Unger’s Bible Dictionary explains that the word fast in the Bible is from the Hebrew word sum, meaning “to cover” the mouth, or from the Greek word nesteuo, meaning “to abstain.”  Throughout history, people have faced times when food was either scarce or completely unavailable, says Dr. Valter Longo, an NIH-funded longevity researcher at the University of Southern California. “So, they were forced to fast,” he says. However, advances in technology … Continue reading Fasting : And Why You Should