Studies suggest social media may have health benefits for older adults

Research indicates older adults who use social media are less prone to depression, high blood pressure, and diabetes. 

Contrary to popular belief, older adults enjoy emailing, instant messaging, Facebook and other forms of social technology which may benefit their mental and physical health, a new study has claimed.

The study by researcher William Chopik from Michigan State University in the US has found that social technology use among older adults is linked to better self-rated health and fewer chronic illnesses and depressive symptoms. "Older adults think the benefits of social technology greatly outweigh the costs and challenges of technology," said Chopik, assistant professor of psychology. "And the use of this technology could benefit their mental and physical health over time."
 
Using data from 591 participants in the nationally representative Health and Retirement Study, Chopik examined the benefits of using technology for social connection among older adults (participants' average age was about 68). Social technology included email; social networks such as Facebook and Twitter; online video or phone calls, such as Skype; online chatting or instant messaging; and smartphones.

Previous research on technology use across the life span has focused on the digital divide or the disparities between younger and older adults painting a rather bleak picture of seniors' ability and motivation to adapt to a changing technological landscape. 

However, Chopik's findings challenge this interpretation. More than 95 per cent of participants said they were either "somewhat" or "very" satisfied with technology, while 72 per cent said they were not opposed to learning new technologies.

"Despite the attention that the digital divide has garnered in recent years, a large proportion of older adults use technology to maintain their social networks and make their lives easier," Chopik said. "In fact, there may be portions of the older population that use technology as often as younger adults." The study also found that social technology use predicted lower levels of loneliness, which in turn predicted better mental and physical health.

Participants who used social technology more generally were more satisfied with life and had fewer depressive symptoms and chronic conditions such as high blood pressure and diabetes. "Each of the links between social technology use and physical and psychological health was mediated by reduced loneliness," Chopik said.

"As we know, close relationships with other people are a large determinant of physical health and well-being, and social technology has the potential to cultivate successful relationships among older adults," he said. The findings are published in the journal Cyberpsychology, Behaviour and Social Networking.

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Grapeseed oil can lower heart disease, diabetes risk

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 A diet rich in a fatty acid that is essential for nutrition and found in grapeseed and other oils but not in olive oil may lower the risk of heart disease and diabetes, suggests a study.

The results showed that men and women with higher linoleic acid levels -- which contains omega-6 fatty acid -- are less prone to heart disease and inflammation and also possess more lean body mass.

Higher linoleic acid levels also means lower likelihood of insulin resistance, which is a precursor to diabetes.

"This finding could have obvious implications in preventing heart disease and diabetes, but also could be important for older adults because higher lean body mass can contribute to a longer life with more independence," said Martha Belury, professor at Ohio State University.

Grapeseed oil for now remains an excellent source of linoleic acid, which constitutes about 80 percent of its fatty acids. Corn oil also remains a decent source, the researchers noted. 

 However, the general consumption of linoleic acid is declining because of genetic modification of plants for food manufacturers seeking oils higher in oleic acid. The industry's push against trans fats can be one possible reason.

"Vegetable oils have changed. They're no longer high in linoleic acid," Belury pointed out.

When linoleic acid gets solid (hydrogenated) for processed foods, it is more likely to convert to trans fat than its oleic cousin.

So oils, notably safflower, sunflower and soybean, now routinely contain less linoleic acid - it often makes up less than 20 percent of the fatty acids in commonly purchased oils, based on food labels and confirmed by testing in her lab, Belury explained.

The study, published in the journal Molecular Nutrition & Food Research, is the first to examine linoleic acid alongside body composition and other health markers in people who hadn't been given supplements or prescriptive diets, the researchers noted.