I don't know about annual checks. Maybe twice a decade for the major things. I am 34 and just found out I have a Atrial Septal Defect. A birth defect in my hea

I don't know about annual checks. Maybe twice a decade for the major things. I am 34 and just found out I have a Atrial Septal Defect. A birth defect in my heart where a hole in my atria cause already oxygenated blood from my left atrium to flow into the right. It has now caused significant pulmonary hypertension which is causing me all kinds of weird symptoms over the last year. I found out through an echocardiogram ordered by a pulmonologist as I was having shortness of breath. Normally this is something that is found in early childhood if parents bring their kids to get checked out. My mother did not evidently! When it's found and handled sooner it gets fixed and that's it. No further treatment required. If I had found this sooner I would not have the extra lung damage and heart chamber dilation that I have now. So yes, I think a healthy person should get their vital organs checked every so often because a defect in early life may not present itself until a lot of damage has been done in later life.