How smartphone addiction may be hurting our brains

by MichaelaMJsEnglish
>> Maurice: HOW MUCH TIME DO
YOU SPEND DOING THIS.
ACCORDING TO A SURVEY, THE
AVERAGE SMARTPHONE USER SCROLLS
THE EQUIVALENT OF 78 MILES A
YEAR.
THAT'S THREE MARATHONS.
MAY BE GOOD EXERCISE FOR YOUR
FINGER, BUT THERE IS EVIDENCE IT
MAY BE HURTING YOUR BRAIN.
MEG OLIVER HAS TONIGHT'S
"EYE ON AMERICA."
♪ ♪
>> Reporter:
KATY PAIGE ROSENBERG, A FRESHMAN
AT THE UNIVERSITY OF
NORTH CAROLINA, ASHEVILLE...
>> TWO SUCCESSES, TWO FAILURES.
>> Reporter: RECENTLY REALIZED
WHAT TOO MUCH SCROLLING WAS
DOING TO HER.
HOW MANY HOURS WERE YOU SPINNING
ON YOUR PHONE?
>> OH, GOD, PROBABLY LIKE...
NINE?
>> Reporter: NINE HOURS?
>> I WAS JUST KIND OF CONSTANTLY
ON IT.
>> Reporter: YOU MAY HAVE
HEARD STORIES LIKE HERS BEFORE.
>> I WASN'T ABLE TO FOCUS
BECAUSE I WOULD HAVE TO TAKE OUT
MY PHONE EVERY COUPLE OF
MINUTES.
>> Reporter: BUT NOW YOU CAN
ACTUALLY SEE THE SCIENCE BEHIND
IT.
>> SMARTPHONES HAVE
WIDE-REACHING CHANGES ALL OVER