Tennis star Serena Williams recently opened up about her breastfeeding and eating choices as an elite sportswoman. We explore the interplay between fitness and nutrition with Arista Nienaber, a lecturer at the North-West University Potchefstroom campus. In Unscience, left-handed people have been found to process emotions in different brain areas. Later, dietitian Estee van Lingen from the Association for Dietetics in South Africa explains whether you should really be taking all those multivitamins.