Deoxyribonucleic acid, or DNA, holds the key to unlocking many mysteries.
Law enforcement began using DNA profiling in the 1980s to solve decades-old crimes. Today, tens of thousands of people have invested time and money into finding answers regarding their health, heredity and ancestry through commercial DNA testing companies. Now, the same science may prove critical to solving yet another mystery: what makes a veteran, at the rate of 20 a day, choose to take his or her own life? More importantly, does DNA offer a path toward predicting who’s likely to make that choice?