WTF Fun Fact 13298 – A Rollercoaster Cure for Kidney Stones

Roller coasters are known for their stomach-churning twists, turns, and drops. But did you know that these thrilling rides may have a surprising health benefit? How about a roller coaster cure for kidney stones?

Well, according to recent research, riding a roller coaster really can help people pass the stones.

Kidney stones are a real pain

Kidney stones are hard, mineral deposits that form inside the kidneys. They can be incredibly painful and cause symptoms like back or abdominal pain, nausea, and difficulty urinating.

In some cases, surgery or other medical interventions may be necessary to remove them. But for smaller stones, riding a roller coaster may be a more fun and natural solution.

The idea that roller coasters could help pass kidney stones came from a patient who reported passing a stone after riding the Big Thunder Mountain Railroad roller coaster at Disney World. Intrigued by this anecdote, urologist David Wartinger from Michigan State University set out to investigate further.

To test the theory, Wartinger and his team created a 3D-printed model of a human kidney with three small stones inside. Then they took it on several roller coaster rides. They found that the Big Thunder Mountain Railroad ride at Disneyland in Orlando, FL really was highly effective at dislodging the stones from the kidney.

After the ride, the stones were able to pass through the urinary tract more easily, reducing the need for medical intervention.

How do roller coasters help “cure” kidney stones?

Why do roller coasters have an effect on passing kidney stones? It has to do with the forces generated by the ride. During a roller coaster ride, the body experiences a range of movements, including sudden drops, sharp turns, and rapid accelerations. These movements create a force called acceleration. This acceleration can jostle kidney stones and potentially dislodge them from the kidney.

Of course, riding a roller coaster isn’t a guaranteed cure for kidney stones, so don’t buy that ticket to Disney just yet. The size, location, and type of stones can all affect whether or not a ride will be effective. Additionally, riding a roller coaster may not be practical or advisable for everyone, especially those with other health conditions or mobility issues.

We need more research to understand the effects of roller coaster rides on kidney stones completely. But for now, this serves as an interesting example of how unexpected solutions can sometimes be found in unlikely places.

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Source: “How a Roller Coaster Can Help You Pass a Kidney Stone” — Gizmodo

WTF Fun Fact 13297 – Medieval Germany’s Marital Duels

Imagine fighting a duel with your spouse to “work things out.” Claims about what happened in the medieval period should be taken with a grain of salt when they come from non-scholars. Usually, someone cherry-picks a passage already translated (sometimes incorrectly) into English and runs with it. But the claim that marital duels existed in medieval Germany may be true – if embellished a bit.

The truth about medieval German marital duels

In 1985, religious studies scholar Allison Coudert published a paper about the duels that may have taken place between husbands and wives. The paper explores depictions that were found of marital duels between husbands and wives in the fifteenth- and sixteenth centuries. These pictures show combats where couples use sticks, stones, swords, and other weapons.

Coudert argues that, despite the illustrations, there is no record of such duels taking place after 1200. (Which presumably means that before 1200, you could challenge your spouse to a duel.) It is suggested that the images were copied from earlier manuscripts and included in treatises to provide a comprehensive historical overview of dueling practices.

Of course, the idea of medieval couples hurling stones at each other and hitting each other with sticks is the kind of thing that makes headlines on viral news sites. But it wasn’t so straightforward (and you need to know medieval German – as Coudert apparently does) to get to the bottom of things.

Justifying violence

The paper goes on to explain that, by the fifteenth and sixteenth centuries, societal, religious, and legal norms were against wives engaging in physical confrontations with their husbands. The duels were over – but wife-beating was apparently still ok.

Customary laws made it a crime for husbands to allow themselves to be beaten by their wives. In contrast, wife-beating was legal, and in some cases, encouraged. This brutal treatment was justified based on both scripture and law. Catholic and Protestant theologians agreed on the subordination of women. This belief even influenced opinions about sexual positions, with intercourse with the man on top and the woman below considered “natural.”

Changes in women’s status and position during the 12th century could explain the absence of marital duels after 1200. Before this time, women may have battled their husbands. The importance of their economic and administrative roles in the household was understood and defended.

However, by the fifteenth and sixteenth centuries, the law, religion, and custom made such duels unthinkable. The depiction of these duels in illustrations may be a reflection of an earlier time.

So while it appears the duels are not a myth, most people are basing their stories on the wrong evidence.

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Source: “Judicial Duels Between Husbands and Wives” — Notes in the History of Art via JSTOR