May 23, 2026

Science Chronicle

A Science and Technology Blog

May 23, 2026

Science Chronicle

A Science and Technology Blog

Author: Rajeev Jayadevan

ChildrenCognitive developmentScreen timeScrollingSocial media

Myth Versus Reality: Screen Use, Social Media May Not Harm Children’s Cognitive Development

Adolescents who used social media the least had the highest cognitive scores, while those who used it the most had the lowest. Increased social media use was associated with poorer performance in memory, language-related tasks, and lower overall cognitive composite score. The differences, though measurable, were not large

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Breast cancerCancerInfluenzaLung cancerSARS-CoV-2

Can viral infections lead on to cancer recurrence?

A study suggests that a viral infection such as influenza and SARS/CoV-2 can set off an inflammatory cascade that “wakes up” the sleeping cancer cells located in distant organs such as lungs and bone marrow, leading them to proliferate

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Cardiovascular diseaseCOVID-19Emergency use authorisationVaccine safetyVaccines

Are COVID vaccines responsible for sudden deaths? 

There is no scientific evidence linking COVID vaccines to sudden deaths. On the contrary, COVID-19 disease itself poses a significant cardiovascular risk, even years after apparent recovery. Studies have shown that those who received COVID vaccine are at lower risk of subsequent cardiovascular events and deaths.

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