人们一直担心，儿童经常使用手机可能引发脑瘤。但瑞士研究人员说，他们最新完成的一项有关研究没有发现手机会导致儿童患脑瘤的证据。
瑞士热带与公共卫生研究所的研究人员在美国新一期《全国癌症研究所期刊》上报告说，他们收集了丹麦、挪威、瑞典和瑞士等国352名7岁至19岁的脑瘤患者使用手机的情况，并把有关数据与646名同样年龄段健康孩子的情况进行了对比。
结果显示，患有脑瘤的儿童并不比没有患脑瘤的儿童更多地使用手机。研究人员据此认为，使用手机可能并不是引发儿童脑瘤的主要原因。
研究人员建议，如果家长仍然担心使用手机会对孩子有不良影响，不妨让孩子使用低辐射的手机，或让他们在通话时使用耳机等。(生物谷 Bioon.com)
doi:10.1093/jnci/djr244
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Mobile Phone Use and Brain Tumors in Children and Adolescents: A Multicenter Case–Control Study
Denis Aydin, Maria Feychting, Joachim Schüz, Tore Tynes, Tina Veje Andersen, Lisbeth Samsø Schmidt, Aslak Harbo Poulsen, Christoffer Johansen, Michaela Prochazka, Birgitta Lannering, Lars Klæboe, Tone Eggen, Daniela Jenni, Michael Grotzer, Nicolas Von der Weid, Claudia E. Kuehni and Martin Röösli
Many persistent pain states (pain lasting for hours, days, or longer) are poorly treated because of the limitations of existing therapies. Analgesics such as nonsteroidal anti-inflammatory drugs and opioids often provide incomplete pain relief and prolonged use results in the development of severe side effects. Identification of the key mediators of various types of pain could improve such therapies. Here, we tested the hypothesis that hitherto unrecognized cytokines and chemokines might act as mediators in inflammatory pain. We used ultraviolet B (UVB) irradiation to induce persistent, abnormal sensitivity to pain in humans and rats. The expression of more than 90 different inflammatory mediators was measured in treated skin at the peak of UVB-induced hypersensitivity with custom-made
