Bluetube Headset www.emfnews.org Cordless Phones Brain Tumors www.emfnews.org Cancer researchers in Sweden found strong links between malignant brain tumors and using cordless phones, which are comparable to those for using mobile phones . The cancer research team led by Lennart Hardell at the University of Orebro showed that people who have used mobile phones or cordless phones for more than 2 000 h are all at greatly increased risks of getting malignant brain tumours. The odds of getting malignant brain tumours compared with those who have never used these phones – expressed as odds ratio, OR was 5.9 times for analogue mobile phones (older type of mobile phones), 3.7 tines for digital mobile phones and 2.3 times for cordless phones. (OR of 1 indicates no increased risk compared to non-users; OR1 indicates decreased risk; and OR1 indicates increased risk.) For all malignant brain tumours in people who have used the phones for more than ten years, the ORs were 3.0 and 2.8 for analogue and digital mobile phones respectively, and 3.3 for cordless phones. For high-grade astrocytomas (malignant tumour of the astrocyte, a glial cell), the corresponding ORs increased further to 3.7, 3.8, and 3.9 respectively. The risk of malignant brain tumours is increased for any phone use, regardless of how many years or hours of use. The ORs for analogue and digital mobile phones were 1.5 and 1.3 respectively, and for cordless phone, 1.3. www.emfnews.org www.emfnews.org

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