how to tell if you're not eating enough?
['Low Energy Levels. Calories are units of energy your body uses to function. ... ', 'Hair Loss. Losing hair can be very distressing. ... ', 'Constant Hunger. ... ', 'Inability to Get Pregnant. ... ', 'Sleep Issues. ... ', 'Irritability. ... ', 'Feeling Cold All the Time. ... ', 'Constipation.']