Researchers have announcedthat the magnetic fields emitted by one manufacturer’s
security surveillance system, of which type there are 200,000 worldwide, can interfere
with pacemakers and that this interaction can bring on missed or irregular heartbeats,
nausea, breathlessness, dizziness, and even fainting.
A. of which type there are 200,000 worldwide, can interfere with pacemakersand that
B. of which, worldwide, there are 200,000 of that type, and which can interfere with pacemakers, and
C.
...
security surveillance system, of which type there are 200,000 worldwide, can interfere
with pacemakers and that this interaction can bring on missed or irregular heartbeats,
nausea, breathlessness, dizziness, and even fainting.
A. of which type there are 200,000 worldwide, can interfere with pacemakersand that
B. of which, worldwide, there are 200,000 of that type, and which can interfere with pacemakers, and
C.
...
