Social stress ages your immune system, studies find

“People with high stress scores have an old-looking immune profile, a low percentage of freshly ill fighters, and a high percentage of worn-out T cells,” Cropack said.

In addition to having more zombie cells for those who reported high stress levels, Klopack and his team found that they also had fewer “naive” T cells, the young and fresh cells needed to take on new invaders. discovered.

“This paper adds to the discovery that psychological stress on the one hand and happiness and resources are associated with immunological aging on the other,” said clinical psychologist Susanne Seegelstrom, who was not involved in the study. Said.

Segerstrom, a professor of developmental psychology, social psychology, and health psychology at the University of Kentucky at Lexington, studies the relationship between self-regulation, stress, and immune function.

“In one of our new studies … older people with more psychological resources had” younger “T cells,” Segerstrom said.

Bad health behavior

Cropack research, Published in the Bulletin of the National Academy of SciencesAnalyzed blood biomarkers of 5,744 adults over the age of 50 collected as part of Research on health and retirementA long-term national survey of economic, health, marital and family stress in older Americans.

Research subjects were asked about levels of social stress, such as “stressful life events, chronic stress, daily discrimination, and lifelong discrimination,” Cropack said. They then compared their response to the levels of T cells found on blood tests.

“This is the first time a large national survey has collected detailed information about immune cells,” Cropack said. “We found that older people with a lower percentage of naive cells and a higher percentage of older T cells had an older immune system.”

The study found that the association between stressful life events and naive T cell depletion remained strong even after managing education, smoking, drinking, weight, race or ethnicity.

However, taking into account poor diet and lack of exercise, part of the relationship between social stress levels and the aging immune system has disappeared.

The findings show that how much the immune system ages when we are stressed is under our control, Cropack said.

The effect of stress on the brain

Experts say that when stress hormones flood the body, the neural circuits of the brain change, affecting the ability to think and make decisions. Anxiety may increase and you may change your mood. All of these neurological changes affect the entire body, including the autonomic nervous system, metabolic system, and immune system.

“The most common stressors are those that act chronically, often at low levels, and act in specific ways. For example,” stressed “can make you anxious, depressed, or sleep at night. It may disappear. To eat comfortable foods, get more calories than our bodies need, and drink and drink too much alcohol, “said renowned neuroendocrinologist Bruce McKien. It is written like this. 2017 review The effects of stress on the brain.

In 2020, after 54 years of studying neuroendocrinology at Rockefeller University in New York City, McCueen made the groundbreaking 1968 discovery that the hippocampus of the brain could be altered by stress hormones such as cortisol. Died in.

“I’m stressed,” which can reduce my involvement in regular physical activity, such as neglecting to meet friends, taking a break from work, or sitting in front of a computer and trying to get out of the bottom. there is. There is too much to do. “

What should I do

There is a way to Stop the stress of that track.. Deep breathing raises the parasympathetic nervous system. The reaction of “escape or fight”. Filling the abdomen with air up to 6 counts ensures deep breathing. Moving your body like slow motion is another way to create a calming reflex.

Interrupt stress and anxiety thinking Cognitive behavioral therapy Or CBT. Randomized clinical trials have been shown to alleviate depression, anxiety, obsession, eating and sleep disorders, substance abuse, post-traumatic stress disorders, and more.This practice According to experts, it tends to focus on the present rather than the past, and is usually a short-term treatment.

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