It is time to bid farewell to what has been a very eventful year - one that saw the curtains fall on the little master’s celebrated career on the cricket field and India scripting a success story in space history among others. But before we begin a new innings, there is lot more 2013 has to offer including a mouth-watering Christmas feast. December begins by observing World AIDS Day and our expert tells you how to prevent the transmission of this deadly virus from an infected mother to child. Meanwhile, the cardiology section looks at the impact the virus has on the heart of an HIV patient. However, AIDS is not the only sexually transmitted disease that you need to protect yourself from; find out the signs and causes of other such infections right here.