Christmas is for some families one of the only times they all come together to spend quality time together - children, parents and grandparents alike. And with the number of people living with dementia increasing each year, people are being encouraged to check on their loved ones this Christmas . More than 944,000 people in the UK have dementia, a syndrome associated with ongoing decline of brain functioning, but it's estimated that by 2030 the number will be closer to one million. While there