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their rheumatologist and their primary care doctor to understand that their IL-6 has closed the iron gates with a biologically appropriate but clinically devastating precision. They need IV iron that bypasses the blocked absorption and...

scales in the brain. Much ongoing work in MRI is focusing on this challenge, aiming to make imaging methods more biologically precise6. A second limitation is that we can’t separately measure entry and exit from the brain in humans. For...

and most important section of the paper. The authors try to interpret what these detected elements might mean biologically, while comparing their measurements with toxicology literature. They acknowledge that this was only a pilot study...

conducted a sensitivity analysis, in which and were independently sampled from log-uniform distributions spanning the full biologically plausible range for each organ (n = 300 parameter sets; see “Methods”). Across all post-mitotic...

from every mitochondrion rapidly and completely. It was thus believed that MOMP was often a lethal event. Nonetheless, biologically significant exceptions to the all-or-nothing viewpoint were discovered. Specific postmitotic cell types...

there is nothing left to learn. Studies of “Self-Directed Education” or “Unschooling” suggest that children are biologically wired to learn, and that removing the coercion of traditional schooling leads not to ignorance but to highly...

trees stretches across the steep ridges of Bwindi Impenetrable national park, one of Africa’s oldest and most biologically diverse rainforests sheltering more than 400 species of plants and nearly half of the world’s remaining mountain...

models emphasized muscle contracture or central sensitization, but growing evidence highlights fascia as a biologically active, pain-relevant tissue. Pathological alterations such as densification, fibrosis, and inflammation may generate...

and coreceptors enable their binding to different cells, tissues, and surfaces. Mast cells store a wide spectrum of biologically active mediators that may have a potential positive or negative effect on various target cells. Upon...