--- title: Your Fingerprint Can Reveal Cocaine Use description: Scientists can tell if a person does drugs like cocaine through their fingerprints canonical: https://time.com/3860207/fingerprint-cocaine-use/ author: Alexandra Sifferlin article:opinion: false article:content_tier: free article:published_time: 2015-05-15T18:12:15.000Z article:modified_time: 2026-08-04T07:59:15.292Z article:section: Health og:title: Your Fingerprint Can Reveal Cocaine Use og:description: A new way to accurately test for drugs may be through your fingerprint og:url: https://time.com/3860207/fingerprint-cocaine-use/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production og:image:width: 1200 og:image:height: 675 og:image:alt: TIME og:type: article twitter:card: summary_large_image twitter:title: Your Fingerprint Can Reveal Cocaine Use twitter:description: A new way to accurately test for drugs may be through your fingerprint twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/bltde093bcdab65f2d0/6988d9b9bc6cfc69913e2a3c/time-logo.jpg?branch=production --- # Your Fingerprint Can Reveal Cocaine Use ## Video: How $1,000 Could Help Your Health [Watch (HLS stream): How $1,000 Could Help Your Health](https://cdn.jwplayer.com/manifests/EILRa37f.m3u8) (2:01)  _Published 2014-08-22. From acupuncture to yoga, $1,000 can go a long way to improving your health._ by [Alexandra Sifferlin](https://time.com/author/alexandra-sifferlin/) ## Alexandra Sifferlin May 15, 2015 6:12 PM UTC by [Alexandra Sifferlin](https://time.com/author/alexandra-sifferlin/) ## Alexandra Sifferlin May 15, 2015 6:12 PM UTC Scientists can already tell from people’s fingerprints if they’ve touched cocaine, but [a new study](http://pubs.rsc.org/en/content/articlelanding/2015/an/c5an00112a#!divAbstract) goes one step further, showing that fingerprints can now also reveal whether a person has ingested the drug. The study, published in _Analyst,_ may pave the way for simpler drug testing that doesn’t require urine or blood. In a small study, a team of researchers analyzed the fingerprints of a handful of patients in drug treatment centers using a process called mass spectrometry. Someone who uses cocaine excretes components of metabolized cocaine called benzoylecgonine and methylecgonine. The study authors showed they were able to detect the cocaine components in the residue left by the patients’ fingerprints on glass through the mass spectormetry chemical analysis technique. “These results provide exciting opportunities for the use of fingerprints as a new sampling medium for secure, non-invasive drug detection,” the researchers write in their study. “The mass spectrometry techniques used here offer a high level of selectivity and consume only a small area of a single fingerprint, allowing repeat and high throughput analyses of a single sample.” If such a technique could be made portable, the researchers believe it could possibly provide a simpler and less invasive alternative to current drug testing. ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/3860207/fingerprint-cocaine-use/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3860207/fingerprint-cocaine-use/"},"headline":"Your Fingerprint Can Reveal Cocaine Use","datePublished":"2015-05-15T18:12:15.000Z","dateModified":"2026-08-04T07:59:15.292Z","description":"A new way to accurately test for drugs may be through your fingerprint","url":"https://time.com/3860207/fingerprint-cocaine-use/","keywords":["Addiction","Cocaine"],"thumbnailUrl":"","author":[{"@type":"Person","name":"Alexandra Sifferlin","jobTitle":null,"url":"https://time.com/author/alexandra-sifferlin/"}],"articleSection":"Health","image":[],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/addiction/","name":"Addiction"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/3860207/fingerprint-cocaine-use/","name":"Your Fingerprint Can Reveal Cocaine Use"}}]},{"@context":"https://schema.org","@type":"VideoObject","name":"How $1,000 Could Help Your Health","description":"From acupuncture to yoga, $1,000 can go a long way to improving your health.","thumbnailUrl":"https://cdn.jwplayer.com/v2/media/EILRa37f/poster.jpg?width=720","uploadDate":"2014-08-22T16:19:48.000Z","contentUrl":"https://cdn.jwplayer.com/manifests/EILRa37f.m3u8","embedUrl":"https://time.com/3860207/fingerprint-cocaine-use/","duration":"PT2M1S","potentialAction":{"@type":"SeekToAction","target":"https://time.com/3860207/fingerprint-cocaine-use/?jw_start={seek_to_second_number}","startOffset-input":"required name=seek_to_second_number"}}] ```