Psychology & Psychiatry

CDC reports the rich sleep better at night

The U.S. Centers for Disease Control and Prevention has conducted a sleep study and found that rich people, on average, sleep longer at night than poor people. According to a report by CNN, researchers at the agency sent ...

Diseases, Conditions, Syndromes

How contagious are kids with COVID? Short answer: We don't know

Are children a major source of contagion for COVID-19? Ten months into a pandemic that has claimed 1.2 million lives experts are still divided on the question, even as governments must decide whether to keep classrooms open ...

Diseases, Conditions, Syndromes

US reaches 100 million with vaccines as Europe faces hiccups

The United States reaped the fruits Friday of its vaccination campaign against Covid-19 as it became the first nation to reach 100 million people, but Europe's rollout faced fresh impediments and South America tightened restrictions ...

Diseases, Conditions, Syndromes

Messenger RNA Covid vaccines 66% effective against Delta: US study

The effectiveness against infection of the Pfizer and Moderna COVID-19 vaccines dropped from 91 percent before the Delta variant became dominant to 66 percent afterwards, according to a large study of US health workers published ...

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