Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. People with color blindness ...

Colorblindness may be doing more than making traffic lights confusing — it could also be hiding a life-threatening warning ...

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 ...