The UV-tracking Gem made me rethink how sunlight affects my health, not just my appearance

With temperatures rising to the 90s successful Los Angeles, avoiding the vigor wasn't precisely an enactment portion I was astatine a relative's outdoor enactment successful August. So I sat beneath a patio umbrella with a almighty instrumentality nearby, figuring I was protected from the prima and heat. Half an hr later, I felt exhausted, dizzy, nauseous, and mostly unwell, symptoms accordant with vigor exhaustion.

Around the aforesaid time, I received a notification from an app utilized by the $249 ($149 astatine the clip of publication) UV-tracking necklace I'd been wearing, called Gem, from a institution called The90. It warned that my UV vulnerability had climbed considerably. It turns retired UV radiatio …

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