Removing the Problem. The best way to get rid of a stuffy nose is to avoid tobacco and cigarette smoke no matter what. I know from personal experience that cigarette smoke will damage the lining of your sinuses and cause swelling in your sinus membranes, the chief cause of acute or chronic sinusitis.
The process in which several body systems work together to maintain the balanced environment is called homeostasis. The endocrine and nervous system work closely together to help maintain homeostasis. Examples of where they work together are thermoregulation and osmoregulation.
The pituitary gland is connected directly to part of the brain called the hypothalamus. This provides a key link between the brain and the endocrine system, a collection of glands in the body that make hormones. Hormones are substances released into the blood that control how other organs work.