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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
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.
Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.
On average, the stomach produces 2 L of hydrochloric acid per day.