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When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.
Blood is approximately twice as thick as water because of the cells and other components found in it.
Excessive alcohol use costs the country approximately $235 billion every year.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.