Introduction. Transcutaneous electrical nerve stimulation (TENS) is a method of pain relief that can help some people with long-term painful conditions. A TENS machine is a small, battery-operated device that has leads connected to electrodes.You attach the electrodes to your skin using self-adhesive pads.ranscutaneous electrical nerve stimulation (TENS) is a method of pain relief that can help some people with long-term painful conditions.
Yet before he was 40, Wright dominated literary America, publishing four books in seven years, each a triumph in its genre. His first novel, ''Native Son'' (1940), sold at the rate of 2,000 copies a day, making Wright the first best-selling black writer in the country's history. ''Black Boy'' (1945), his memoir of his Southern childhood, was a bigger success, selling more than a half-million copies.
Roots: The Saga of an American Family is a novel written by Alex Haley and first published in 1976. It tells the story of Kunta Kinte, an 18th-century African, captured as an adolescent and sold into slavery in the United States, and later follows his life and the lives of his descendants in the United States down to Haley.