That cell phone usage caused exhaus

That cell phone usage caused exhaustion or tiredness was reported
by 144people in this study (32.7%) while the rest did not attribute their
getting tired to cell phones. Continuous talking, listening to others, and
using the fingers on the keypad could cause fatigue. Body aches and
other vague pains were reported by 142 (32.2%). This was attributed
to odd postures adopted while conversing on the mobile phone and an
additional effect with headaches