The Fear: The electromagnetic fields around electric power lines can give you cancer.
The Reality: A 1979 study found that the incidence of childhood leukemia was higher in Denver neighborhoods near high-voltage power lines. But more recent studies show no such correlation. Stepping on a downed live power line is the real threat— otherwise, you’re fine. The electromagnetic waves given off are the safer, nonionizing kind and are at an extremely low frequency.
Will It Kill You? No. Power lines are worse for property values than for your health.