Neuroscience

Children's headaches and mental health worsened during pandemic

Since the beginning of the COVID-19 pandemic, many pediatric patients who suffer from headaches have experienced more frequent headaches and worsening anxiety and mood, and a new study finds links to stress, decreased physical ...

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Screening

Screening, in general, is the investigation of a great number of something (for instance, people) looking for those with a particular problem or feature. One example is at an airport, where many bags get x-rayed to try to detect any which may contain weapons or explosives. People are also screened going through a metal detector. Even though the procedure aims at a large number of screens, it is always equivalent to sampling in statistics, because the complete population is almost always inaccessible for screening.

Screening has other, more specific meanings:

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