Scientists find first physiological evidence of brain's response to inequality

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1. First evidence that the brain’s native dendritic cells can muster an immune response
   The human brain is a delicate organ, robustly defended. A thick skull shields it from any direct exposure to the outside world, and the blood-brain barrier keeps out any foreign substances that are circulating within. New research shows that the brain may have its own specialized immune defenses, too.
2. More Evidence That Intelligence Is Largely Inherited: Researchers Find That Genes Determine Brain's Processing Speed
   A new type of brain imaging scanner shows that intelligence is strongly influenced by the quality of the brain's axons or wiring that sends signals throughout the brain. The faster the signaling, the faster the brain processes information. And since the integrity of the brain's wiring is influenced by genes, the genes we inherit play a far greater role in intelligence than was previously thought.
3. Scientists Present First Genetic Evidence For Why Placebos Work
   Researchers have found a new explanation for why placebos work -- genetics. They report that in people suffering from major depressive disorder, genes that influence the brain's reward pathways may modulate the response to placebo.
4. Brain's Response To Seeing Food May Be Linked To Weight Loss Maintenance
   A difference in brain activity patterns may explain why some people are able to maintain a significant weight loss while others regain the weight, according to a new study.
5. Scientists Remove Amyloid Plaques From Brains Of Live Animals With Alzheimer's Disease
   A breakthrough discovery in mice may lead to a new treatment for Alzheimer's disease that actually removes amyloid plaques -- considered a hallmark of the disease -- from patients' brains. This discovery is based on the unexpected finding that when the brain's immune cells (microglia) are activated by the interleukin-6 protein (IL-6), they actually remove plaques instead of causing them or making