The scientist 's report notes that people using heroin regularly `` develop a tolerance to the drug , and such individuals can use doses that would be toxic , or fatal , to people with no tolerance . '' NEW : Puncture marks found on Peaches Geldof 's arms and one hand , an inquest hears . Comment: She had been on a methadone program , an inquest hears . Police found heroin in her home of a much greater purity than average found on the street .
NEW : Puncture marks found on Peaches Geldof 's arms and one hand , an inquest hears . Comment: She had been on a methadone program , an inquest hears . Police found heroin in her home of a much greater purity than average found on the street .