Outdated Medical Advice Medicine

Cracking knuckles does not cause arthritis

Cavitation sound is harmless; long-term studies show no arthritis link

Cracking your knuckles causes arthritis in later life.

Knuckle cracking produces cavitation bubbles, a harmless process. Studies including 60-year longitudinal follow-up show no arthritis link. Arthritis is caused by age, genetics, and wear.

Believed 1900–2010
Year Revised 2011
Why Changed Never True
Confidence Fully Debunked
Region Worldwide

Reception

8/10
7/10

Sources

Related Facts

Outdated Medical Advice medicine

Poinsettias are highly toxic to humans

Mildly toxic at worst; causes minor symptoms if ingested

👁 7/10
⚡ 6/10
Outdated Medical Advice nutrition medicine

Most people are sensitive to gluten or have gluten intolerance

Only about 1% have celiac disease; non-celiac gluten sensitivity is rare and debated

👁 7/10
⚡ 7/10
Outdated Medical Advice nutrition medicine

Red wine is heart-healthy due to resveratrol

Resveratrol amounts in wine are tiny; any benefit is offset by alcohol risks

👁 7/10
⚡ 6/10

Start typing to search 553 wrong facts