Americans are getting less “religious,” you’ve probably heard. They do fewer traditionally religious things, such as belonging to a denomination, attending worship services or feeling certain that God ...

Ventricular fibrillation (VFib or VF) and ventricular tachycardia (v-tach or VT) are two types of heart arrhythmia that occur in the heart’s lower chambers, called the ventricles. The ventricles ...