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Inseurity in love can weaken your immune system

Living under constant fear of being jilted by loved ones may suppress your "natural killer" immune system cells, according to a new study.

india Updated:

Living under constant fear of being jilted by loved ones may suppress your "natural killer" immune system cells, according to a new study.

Feeling insecure in close relationships may take a toll on the immune system, preliminary Italian research suggests.

A team led by Dr Angelo Picardi from the Italian National Institute of Health in Rome reports its findings in the current issue of the journal Psychosomatic Medicine.

In a study of 61 healthy women the researchers found that those who had difficulty establishing close, trusting relationships showed signs of weaker immune function.

Specifically, lab experiments showed that the women's "natural killer" immune system cells were less lethal compared with those from other study participants.

Whether this means they're more susceptible to disease is unknown, and for now the answer to that question is a "very prudent maybe", says Picardi.

The findings are in line with research showing that chronic stress can impair immunity, and the extent of the impact may depend on how an individual perceives and responds to stress.

The researchers looked at the trait known as "attachment insecurity," characterised by difficulty trusting and depending on others, feeling uncomfortable with emotional intimacy or worrying about being abandoned by loved ones.

A person's "attachment style" forms in childhood, based on a child's relationship with his or her parents, says Picardi. And it affects and is further shaped by romantic relationships later in life.

So attachment style can be seen as a fairly stable trait that affects a person's response to stressful events, he says.

Picardi says attachment insecurity affects people's ability to regulate their own emotions, including how they perceive and deal with stress - which may affect the body's physiological response to stress.

The researchers measured the women's attachment style using standard questionnaires and collected blood samples to study the function of their immune system cells.

In general, the study found, women with greater attachment insecurity had lower activity in their natural killer cells, key defenders against illness.

Picardi noted that in other research, his team has found associations between insecure attachment and certain skin diseases related to immune dysfunction.

These include plaque psoriasis, a condition where scaly patches form on the skin, and alopecia areata, an autoimmune disorder that causes hair loss.

"However," he says, "it should be underscored that a causal link between insecure attachment, impaired immunity, and poorer health is far away from being proved."

First Published: Feb 15, 2007 17:23 IST