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What is that smell when I get a root canal done?

8 Jan 2021

Undergoing a root canal procedure is not one of the great pleasures of life, but it is a highly effective technique for saving teeth. The idea is to remove the diseased pulp of a tooth and then...

Table salt, kosher salt, sea salt, Himalayan salt. Which one should I buy?

22 Oct 2020

Salt was the first seasoning used by our ancestors. They got it by evaporating seawater, or by mining it. The origin of salt deposits in the ground can also be traced back to oceans which no longer...

Why is my dog's pee ruining my lawn?

25 Sep 2020

Most homeowners let their dogs use the backyard as their own personal toilet. Often after a winter of such potty practice, when the snow melts, you’ll often find your lawn speckled with unsightly...

Should you let a dog lick your hand if you used hand sanitizer?

27 Mar 2020

There is a “warning” making the rounds that hand sanitizer “has the same ingredients as antifreeze” and that you should not let dogs lick your hands. This warning is based on chemical ignorance....

What Does It Mean When a Vaccine Contains an Inactivated Virus?

27 Mar 2020

A vaccine contains an attenuated or inactivated microorganism (or part of one) so that your immune system can prepare itself for an eventual infection. The content of the vaccine must be...

How can I stop getting static shocks?

20 Feb 2020

If you live in Canada, you know what a nightmare winter can be for your hair. No, not because of hat hair, (or at least not entirely because of hat hair), but because of static electricity! All...

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...

What is "Hormesis"?

24 Jan 2020

Just about every textbook of toxicology pays homage to Paracelsus, the sixteenth century alchemist. Why? Because he introduced the idea that “only the dose makes the poison.” It makes no sense to...

Should I pop my blister?

23 Jan 2020

If you’re someone who likes to hike, bike, garden, run or do pretty much any physical activity, you’re likely quite familiar with getting blisters.

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