Three-year-old Fields Taylor has an extremely rare condition called Glut 1 deficiency which affects only 20 people in the UK and 500 people worldwide.
The condition means she cannot walk or talk but her parents hope a special high fat diet will help her.
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The British manufacturing giant - which is worth £13bn - is to make voluntary payments to settle cases across the world.
Sean Williams died after being struck by a car after he ran across two lanes of traffic while the lights were on green.
The accident happened on the A46 in Drayton, near to Wildmoor Spa, at around 12.30pm.