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Oncologist and professor of environmental mutagenesis Angelo Gino Levis and neurosurgeon Dr Giuseppe Grasso gave evidence supporting Mr Marcolini's claim.
They argued that mobile and cordless phones emit electromagnetic radiation causing damage to cells and increasing the risk of tumours. But they added that many tumours don't appear for 15 years making short-term studies on mobile phone use redundant.
The jury is still out, however, for many scientists who claim it is still unknown what, if any, link there is between mobiles and brain tumours.
Earlier on this month, a Danish study on more than 358,000 mobile users over 18-years-old found that those who used mobile phones for 10 years or more were no more at risk than those who never used them.
Researchers led by the Institute of Cancer Epidemiology in Copenhagen found cancer rates in the central nervous system were almost the same in both long-term mobile phone users and non-users.
But other scientists disagreed, saying the Danish study excluded business users and included as non-users people who began using mobiles later on.
In April, The Children with Cancer conference highlighted figures published by the Office of National Statistics, which showed a 50 per cent increase in frontal and temporal lobe tumors between 1999 and 2009.
The ONS figures showed that the incident rate has risen from two to three per 100,000 people since 1999, while figures from Bordeaux Segalen University showed a one to two per cent annual increase in brain cancers in children.
A new report from the International Telecommunications Union found that at the end of 2011, 6 billion people had a cellphone subscription. That means 6 in 7 of us have a cellphone. It also means that 1 billion of us do not.
Originally posted by Renegade2283
I do intend to get one for emergency purposes. Though I plan to have the battery out at all times. Call me paranoid but the last thing I want is the government to have the ability to monitor me wherever I am. If you think about the fact that 6 of 7 billion people have cellphones, almost the entire world can be monitored if the government so see's fit.
Each day the surveillance society becomes implemented more and more. I find it astounding that they managed to get cellphones in the hands of so many people.
Preliminary Communication | February 23, 2011
Effects of Cell Phone Radiofrequency Signal Exposure on Brain Glucose Metabolism
Nora D. Volkow, MD; Dardo Tomasi, PhD; Gene-Jack Wang, MD; Paul Vaska, PhD; Joanna S. Fowler, PhD; Frank Telang, MD; Dave Alexoff, BSE; Jean Logan, PhD; Christopher Wong, MS
Author Affiliations: National Institute on Drug Abuse, Bethesda, Maryland (Dr Volkow); National Institute on Alcohol Abuse and Alcoholism, Bethesda (Drs Volkow, Tomasi, and Telang and Mr Wong); and Medical Department, Brookhaven National Laboratory, Upton, New York (Drs Wang, Vaska, Fowler, and Logan and Mr Alexoff).
JAMA. 2011;305(8):808-813. doi:10.1001/jama.2011.186.
Context The dramatic increase in use of cellular telephones has generated concern about possible negative effects of radiofrequency signals delivered to the brain. However, whether acute cell phone exposure affects the human brain is unclear.
Objective To evaluate if acute cell phone exposure affects brain glucose metabolism, a marker of brain activity.
Design, Setting, and Participants Randomized crossover study conducted between January 1 and December 31, 2009, at a single US laboratory among 47 healthy participants recruited from the community. Cell phones were placed on the left and right ears and positron emission tomography with (18F)fluorodeoxyglucose injection was used to measure brain glucose metabolism twice, once with the right cell phone activated (sound muted) for 50 minutes (“on” condition) and once with both cell phones deactivated (“off” condition). Statistical parametric mapping was used to compare metabolism between on and off conditions using paired t tests, and Pearson linear correlations were used to verify the association of metabolism and estimated amplitude of radiofrequency-modulated electromagnetic waves emitted by the cell phone. Clusters with at least 1000 voxels (volume >8 cm3) and P < .05 (corrected for multiple comparisons) were considered significant.
Main Outcome Measure Brain glucose metabolism computed as absolute metabolism (μmol/100 g per minute) and as normalized metabolism (region/whole brain).
Results Whole-brain metabolism did not differ between on and off conditions. In contrast, metabolism in the region closest to the antenna (orbitofrontal cortex and temporal pole) was significantly higher for on than off conditions (35.7 vs 33.3 μmol/100 g per minute; mean difference, 2.4 [95% confidence interval, 0.67-4.2]; P = .004). The increases were significantly correlated with the estimated electromagnetic field amplitudes both for absolute metabolism (R = 0.95, P < .001) and normalized metabolism (R = 0.89; P < .001).
Conclusions In healthy participants and compared with no exposure, 50-minute cell phone exposure was associated with increased brain glucose metabolism in the region closest to the antenna. This finding is of unknown clinical significance.
This finding is of unknown clinical significance.