Questions tagged [healthcare]

QUESTIONS ASKING FOR PERSONALIZED MEDICAL ADVICE ARE OFF-TOPIC. CONSULT YOUR PHYSICIAN. Healthcare refers to the system or systems used to deliver medical care to patients. It may be a monolithic, government controlled system (like the NHS in some parts of the UK) or a mixed system of providers and insurers (as in the US). Healthcare is the way the delivery of medical science is organised (at least for the purposes of tagging on this site).

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Can using black glue coating on an umbrella block 99.99% of UV-A and UV-B radiations?

I read on https://smile.amazon.com/gp/product/B07XP321LY/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1 (mirror): Black glue umbrella is the newer version sun umbrella instead of silver glue umbrella. Our XUYAO sun umbrellas are coated with…
Franck Dernoncourt
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