Video from Vladimir Putin’s closely watched meeting with North Korean leader Kim Jong Un in Russia on Wednesday showed the Russian president continuously twisting his foot, sparking a new round of ...

Long workdays. Missed meals. Poor sleep. Most people blame these when legs cramp at night or eyelids twitch during meetings.

Sometimes, people experience random muscle twitches that interrupt their normal daily activities. This is usually not harmful, but can produce discomfort. These random muscle twitches, known as ...