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The concentration of nicotine in liquid products is higher than in most other forms of tobacco

Several species of bacteria found in smokeless tobacco products have been associated with opportunistic infections, according to a paper published August 26 in Applied and Environmental Microbiology , a journal of the American Society for Microbiology

These substances, which are also known as allergens, are often harmless and are typically present in the environment

While only 2.4 percent of non-rural Floridian adults use smokeless tobacco, 6.3 percent of rural adults use these products an astounding increase of 162.5 percent

Mucus traps particles like dust and pollen, as well as bacteria and viruses