Could the water people swallow their acid reflux pills with be more therapeutic than the drugs themselves? In 2008, a remarkable study took place comparing a glass of water to an antacid and "acid blocking" drugs, in their overall effect in increasing gastric pH (i.e. making it more alkaline) in healthy subjects.
For many centuries the Chinese used snake oil as a treatment for joint pain, arthritis and bursitis. They brought this folk remedy with them when they arrived in the US in the mid 1800's to build the Transcontinental Railroad. That was hard work you know. Aspirin, while having been invented, was not a readily available item at that time. When the Chinese workers offered the remedy to Westerners as a palliative it was likely perceived to be a "primitive" form of "quackery...
Infantile colic can be very stressful for parents whose baby is inconsolable during crying episodes. Colic is often defined by the "rule of three": crying for more than three hours per day, for more than three days per week, and for longer than three weeks in an infant who is well-fed and otherwise healthy.