How simply taking exercise can trigger a deadly reaction

The sensation was so unbearable that the Capital radio presenter, 34, had to stop where she was, in a field, tear off her jeans and claw helplessly at her prickling limbs.The sensation was so unbearable that the Capital radio presenter, 34, had to stop where she was, in a field, tear off her jeans and claw helplessly at her prickling limbs.Read MoreHealth News | Mail Online