My dad has had prostate cancer for bout 5 years i think, he went to the dr. last week and it has spread to hi bones in his hip. She put him on 4 Zytia on a eempty stomach and he can eat one to 2 hrs after, and Prednisone 2 a day with food, i have gotton so nerves i think i am doing it right, i give him the 2 pills when he eat. Am i right?