Uncategorized In-person social contact may protect against psychiatric disorders

In-person social contact may protect against psychiatric disorders

The results showed that participants who had in-person contact at least a few times per week had about 50 percent lower odds for both major depression and PTSD symptoms, compared with participants who saw friends and family infrequently. The researchers caution that the results cannot prove a direct cause and effect between social contact and …

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Uncategorized Cooperative, but not gullible – MDMA doesn’t increase trust

Cooperative, but not gullible – MDMA doesn’t increase trust

New research from King’s College London has found that MDMA, the main ingredient in ecstasy, causes people to cooperate better – but only with trustworthy people. In the first study to look in detail at how MDMA impacts cooperative behaviour the researchers also identified changes to activity in brain regions linked to social processing. Problems …

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Uncategorized Social isolation linked to higher risk of death

Social isolation linked to higher risk of death

A large American Cancer Society study links social isolation with a higher risk of death from all causes combined and heart disease for all races studied, and with increased cancer mortality in white men and women. The study, appearing in the American Journal of Epidemiology, says addressing social isolation holds promise if studies show interventions …

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Uncategorized Is blood pressure increase with age due to a western lifestyle?

Is blood pressure increase with age due to a western lifestyle?

A common belief in cardiology is that blood pressure (BP) increases with age, although studies find little evidence of that among non-Western adults in isolated communities. But does the association between age and BP differ in two isolated communities with different levels of Westernization? In this study, researchers examined the association between age and BP …

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Uncategorized Social relationships more important than hard evidence in partisan politics

Social relationships more important than hard evidence in partisan politics

Three factors drive the formation of social and political groups according to the research: social pressure to have stronger opinions, the relationship of an individual’s opinions to those of their social neighbors, and the benefits of having social connections. A key idea studied in the paper is that people choose their opinions and their connections …

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Uncategorized Without open communication, no cooperation

Without open communication, no cooperation

In the world of game theory, indirect reciprocity is played out using two randomly selected individuals in a population: one donor, one recipient. The donor then needs to decide whether or not to help the recipient based on their social norms. The donor’s decision may depend on the reputations of the two individuals, and on …

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Uncategorized How vitamin D and fish oil affect risk of heart attack, stroke and cancer

How vitamin D and fish oil affect risk of heart attack, stroke and cancer

While earlier trials have examined whether fish oil or other supplements may prevent heart attack or stroke in patients with a history of heart disease or at very high risk of such disease, VITAL is the first large trial of omega-3 fatty acids for primary prevention – that is, preventing the first occurrence – of …

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Uncategorized Stresses Passed Along to Offspring

Stresses Passed Along to Offspring

A stressed-out and traumatized father can leave scars in his children. New research suggests this happens because sperm “learn” paternal experiences via a mysterious mode of intercellular communication in which small blebs break off one cell and fuse with another. Carrying proteins, lipids and nucleic acids, these particles ejected from a cell act like a …

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Uncategorized Can social media lead to labor market discrimination?

Can social media lead to labor market discrimination?

For the study, researchers set up an experiment that involved sending more than 800 applications from two fictitious applicants who differed in their cities of origin, a typical French town (Brives-la-Gaillarde) or Marrakesh, Morocco. This information is available only on their Facebook profiles, not on the resumes or the cover letters sent to recruiters. The …

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Uncategorized Genetics has limited influence on longevity

Genetics has limited influence on longevity

Although long life tends to run in families, genetics has far less influence on life span than previously thought, according to a new analysis of more than 400 million people. The results suggest that the heritability of life span is well below past estimates, which failed to account for our tendency to select partners with …

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