Looking at thinner colleagues in the office might be a strong motivational factor for women to lose weight. A new study reveals that along with this competition with colleagues regarding weight women also require higher energy and stamina levels to perform in their professions and this often leads to a condition termed as 'Diet Brain' reports femalefirst.co.uk. Almost 40 per cent of women have admitted to suffering from this condition. It involves mood swings which impact on close relationships and performance at work. 'The modern workplace is an increasingly competitive arena for women and appearances certainly do matter so