After a study of more than 3,000 people, a team at Warwick University found that more time in the sun would help to counter vitamin D deficiency, common in elderly people, and this would help cut their risk of heart disease and diabetes.

Edna Parker, the world's oldest person, died on Wednesday at the age of 115, at 5:19 PM Wednesday at Heritage House Convalescent Center in Shelbyville, according to her obituary.