning sign may be easy to miss — and missing it could prove ...

Could being colorblind make you less likely to survive bladder cancer? That's the surprising hypothesis that researchers have proposed based on a small study. The research, published Jan. 15 in the ...

A retrospective cohort study suggested that people with color blindness may have a higher risk of mortality from bladder cancer compared with those who can see colors. The researchers hypothesized ...