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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.