New Delhi, July 10 (ANI): Daniel Radcliffe, who smokes 20 cigarettes a day is going to rehab to beat his smoking addiction, according to reports. A source told the leading daily that it will be a kind of residential treatment programme that will involve counseling, both individual and group and stress management and herbal treatments to help withdrawal symptoms. The insider asserted that Daniel knew he had an addictive personality, and he had been open in the past about his drinking demons. The insider added that now the 'Harry Potter' star saw cigarettes as his last major vice to conquer, and he was confident that he will succeed once again.