Taking photographs or video of unusual symptoms on an ordinary camera phone can help doctors diagnose uncommon problems, say researchers in an article published on bmj.com today. For example, doctors in Norway describe the case of a 25 year old pregnant woman who reported frequent episodes of severe nipple pain.

The pain came whenever her fingers, toes or nipples got cold, such as when walking barefoot on a cold floor or taking a shower, and typically lasted between five and 15 minutes and was so painful as to bring her to tears.

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