India, Jan. 4 -- From a twitching eyelid to sudden nervous sweating or an urgent dash to the loo after coffee, the body has a habit of doing things that can feel odd, random or even worrying. But in most cases, these everyday quirks aren't signs that something is wrong - they're the result of normal physiological processes at work. What often seems strange or unexplained usually has a clear medical reason behind it, and understanding these signals can help take the fear out of common bodily experiences.

Dr Amir Khan, a general physician working with NHS England, resident doctor on ITV's Lorraine and Good Morning Britain, and host of the No Appointment Necessary podcast, has shared five seemingly strange symptoms that many people experien...