More. 1  Oxygen Levels and Brain Function The brain consumes about 25 percent of a personâs oxygen intake, so proper brain function requires enough blood oxygen. 2  How Oxygen Affects the Heart The heart is a key player in making sure oxygenated blood travels to the organs and tissues that need it.
What are signs or symptoms of kidney cancer? Unfortunately, kidney cancer rarely causes visible signs or symptoms in its early stages. In the later stages, the most common sign of both renal cell and transitional cell cancers is blood in the urine (hematuria).
1 Symptoms of kidney cancer include blood in the urine, pain in the side or flank that is constant, a lump or mass in the abdomen or side, fever, weight loss, and fatigue. Side effects of kidney cancer treatment related to the methods used and may include nausea and vomiting, weakness, weight loss, infection, flu-like symptoms, diarrhea, skin rash and hair loss.