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The medical effects of mobile phone radiation are still unclear
Every few weeks it seems there is a new study either clearing mobile phones of health effects or proving that such effects may exist.
Here's the latest, showing changes in proteins in exposed cells. They can also reduce your sleep, according to this study. And here's one that says heavy phone users are at risk - and their sperm is too.
Meanwhile, scientists in Japan say there is no increased risk of brain cancer from mobile phones. And the BBC has apologised for a programme suggesting wi-fi posed a risk to children.
I'm pretty sure mobile phones are not a new tobacco, but I'm glad I'm not a heavy user. Hands-free sets seem like a good idea. Here's some other advice, when the signal is weak your phone works harder and emits more radiation. It also does this when connecting. So keep the phone away from you when calling and keep your calls short.
In other news:
