Dementia
Butcher wants heading to be gradually phased out of the sport to reduce the risk of brain trauma and neurodegenerative diseases.
Players from two Premier League clubs will wear mouthguards embedded with microchips in training sessions to help monitor the impact of headers.
Players should stop heading the ball in training if research proves it leads to dementia when they are older, several Premier League managers have said.
Dementia is term for a mental disease that decline in mental ability severe enough interference with daily life according to Alzheimer Association
Kanemasa Ito compares caring for his wife Kimiko to waging a daily war with the devil.
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