CHARLIE Mulgrew has revealed how going on a high fat diet during Ronny Deila’s time at Celtic doubled his cholesterol levels and left him concerned for his health due to a family history of heart attacks. . http://www.heraldscotland.com/news/16256723.Charlie_Mulgrew__Celtic__39_s_dietician_was_brainwashed_-_my_cholesterol_doubled_and_I_feared_I_would_suffer_a_heart_attack/