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immune system

A COVID-19 Vaccine - Betting on the Hare or the Tortoise?

9 Sep 2020

The race is on! Pharmaceutical companies and assorted academic researchers around the world are engaged in the quest for the current version of the Holy Grail, a vaccine against the SARS-CoV-2...

A Virus for Every Season

24 Jul 2020

We have all heard the claim, passed down the generations, that you catch a cold by being exposed to cold weather. That’s what I used to believe when I was younger. Then I graduated to the...

Smoking, Vitamin D, and COVID-19

20 May 2020

This article was first published in The Montreal Gazette....

Nothing About COVID-19 is Simple 

22 Apr 2020

Whatever the end result may be, the attack starts with the virus invading cells in the lining of the nose and throat. Here the virus can latch on to a protein known as “angiotensin converting...

Hygiene and Health

20 Mar 2017

We’ve grown up with the idea that dirt is bad. If you drop food on the floor, don’t dare to pick it up and eat it. Sanitize your kitchen and bathroom with “germ killers.” Filter your water. Purify...

Why do we kiss?

22 Feb 2017

What makes us exchange saliva, sebum, bits of food and millions of bacteria with each other? In other words, why do we kiss? This is not an innate activity. South Pacific islanders, for example,...

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