Medical conditions known to cause swelling that affects both legs equally include heart disease, kidney disease, liver disease, and chronic sleep apnea, and complications of diabetes. Premenstrual syndrome (PMS) is also a well-known cause of swelling in the ankles and feet.
Definition of serendipity for English Language Learners. : luck that takes the form of finding valuable or pleasant things that are not looked for.
I once read a silly fairy tale, called 'The Three Princes of Serendip': as their highnesses travelled, they were always making discoveries, by accidents and sagacity, of things they were not in quest ofâ¦. Walpole's memory of the tale (which, as it turns out, was not quite accurate) gave serendipity the meaning it retains to this day. Origin and Etymology of serendipity from its possession by the heroes of the Persian fairy tale The Three Princes of Serendip