A national research council has recommended more studies take a closer look at the connection between cell phone use by children and pregnant women, and whether or not these wireless devices could damage their health.

According to Reuters, the U.S. National Research Council recently announced their intention to promote more studies into the possibly link between mobile telephone use and brain tumors, although far more show no connection. Wireless devices have become almost ubiquitous, so the researchers want to ensure their safety, Reuters said.

The U.S. Food and Drug Administration asked the National Research Council, which advises Congress and the federal government on scientific matters, to future research on the topic. The Council recently held a meeting of experts, including engineers and biologists, and has now released the full report, Reuters.

The report said most studies have looked only at short-term effects on healthy adults, but that more studies need to be done on multiple, long-term, low-intensity radio frequency (RF) exposure, the report said.

The statement from the council said measuring the amount of RF energy received by juveniles, children, pregnant women, and fetuses from wireless devices and RF base station antennas could help define exposure ranges for various populations, Reuters said.

Children today will experience a longer period of RF field exposure from mobile phones than adults, because they will most likely start using them at an early age, the report said.

Researchers should also analyze the different types of antennas for the amount of RF energy they deliver to different parts of the body, Reuters said.