Saturday, February 06, 2016

Possible risks in using LED light to monitor your heart rate Post No 2

I had written a post in this blog about possible skin-cancer risk posed by LED radiation used by activity trackers to monitor heart rate. Visit  Today, my wife and I took a photograph of the tanned spot the tracker has created on my wrist. I notice that there is damage to the skin - it is not mere tanning. See the photograph below.

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