The Human Heart is part of the cardiovascular system. Explore other free anatomical medical resources from Medika Life's Patient Resources

The Liver forms an integral part of the digestive system. Explore other free anatomical medical resources from Medika Life's Patient Resources

THE ON-FIELD COLLAPSE AND CARDIAC ARREST of National Football League (NFL) safety Damar Hamlin after a tackle on “Monday Night Football.” The football player Hamlin’s on-field collapse reminds me to know CPR.

So, if you’re someone who seems to be highly sensitized to stress, you might get the impression that there’s something “wrong” with you. (Spoiler alert: there’s not.)