The development of cancer in the body

Provide background research related to cancer. Answer the following questions: 1. Describe the development of cancer in the body. 2. What are the risk factors for cancer in general and for the development of head and neck cancer? 3. How can cancer affect nutritional status? 4. Describe interventions that can be used to improve nutritional status of cancer patients. Peer reviewed articles must be within the last 6 years