Seven visible signs in the body that can alert you to heart problems

not constitute a diagnosis on their own, can work as alerts to see a cardiologist.
1. Diagonal line on the earlobe (Frank’s sign)

This is a diagonal crease that runs through the earlobe. Several studies have linked it to an increased risk of atherosclerosis and blockage of the coronary arteries. Although it is not definitive proof, its presence warrants further medical evaluation.
2. Watch glass-shaped nails (clubbing)

Also known as drumstick fingers, this phenomenon occurs when the fingertips widen and the nails take on a pronounced curvature. It is usually associated with a chronic lack of oxygen in the body,