By Chiara Pollock A pensioner celebrating turning 100 years old says the secret to long life is chocolate. Betty Fairley eats one Ferrero Rocher a day and to mark her birthday on Friday (February 23) she was gifted a century of them by her local Aldi store in Uddingston, South Lanarkshire, Scotland. She was even paid a visit at care home Croftbank House from the Lord Provost. Betty was born to Arthur and Euphemia Adie in 1924, with their family made complete in 1926 with the birth of sister Reba. Betty completed school and first trained and worked as an auxiliary nurse before studying shorthan…