As the old adage states, "an apple a day keeps the doctor away". While eating a healthy diet and keeping fit is a great way to not have to see the doctor, as you age, there are certain things you will need to have checked to ensure you are continuing to live a healthy life. There are different screenings for men and women when they get over the age of 50. Some screenings are required every year. Sometimes, a simple blood test can tell you whether or not you have a serious illness. Below are some of the screening tests needed for men and women over the age of 50.