|
|
Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.
In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.