From cancer to ancient Greek disease and dangerous deficiencies – what your bruises REALLY mean and when it’s ‘just you’

WE’VE all been there… an explained deep purple mark appearing out of seemingly nowhere, on your arm the morning after the night before. Bumps and scrapes – unexplained or otherwise – can leave you bruised. But some of us are more prone than others. So what does your bruise mean, and could it be a…