Boundaries – or, often, lack of them (!) – is a topic we seem to hear a lot about these days. 

 

Where that “line in the sand” is. What’s acceptable to you. And what definitely isn’t. 

 

What’s interesting is how often they’re seen as a way of controlling another person. Of making them behave in the way you want them to. 

 

But this isn’t what boundaries are for at all. They’re never about controlling another person but always about protecting yourself. 

It’s been a while since the last instalment of this rather occasional series about the hidden health hazards we encounter every day. And, if we’re being completely honest, we were only reminded about it the other day by an article about rising levels of mercury in fish. 

 

While fish is one of the most common sources of mercury we regularly come into contact with, it’s interesting that two others are rarely mentioned in the press. Amalgam dental fillings and thimersol, a preservative used in many vaccines. But, before we get into the specifics, let’s talk a little bit more about mercury and why it’s a health concern.