Dermatologist looking at a spot on the arm of a senior woman Photo Credit Paul/F1online/Getty Images. The term barnacle refers to a condition known as seborrheic keratosis, where large, benign spots and mole-like growths appear on the body.Usually the result of genetics and old age, there is no way to prevent these dark spots from appearing on your skin as you advance in age.ermatologist looking at a spot on the arm of a senior woman Photo Credit Paul/F1online/Getty Images. The term barnacle refers to a condition known as seborrheic keratosis, where large, benign spots and mole-like growths appear on the body.
Microsoft's big earnings beat is because of one business that is exploding (MSFT)
Introduction. Twenty years after its implementation, the North American Free Trade Agreement, or NAFTA, has helped boost intraregional trade between Canada, Mexico, and the United States, but has fallen short of generating the jobs and the deeper regional economic integration its advocates promised decades ago.upporters of NAFTA, and many economists, see a positive impact on U.S. employment and note that new export-related jobs in the United States pay 15 to 20 percent more on average than those focused on domestic production.