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 …

Read Article Read More

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 …

Read Article Read More

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 …

Read Article Read More

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 …

Read Article Read More

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 …

Read Article Read More

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 …

Read Article Read More

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 …

Read Article Read More

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 …

Read Article Read More

Uncategorized Mindset and Heartset

Mindset and Heartset

Is mindset all there is? I recently attended a gathering of senior executives seeking to drive change in their organizations and was struck by how much mindset dominated the conversation. It was all about the assumptions and beliefs of the people in their organizations. They wanted to know what kind of evidence and reasoning would …

Read Article Read More

Uncategorized Uncovering the neurological basis for processing social information

Uncovering the neurological basis for processing social information

Neuroscientists are developing a clearer picture than ever before of how the animal brain processes social information, from status and competitive advantage in a group to the calls and vocalizations of peers. New studies in mice and marmosets help us understand a range of disorders defined by deficits in social function and identify mechanisms that …

Read Article Read More