Methamphetamine triggers brain inflammation through the same immune mechanisms that make it addictive. Scientists found that blocking a key immune molecule could reduce meth's effects on dopamine neurons, potentially offering a new prospect for treatment.
Federal health officials have moved 6 childhood vaccines off the routinely recommended schedule, framing it as expanding parental choice. A health policy researcher explains why the shift to "shared decision-making" could mean many children don’t get protected – especially in low-income families.