填空题 Could your cellphone 1 ? Whether it could or not, some people are worrying about the possibility that phones, 2 and wi-fi could be responsible for a range of illnesses, from rashes to 3 .
Millions of people say they suffer from headaches, 4 , nausea and rashes when they"re 5 or other sources of low-level electromagnetic fields, or EMFs.
Although the World Health Organization has officially 6 that EMFs seem to pose little threat, governments 7 . In fact, last April, the European Parliament called 8 to take steps to reduce exposure to EMFs. The city of San Francisco and the state of Maine are currently 9 requiring 10 on cellphones.
If these fears are justified, then perhaps we should all 11 the amount of time we spend 12 or plugging into wi-fi hotpots.
Studies so far suggest a weak connection between EMFs and illness— 13 that it might not exist at all. 14 of cellphones and brain cancer, in 13 countries 15 , has been underway for several years. It"s funded in part by the European Union, in part by 16 . The final report should come out later this year, but data so far don"t suggest a strong link between cellphone use and cancer risk.
According to Robert Park, a professor emeritus of 17 at the University of Maryland in the U.S., the magnetic waves 18 to break apart DNA, which is how known threats, such as UV rays and X-rays, cause cancer.
Perhaps it"s just psychological. 19 find that the electro-sensitivity syndrome seems to be similar to chemical 20 syndrome, which is a condition that"s considered to be psychological.
Whether EMFs are harmful or not, a break in the countryside, without the cellphone, would probably be good for all of us.