The researchers used magnetic resonance imaging, a safe, non-invasive imaging technique, to measure human brain volumes of the scholarly research participants. They found that the more serious the tobacco habit, the higher the brain injury. In smoking alcohol-dependent individuals, smaller sized regional [human brain] volumes are linked to greater cigarette-smoking severity, according to the scholarly study findings, with severity measured by degree of nicotine dependence, cigarettes smoked per day, and years of smoking.Related StoriesCost of radiation therapy varies widely among Medicare individuals with cancerACA launches nationwide effort to eliminate anti-competitive provision of Medicare lawMedicare individuals in rural settings have lower prices of post-discharge follow-up careAMA Response AMA plank member William Hazel said, ‘It is probably fantasy to believe that we are going to be able to create a quality program within the next 30 times that will solve Medicare’s problem. Absent that, we have to obtain the payment problem resolved.’ Hazel added, ‘The predicate for having an excellent system is to have sufficient funding in the machine for physicians to be able to afford to practice.