Nation/World

Sitting may be health risk

Attendees sit or stand during a conference on sitting at Stanford University in Palo Alto, Calif., on Thursday.  (Associated Press)
Attendees sit or stand during a conference on sitting at Stanford University in Palo Alto, Calif., on Thursday. (Associated Press)

Research suggests link with weight issues, heart disease

PALO ALTO, Calif. – As you might expect at a conference on the health dangers of sitting, most of the seats were empty.

It was well attended, but the scientists and health experts who did gather Thursday at Stanford University were encouraged to get up from their chairs, stretch their legs, pace the room, even stand during discussions ranging from the risks of inactivity to technological solutions for reducing time on one’s behind.

“Certainly the irony of having everyone sit through a conference on the perils of sitting was not lost on us,” said Anne Friedlander, a consulting professor of human biology at Stanford and an organizer of the two-day conference titled The Science of Sedentary Behavior.

Friedlander opened the event by telling participants that they could monitor their sit-time on a timer displayed on a big screen behind the lectern. Alternative seating, including exercise balls, was also available. A campus walking tour would end the day.

“It’s almost impossible to sit down for long periods when you know what’s going on in your body while you’re sitting,” Friedlander said.

Although much of the research into the health risks is preliminary, several studies suggest that people who spend prolonged periods on their behind are more likely to be overweight, have heart disease or even die.

Inactivity, the studies also say, decreases circulation and the body starts shutting down on a metabolic level.

The goal of the conference was to discuss the existing science on the topic and what research is still needed.

Neville Owen, professor of health behavior at the University of Queensland in Australia, said much of the research into sedentary behavior also has focused on weight gain or loss. Another goal of the conference is to approach the subject more broadly, knowing that preliminary research shows that prolonged sitting affects more than just your waistline, he said.

Participants were quick to note challenges to new research, including separating the many variables that can influence bad health from the sole act of sitting.

“We know there are links between too much sitting and risks to health,” said David Dunstan, an associate professor at the Baker IDI Heart and Diabetes Institute in Melbourne, Australia. “But we have yet to figure out the exact causes and to what effect.”



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