"The cups don’t need to he heated; suction can also be created by removing air with a small hand-held pump. Either way, many athletes — including 19-time Olympic gold medalist Michael Phelps, who sported circular welts on his shoulders Sunday during the U.S. team’s gold-medal relay swim — are true believers."
‘Cupping Therapy’ Not Science Based, Yet Olympians Swear By It
SCIENCE (from the Latin for 'knowledge') informs wisdom, reason and humanism. This is a 4-legged worldview within reality that maximizes well-being for individuals and society.