Maintaining Good Nutrition Ernest H. Rosenbaum, MD, Malin Dollinger, MD, Lawrence Margolis, MD, and Isadora Rosenbaum, MA Good nutrition is vital to all of us all the time. It is impossible to stay in good health without consuming the right foods in the right amounts. Good nutrition gives us the energy and the building blocks our bodies need to function properly and stay in good repair. Good nutrition is even more necessary when you have cancer. Your body is fighting disease and food is a critical weapon in the fight. You will need even more nutrients than usual—a metabolic need about 20 percent higher than a healthy person who engages in moderate activity. The extra nutrients will