Taking a swab of your cell phone screen may be able to tell a lot of information about a person, including diet, health status, preferred hygiene products and locations visited.
Researchers at the University of California San Diego School of Medicine and Skaggs School of Pharmacy and Pharmaceutical were able to construct lifestyle sketches for phone owners by examining the trace chemicals, molecules and microbes on the phones.
Senior author Pieter Dorrestein, Ph.D., professor in UC San Diego School of Medicine and Skaggs School of Pharmacy and Pharmaceutical Sciences, said this information could have a number of applications including criminal profiling, airport screening, medication adherence monitoring, clinical trial participant stratification and environmental exposure studies.
“You can imagine a scenario where a crime scene investigator comes across a personal object — like a phone, pen or key — without fingerprints or DNA, or with prints or DNA not found in the database. They would