Surgeons fit a nerve stimulator into the man's chest to reverse 15 years of unresponsive wakefulness.
Researchers say it could be down to the social aspect of sport.
Toni Crews lost her right eye to cancer and has been making customised eyepatches.
For people living with depersonalisation disorder, the world appears unreal and can be void of emotion.
Luis Herrera, the first South American to win a Grand Tour, says he has skin cancer caused by exposure to the sun during his career.
A 45-year-old woman was affected by a condition called fat embolism syndrome after the procedure.
But a World Rugby spokesman says there is no new evidence to challenge the current position.
Medical students discovered half the questions were on a 2015 paper that was circulated online.
It was feared studying people who reversed gender reassignment surgery could be "politically incorrect".
A hospital in Abu Dhabi confirms the Egyptian's death despite recent weight-loss surgery.
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