Randomized , controlled , single-blind , crossover trial of 32 adults ( mean age , 67 years ; 6 women , 26 men ) with CAD assigned to 1 of 6 possible sequence permutations of 3 different treatments ( breakfast with 2 eggs , breakfast with cup Egg Beaters , ConAgra Foods , St. Louis , MO , or a high-carbohydrate breakfast part of an ad libitum diet ) for 6 weeks , with 4-week washout periods .