Health Research Digest with Leo and Eva

Binaural Beats Cut Morphine Use by Nearly Half in Older Adults After Knee Replacement Surgery

15 min · 17. juli 2026
episode Binaural Beats Cut Morphine Use by Nearly Half in Older Adults After Knee Replacement Surgery cover

Description

Italian researchers ran a careful randomized controlled study with 40 older adults undergoing knee replacement surgery. One group listened to binaural beats (4 Hz) through headphones before their operation, while the control group heard a steady tone. Doctors then objectively measured real morphine use via patient-controlled pumps during the first postoperative day. The binaural beats group consumed just 5.75 mg compared with 11.85 mg in the control group — nearly half as much. Published in a respected peer-reviewed journal from a proper Italian hospital department, this trustworthy evidence suggests gentle sound stimulation may help reduce morphine needs after surgery. Read the full story to see what it means for everyday music listening and recovery. https://oriems.fit/blogs/research-digest/binaural-beats-reduce-morphine-use-surgery

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