It may be hard to believe in the midst of another contentious election cycle, but the next quarter century in the United States promises to be a period of increasing moderation and stability — at least according to a little - known but compelling theory about how the ratio of available men to
available women alters our lives.
«The
available research, such as there is,» she says, suggests that «progesterone can
alter the body's fuel metabolism and its ability to handle heat,» she says, meaning that
women will probably feel hotter and more fatigued during prolonged exercise in the second half of their menstrual cycles, when progesterone levels rise, than before menses, when progesterone is low.