Exercise and Nutritional Prehabilitation for Head and Neck Cancer Patients

This study is testing a prehabilitation program — exercise and nutrition support given before cancer treatment begins — to help patients with head and neck cancer go into their treatment in better physical shape. Better physical fitness before treatment may reduce complications, speed up recovery, and improve treatment outcomes. **You may be eligible if...** - You are over 18 years old - You have been newly diagnosed with head and neck cancer **You may NOT be eligible if...** - You have previously had surgery or radiation for head and neck cancer - You have unstable or acute heart problems (such as unstable angina or severe aortic stenosis) - You are classified as very high surgical risk (ASA class 4 or 5) - You have a disabling bone, joint, or nerve condition that prevents exercise - You have heart failure, severe COPD, or end-stage liver or kidney disease - You cannot swallow or are dependent on a feeding tube - You are pregnant, a prisoner, or under 18 years old Talk to your doctor to see if this trial is right for you.