New research suggests the popular legal high known as poppers might pose a danger to users' vision, U.S. News reports.
Poppers are colorless liquids with strong odors that users inhale to create euphoria and sexual arousal.
The principal chemical in poppers, isobutyl nitrite, was replaced with isopropyl nitrite after the first drug was reclassified as a cancer-causing agent in 2006.
But now there's a new problem, as British authors of a recent study reveal: eye problems have emerged as a side effect since the chemical composition of poppers has changed.
"The mounting body of evidence [suggests] that poppers can have serious effects on central vision," according to a team at Cheltenham General Hospital in the United Kingdom.
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