There is certainly nothing new about fasting - crack open a Bible or dig into a little history, and fasting will make an appearance. Some fasted in combination with prayer or meditation, some fasted in observance of holy days, and some even fasted involuntarily because of food scarcity. People still fast for these reasons, and more reasons have been added to the list - weight loss being a current top-trending reason to give it a go. But it turns out that there are also some solid,...