(London) -- A ten-year study by the World Health Organization provided no
clear answers about whether cell phone usage can make people more susceptible to brain tumors.
Experts studied roughly 13-thousand cell phone users and couldn't conclude
any risk of tumors.
However, researchers with the group say it's still too soon to rule out the
Last month, a group of European scientists launched what will become the
largest study concerning potential health impacts of long-term cell phone use.
Scientists plan to study a quarter-million people for as long as 30 years.