Background Not all cognitively impaired people have dementia, but those who do not meet
current criteria for dementia have received little study. We report a comprehensive estimate of …

Background People age at remarkably different rates, but how to estimate trajectories of
senescence is controversial. Methods In a secondary analysis of a representative cohort of …

Vaccination policies have shifted dramatically during COVID-19 with the rapid emergence of
population-wide vaccine mandates, domestic vaccine passports and differential restrictions …

Context The importance of early identification of dementia has prompted numerous investigations
of mild cognitive impairment and the preclinical stages of progressive degenerative …

Social, ethical and policy analysis of the issues arising from gene patenting and commercial
genetic testing is enhanced by the application of science and technology studies, and Actor-…

Background The Expanded Program on Immunization (EPI) is still in need of improvement.
In Burkina Faso in 2003, for example, the Nouna health district had an immunization …

“Vaccine hesitancy” is a concept now frequently used in vaccination discourse. The
increased popularity of this concept in both academic and public health circles is challenging …

The COVID-19 pandemic represents not only the spread of a highly contagious and potentially
fatal virus, but also an outbreak of theories, rumors, discourses and representations trying …

Background In 6-month anti-dementia drug trials, a 4-point change in the Alzheimer's Disease
Assessment Scale-Cognitive Subscale (ADAS-Cog) is held to be clinically important. We …

COVID-19 vaccine acceptance exists on a continuum from a minority who strongly oppose
vaccination, to the “moveable middle” heterogeneous group with varying uncertainty levels …