The genes behind lung cancer offer a complicated picture when smoking history is included in the analysis. But among smoking-associated lung cancer, tracking myeloid cells proves a useful clue for prognosis.
Long-term treatment with stimulant medication could lead to further decreases in dopaminergic signaling when a patient with ADHD goes on a “treatment holiday,” judging from this study of brain images of adult ADHD patients.
There’s more evidence to support the new American Urological Association guidelines on routine prostate-specific antigen (PSA) screening. This large population-based cohort study found it is difficult to justify initiating PSA screening at age 40 for men with no other significant risk factor.