Canadian researchers have developed a garment that senses breathing to gain a picture of overall health

Researchers at Université Laval in Canada have created a smart t-shirt that monitors the wearer's respiratory rate in real time. It works without any wires, electrodes or sensors attached to the body; instead, there is an antenna sewn into the shirt at chest level. The antenna is made of a hollow optical fiber coated with a layer of silver and covered in a protective polymer. It senses and transmits signals created by respiratory movements, which can be sent to a smartphone or computer.

The smart t-shirt has also proved durable, as the researchers washed it 20 times and found it still in good working condition. This creation could lead to a range of clothing able to diagnose respiratory illnesses or monitor people suffering from conditions like asthma, sleep apnea and chronic obstructive pulmonary disease.

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