A bra or pants rigged to monitor heartbeat or blood pressure could dial 999 at the first sign of a problem, say Dutch researchers.
The "biomedical" underwear has been designed by electronics giant Philips, and can currently monitor the heartbeat of the wearer.

If it spots signs of heart trouble, it uses wireless technology to summon the emergency services.

However, it could be some years before the technology is in the shops.

The bra, belt or briefs each have electrodes built into their fabric, and use the thread in the fabric to send data to a small microprocessor.

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