Various studies have shown that during the luteal phase woman consume more carbohydrates , proteins and fats and that 24-hour energy expenditure shows increases between -%.  The increasing intake during the luteal phase may be related to higher preferences for sweet and fatty foods, which occurs naturally and is enhanced during the luteal phases of the menstrual cycle.  This is due to the higher metabolic demand during this phase.  In particular, women tend to show a cravings for chocolate, with higher cravings during the luteal phase. 
Prior to 1979, there were no formal announcements of business cycle turning points.
The NBER does not define a recession in terms of two consecutive quarters of decline in real GDP. Rather, a recession is a significant decline in economic activity spread across the economy, lasting more than a few months, normally visible in real GDP, real income, employment, industrial production, and wholesale-retail sales. For more information, see the latest announcement from the NBER's Business Cycle Dating Committee, dated 9/20/10.