Drug addicts and their non-addicted siblings share certain features in the brain, suggesting a susceptibility to addiction is inherited but is also a flaw that can be overcome, scientists said on Thursday. Researchers who scanned the brains of 50 pairs of brothers and sisters of whom one was a cocaine addict found that both siblings had brain abnormalities that make it more difficult for them to exercise self-control. The findings increase understanding … full story

Patients with HIV infection without a prior history of coronary heart disease may be at a higher risk of developing heart failure. “Heavy alcohol consumption, which is more prevalent among HIV-infected people, is also an established risk factor for heart failure,” the study authors write. Adeel A. Butt from the University of Pittsburgh School of Medicine and colleagues analyzed data from HIV-infected and HIV-uninfected veterans enrolled in the … full story