Snippet from the article:
Men who lose their hair may have more to worry about than just vanity, especially if their balding starts early.
Researchers have long known about the potential link between baldness and the risk of prostate cancer, but studies have been conflicting. Now a study of African-American men shows a higher risk of prostate cancer among men losing their hair, supporting the results of a previous study that found similar results in a group of primarily Caucasian men. In the current study, published in Cancer Epidemiology, Biomarkers & Prevention, researchers focused specifically on African-American men, since they have the highest rate of prostate cancer among men in the U.S. and are twice as likely to die of the disease than these men.
Read the rest at Time.com — The Link Between Early Baldness and Prostate Cancer