For more general information on cookies see the Wikipedia article on HTTP Cookies.
You can prevent the setting of cookies by adjusting the settings on your browser (see your browser Help for how to do this). Be aware that disabling cookies will affect the functionality of this and many other websites that you visit. Disabling cookies will usually result in also disabling certain functionality and features of the this site.
Therefore it is recommended that you do not disable cookies.
When you submit data to through a form such as those found on contact pages or comment forms cookies may be set to remember your user details for future correspondence.
In order to provide you with a great experience on this site we provide the functionality to set your preferences for how this site runs when you use it. In order to remember your preferences we need to set cookies so that this information can be called whenever you interact with a page is affected by your preferences.
This site uses Google Analytics which is one of the most widespread and trusted analytics solution on the web for helping us to understand how you use the site and ways that we can improve your experience. These cookies may track things such as how long you spend on the site and the pages that you visit so we can continue to produce engaging content.
For more information on Google Analytics cookies, see the official Google Analytics page.
The Google AdSense service we use to serve advertising uses a DoubleClick cookie to serve more relevant ads across the web and limit the number of times that a given ad is shown to you.
For more information on Google AdSense see the official Google AdSense privacy FAQ.
Hopefully that has clarified things for you and as was previously mentioned if there is something that you aren't sure whether you need or not it's usually safer to leave cookies enabled in case it does interact with one of the features you use on our site. However if you are still looking for more information then you can contact us through one of our preferred contact methods.