Workers punching in for the graveyard shift may be better off not eating high-iron foods at night so they don’t disrupt the circadian clock in their livers. "Iron is like the dial that sets the timing of the clock," the lead researcher says. "Discovering a factor, such as iron, that sets the circadian rhythm of the liver may have broad implica
The Chapman Survey on American Fears included 1,500 participants from across the nation and all walks of life. The research team leading this effort pared the information down into four basic categories: personal fears, crime, natural disasters and fear factors.