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The Vitamin D Puzzle

24 Jan 2024

Walk into any pharmacy or health food store and you will see shelves filled with vitamin D supplements. Then stroll over to a bookstore and you will find all sort of books touting the wonders of...

Feeling Blue about the Evidence for Blue-Blocking Glasses

1 Sep 2023

In 2016, numerous headlines fed the flames of blue light panic. A Telegraph article by the publication’s science editor claimed that taking selfies is aging our skin and that doctors can even tell...

Splendid Rays and Skin Cancer

29 Mar 2022

Helios, the sun god in Greek mythology, rode a chariot across the sky, east to west, sunrise to sundown, year round, as dusk bestows silvery moonlight accompanied by stars that extend to infinity...

Why is the Sky Blue? Or Better Yet, Why is the Ocean Blue?

31 Jan 2020

The sky is blue due to a phenomenon called Raleigh scattering. This scattering refers to the scattering of electromagnetic radiation (of which light is a form) by particles of a much smaller...

Hazard and risk: Carcinogens in Processed Meat

20 Mar 2017

If you watched the news, read newspapers or surfed the web recently you will have been inundated with pictures of bacon and headlines describing it as carcinogenic. That’s because the International...

Catching Some Rays Could Help Your Heart

20 Mar 2017

Life comes down to a struggle between risk and benefit. Although not always consciously, we evaluate our diet, our cosmetics, our medications, household chemicals and activity levels on the basis...

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