Scientists have developed a
wearable skin tattoo that detects alcohol levels in sweat and transmits the
information t a smartphone, allowing users to monitor their drinking in real
time. The device could help reduce unsafe drinking that can lead to vehicle
crashes, violence and the degeneration of the health of heavy drinkers. It resembles
a temporary tattoo, but is actually a biosensor patch that is embedded with
several flexible wireless components. One component releases a chemical that
stimulated perspiration on the skin below the patch. Another component senses
changes in the electrical current flowing through the generated sweat, which
measures alcohol levels and sends them to the user’s cell phone. About 88,000
people in the US die from alcohol related causes including driving fatalities, which
accounted for nearly 10,000 deaths in 2014. This significant problem has been
addressed by the use of blood tests or breathalyzers by law enforcement. The new
wearable monitor has the advantage of being non-invasive and unseen by others.
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