The menstrual cycle is one of the most energy-demanding functions in the female body, requiring the energy output of 8 hours of construction work a day for the week prior to it starting -- on top of everything else that has to be done. Because your menstrual cycle is about survival of our species, its energy needs will take priority over any other energy needs you may have -- including having enough energy for healthy brain function.

The mood issues that many women feel at this time are primarily about entering into this time of the month without enough energy reserves to have it run smoothly. Any improvements made in any of the ...