Current X-ray lasers require facilities that are kilometres long. A cavity-based set-up about 66 metres in length has been developed that uses highly reflective mirrors to enable the generation of high-intensity pulses of narrow-band X-ray radiation. This promises to overcome the limitations of current X-ray lasers.
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Wes Streeting, Health Secretary in England, says he wants screening in place but only if it's "backed by evidence".
"Because we can, because we're young, we push ourselves too hard, we burn the candle at both ends, she said, which created problems that arose when people where in their 50s.