Samsung DM-S105 User Manual
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seCtIon 13 HEALTH AND SAFETY INFORMATION
What is FDA’s role concerning the safety of wireless phones?
Under the law, FDA does not review the safety of radiation-emitting 
consumer products such as wireless phones before they can be sold, as it 
does with new drugs or medical devices. However, the agency has authority 
to take action if wireless phones are shown to emit radio frequency energy 
(RF)	at	a	level	that	is	hazardous	to	the	user.	In	such	a	case,	FDA	could	require	
the	manufacturers	of	wireless	phones	to	notify	users	of	the	health	hazard	
and	to	repair,	replace	or	recall	the	phones	so	that	the	hazard	no	longer	exists.	
Although the existing scientific data do not justify FDA regulatory actions, 
FDA has urged the wireless phone industry to take a number of steps, 
including the following: 
	 •	 	Support needed research into possible biological effects of RF of the 
type emitted by wireless phones;
• Design wireless phones in a way that minimizes any RF exposure to the
user that is not necessary for device function; and
• Cooperate in providing users of wireless phones with the best possible
information on possible effects of wireless phone use on human health.
FDA belongs to an interagency working group of the federal agencies that 
have responsibility for different aspects of RF safety to ensure coordinated 
efforts at the federal level. The following agencies belong to this working 
group: 
	 •	 National Institute for Occupational Safety and Health 
	 •	 Environmental Protection Agency 
	 •	 Federal Communications Commission 
	 •	 Occupational Safety and Health Administration 
	 •	 National Telecommunications and Information Administration 
The National Institutes of Health participates in some interagency working 
group activities, as well. 
FDA shares regulatory responsibilities for wireless phones with the Federal 
Communications Commission (FCC). All phones that are sold in the United 
States must comply with FCC safety guidelines that limit RF exposure. 
FCC relies on FDA and other health agencies for safety questions about 
wireless phones. 
FCC also regulates the base stations that the wireless phone networks 
rely upon. While these base stations operate at higher power than do the 
wireless phones themselves, the RF exposures that people get from these 
base stations are typically thousands of times lower than those they can get 
from wireless phones. Base stations are thus not the primary subject of the 
safety questions discussed in this document. 
What are the results of the research done already?
The research done thus far has produced conflicting results, and many 
studies have suffered from flaws in their research methods. Animal 
experiments investigating the effects of radio frequency energy (RF) 
exposures characteristic of wireless phones have yielded conflicting 
results that often cannot be repeated in other laboratories. A few animal 
studies, however, have suggested that low levels of RF could accelerate 
the development of cancer in laboratory animals. However, many of the 
studies that showed increased tumor development used animals that had 
been genetically engineered or treated with cancer-causing chemicals 
so as to be pre-disposed to develop cancer in absence of RF exposure. 
Other studies exposed the animals to RF for up to 22 hours per day. These 
conditions are not similar to the conditions under which people use 
wireless phones, so we don’t know with certainty what the results of such 
studies mean for human health. 
Three large epidemiology studies have been published since December 
2000. Between them, the studies investigated any possible association 
between the use of wireless phones and primary brain cancer, glioma, 
meningioma, or acoustic neuroma, tumors of the brain or salivary gland, 
leukemia, or other cancers. None of the studies demonstrated the existence 
of any harmful health effects from wireless phones RF exposures. However, 
none of the studies can answer questions about long-term exposures, since 
the average period of phone use in these studies was around three years.