Give them a once-over. From a weak grip to long fingers and rashes to nail problems, your mitts are sending you important messages about your health, including your risk of disease and the length of your life. Here's how to listen.
Stronger grip, stronger heart
Your handshake is about more than your personality. Better grip strength is indicative of your circulatory health, reports a 2018 study in PLOS ONE. A stronger shake was associated with heart functioning and less heart “remodeling,” a process that happens when the heart is stressed.