Having no friends is deadlier than smoking

When we were small, we were all taught about things which are good for us and things which are bad for us. Some good things are having good friends who care for you like no one else and some bad things were drugs, alcohol, smoking etc. Now recent research shows that there is something deadlier than smoking. Yes..seriously..something worse than smoking. And you know what that is? Having no friends.



So the research findings which were published in the journal Proceedings of the Royal Society B say that not having friends may be as deadly as smoking. According to a new Harvard study, there is a link between social isolation and levels of a blood-clotting protein which can cause heart attacks and stroke.

According to the researchers, loneliness triggers the ‘fight or flight’ stress signal which increases levels of the protein fibrinogen in case of injury and blood loss. However, too much fibrinogen is bad for the body as it could raise blood pressure and cause the build-up of fatty deposits in the arteries.

The researchers who were from Harvard University in the US compared levels of fibrinogen with the number of friends and family in a person’s social network and found a link between the two. According to them, as the number of social connections fell, the level of the blood clotting protein rose.

It was found that those who had only five people in their social network had 20 per cent higher levels fibrinogen than people with 25. They also found that having 10-12 fewer friends had the same impact on fibrinogen levels as taking up smoking.

According to researchers, social isolation leaves people feeling threatened and vulnerable which activates an ongoing ‘fight or flight’ response which can be dangerous in the long run.

“Measurement of the whole social network can provide information about an individual’s cardiac risk that is not necessarily apparent to the individual herself,” said David Kim from Harvard.

“Social connectedness displays a significant association with fibrinogen,” he said.

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