If you love knitting, there's a piece of kit you have to invest in: interchangeable knitting needles. Wondering why? Then read on, as we take you through what they are, how to use them and why you'll ...

Some people with diabetes require insulin. They can manually administer this through several methods, such as syringes, which are available in different sizes with various-sized needles. There are ...

As flu vaccines are being administered in Canada, an editorial in the British Medical Journal, BMJ, raises concern over needle sizes. According to the writer, a standard size needle doesn't guarantee ...