Imagine this – you swallow a pill and it sends information about your health to your doctor.  Or you take a pill and it knows where to go in your body to attack what ails you.

No this isn’t a remake of the 1966 science fiction movie Fantastic Voyage, where miniature scientists were injected  into a vein to attack a blood clot in the hero’s brain. This is real technology being tested by companies around the world, such as Philips and Novartis. Read more about it.

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