Funtabulously Frivolous Friday Five 233 - Just when you thought your brain could unwind on a Friday, some medical trivia FFFF.
Thomas Willis (1621–1675) was an English physician.
Restless legs syndrome (RLS)/Willis-Ekbom disease (WED) is characterized by an urge to move the legs, usually associated with limb discomfort. The symptoms occur at rest, are relieved by movement, and are worst in the evening and at night.
A ferocious spider lives in the brain. His name is Willis!