“A new paper (Crepeaux et al.) by the Gherardi research group in France reports important results on the toxicity and transport of aluminum (Al) adjuvant in mice. This single study is especially valuable because it looked at many outcomes: behavioral effects, immune (microglial) activation in the brain, and Al transport into the brain. The study tested dosages of 200 , 400 and 800 mcg/Kg, injected intramuscularly (IM). The Al adjuvant used was AlOH (brand name Alhydrogel), the most common vaccine adjuvant in use today. It is used in the tetanus, Hep A, Hep B, HiB, pneumococcal, meningococcal, and anthrax vaccines....