A method for providing electromagnetic effects, the method comprising: arranging a system (115,115x) at or near a subject, wherein the system includes a body (15,35,55,75,85,95,105), wherein the body (15,35,55,75,85,95,105) includes a first runner (16,36,57,76,88,97), a second runner (17,37,58,77,89,98), a first wire (86a,96), a second wire, a third wire, and a fourth wire, wherein the first wire (86a,96) and the second wire form a first pair of twisted wires (86x,1421), wherein the third wire and the fourth wire form a second pair of twisted wires (87x,1422), wherein the first pair of twisted wires (86x,1421) is wound around the first runner (16,36,57,76,88,97), wherein the second pair of twisted wires (87x,1422) is wound around the second runner (17,37,58,77,89,98); and inducing a first alternating current through the first wire (86a,96), a second alternating current through the second wire, a third alternating current through the third wire, and a fourth alternating current through the fourth wire, such that the first alternating current, the second alternating current, the third alternating current, and the fourth alternating current generate an electromagnetic effect, wherein the first alternating current and the second alternating current flow in opposite directions around the first runner (16,36,57,76,88,97), and wherein the third alternating current and the fourth alternating current flow in opposite directions around the second runner (17,37,58,77,89,98); wherein the first alternating current and the second alternating current have a first frequency, and wherein the third alternating current and the fourth alternating current have a second frequency; wherein arranging the system (115,115x) includes helically intertwining the first runner (16,36,57,76,88,97) and the second runner (17,37,58,77,89,98) around each other in a shape of a double helix; wherein the arrangement of the body (15,35,55,75,85,95,105) of the system (115,115x) provides electromagnetic effects; and wherein the first pair of twisted conductive wires (86x,1421) includes magnet wires having a diameter of at least 0.81 mm. arranging a system (115,115x) at or near a subject, wherein the system includes a body (15,35,55,75,85,95,105), wherein the body (15,35,55,75,85,95,105) includes a first runner (16,36,57,76,88,97), a second runner (17,37,58,77,89,98), a first wire (86a,96), a second wire, a third wire, and a fourth wire, wherein the first wire (86a,96) and the second wire form a first pair of twisted wires (86x,1421), wherein the third wire and the fourth wire form a second pair of twisted wires (87x,1422), wherein the first pair of twisted wires (86x,1421) is wound around the first runner (16,36,57,76,88,97), wherein the second pair of twisted wires (87x,1422) is wound around the second runner (17,37,58,77,89,98); and inducing a first alternating current through the first wire (86a,96), a second alternating current through the second wire, a third alternating current through the third wire, and a fourth alternating current through the fourth wire, such that the first alternating current, the second alternating current, the third alternating current, and the fourth alternating current generate an electromagnetic effect, wherein the first alternating current and the second alternating current flow in opposite directions around the first runner (16,36,57,76,88,97), and wherein the third alternating current and the fourth alternating current flow in opposite directions around the second runner (17,37,58,77,89,98); wherein the first alternating current and the second alternating current have a first frequency, and wherein the third alternating current and the fourth alternating current have a second frequency; wherein arranging the system (115,115x) includes helically intertwining the first runner (16,36,57,76,88,97) and the second runner (17,37,58,77,89,98) around each other in a shape of a double helix; wherein the arrangement of the body (15,35,55,75,85,95,105) of the system (115,115x) provides electromagnetic effects; and wherein the first pair of twisted conductive wires (86x,1421) includes magnet wires having a diameter of at least 0.81 mm.