This is a Standard post with a Youtube Video

Most of what shortens a life is slow, quiet and treatable if it is caught in time. That is the whole argument for a yearly check-up, and it is a stronger one than it sounds. A single reading tells us very little; the same reading taken each year tells us almost everything, because the direction of travel is what matters. Our specialist explains which numbers are worth tracking at each decade of life, and what a change in them should prompt you to do.