Treating episodes of surging blood pressure, hot flashes and nausea with Xanax may miss a root cause; Can liver fibrosis be reversed? Researchers discover 96 environmental chemicals lurking in toddlers’ bodies; 12% of doctors 70 and older found to have cognitive deficits—time to take the keys away?  Early to bed, early to rise . . . permits more exercise; Tailored probiotic sponges up toxic PFAS chemicals in GI tract; Let’s retire the misleading BMI as a guide to optimal body composition.