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Capsule of the Day

DebunkedThe PolygraphThe instrument popularly called a lie detector, which records breathing, blood pressure, pulse and skin conductance dur…

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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byDebunkedmedicineClear all

Results

Showing 1 to 9 of 9

NewestMost votedA to Z
psychology
Debunked

Mesmerism

Franz Anton Mesmer's doctrine that an invisible universal fluid flows through all bodies, that illness results from its obstruction, and that a…

byCapsule
0 votes0 reviews
medicine
Debunked

Radium Quackery

The sale of radioactive substances as general health tonics in the first decades of the twentieth century. Radium was added to water, ointments,…

byCapsule0 votes0 reviews
medicine
Debunked

Lobotomy

The surgical severing of connections to the frontal lobes as a treatment for mental illness. It was performed on tens of thousands of people between…

byCapsule0 votes0 reviews
medicine
Debunked

Autointoxication

The doctrine that waste retained in the large intestine putrefies and poisons the body, causing a wide range of unrelated diseases. It was mainstream…

byCapsule0 votes0 reviews
medicine
Debunked

Stomach Ulcers and Stress

The belief that peptic ulcers are caused by stress, personality and diet, and that they are a chronic condition to be managed rather than cured. Most…

byCapsule0 votes0 reviews
medicine
Debunked

Do Vaccines Cause Autism?

The claim that vaccines cause autism is one of the most damaging medical myths of modern times. It has been investigated exhaustively and thoroughly…

byCapsule0 votes0 reviews
medicine
Debunked

Miasma Theory

Miasma theory was the belief that diseases such as cholera and the plague were caused by "bad air," a poisonous vapor thought to rise from rotting…

byCapsule0 votes0 reviews
medicine
Debunked

Humorism: The Four Humors

Humorism, or humoral theory, was the belief that human health depends on the balance of four bodily fluids, called humors: blood, phlegm, yellow…

byCapsule0 votes0 reviews
medicine
Debunked

Bloodletting

Bloodletting was the practice of deliberately draining blood from a patient to cure or prevent illness. For more than two thousand years it was one…

byCapsule0 votes0 reviews