While some of us are starting the new year filled with good intentions – like eating less sweets and hitting the gym more often – a Tinton Falls couple will kick off 2012 with a medical mission to Sierra Leone to provide health care to women in a country that has five ob-gyns to serve its 5.5 million people. Janine and Michael Karoly, both 58, will start the almost two-day journey on Jan. 5 that will take them to the West African country where the life expectancy is about 40 and there is a one-in-eight chance of death with each pregnancy. "My goal is to help the most people in the shortest …