It’s too soon to declare herd immunity against COVID-19. My blood helps explain why

Texas Gov. Greg Abbott caused a stir recently when he said his state was “very close” to achieving herd immunity against COVID-19, that much-discussed but often-misunderstood goal that we’ve all been anticipating for months. If so, other states would be even closer, to judge by the numbers who have been infected, vaccinated, or both.

Verbal fluency deficits in multiple sclerosis may reflect impaired language ability

Kessler Foundation researchers showed that people with multiple sclerosis (MS) experience subtle language impairments that standard neuropsychological tests may incorrectly attribute to impaired executive functions. The article, “The role of language ability in verbal fluency of individuals with multiple sclerosis” was published on February 16, 2021, in Multiple Sclerosis and Related Disorders.