Subscribe to the OSS Weekly Newsletter!

You Asked

Should I be adding collagen to my diet?

15 Mar 2019

I was slightly taken aback the other day when a friend looked over and casually remarked that perhaps I should start adding collagen to my morning smoothie. Immediately my antennae went up. I work...

What is the pink deposit that is sometimes seen in toilets and around sinks and bathtubs?

8 Mar 2019

Serratia marcescens love a moist environment but cannot survive in chlorinated water. However, when tap water sits around, like in a toilet bowl, or on grout, or on a shower curtain, the chlorine...

Why is the shelf life of white chocolate so short compared to that of dark chocolate?

15 Feb 2019

Dark chocolate contains plenty of naturally occurring antioxidants known as polyphenols, which are absent from white chocolate. Actually, “white chocolate” isn’t really chocolate because it does...

Can you be obese but still be healthy?

8 Feb 2019

In medical speak we talk, not about being fat, but about overweight or obese. We define being overweight as having a Body Mass Index (BMI) over 25, and obesity as having a BMI over 30. Obesity is...

How do they make chocolates with a liquid centre?

25 Jan 2019

The secret lies in the chemical behaviour of beta-fructofuranosyl-alpha-D-glucopyranoside. Don't worry, that's just the chemical name for sucrose, or ordinary table sugar. Sucrose is a ...

Is Dental Floss Toxic?

18 Jan 2019

A recently published paper in the Journal of Exposure Science & Environmental Epidemiology managed to create a great deal of public angst about using some types of dental floss. “This is the...

You Asked: Is it true that infants should not be given honey?

3 Jan 2019

Problems can arise if infants under a year old, or patients who are immune-compromised, ingest honey that contains spores of Clostridium botulinum bacteria. These spores are ubiquitous in soil and...

Can Coffee Really Explode in the Microwave?

6 Dec 2018

This is due to a phenomenon known as superheating. First, we have to understand what boiling is all about. At the surface of a liquid molecules are always evaporating. If we leave a glass of water...

Pages

Back to top