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A study published in February 2026 found that midlife women who reported more anxiety about aging tended to show faster epigenetic aging. The report also describes lifestyle and environmental factors associated with aging, while noting that evidence for some proposed contributors is limited.
A study of 726 midlife women linked greater anxiety about getting older with faster epigenetic aging, a measure of biological changes in how genes are switched on and off. Published in the February 2026 issue of Psychoneuroendocrinology, the finding adds to research on how psychological and lifestyle factors may relate to aging, but does not show that worry itself causes faster aging.
The study focused on anxiety about aging, particularly concerns about declining health. Women who reported more of that anxiety tended to show faster epigenetic aging, according to the report by Maureen Salamon, executive editor of Harvard Women’s Health Watch. The supplied material does not provide details about the size of the association, the specific biological test used, or whether researchers followed participants over time.
The report distinguishes chronological age, measured in years since birth, from biological age, which refers to aspects of how the body functions and can be estimated using measures such as fitness, blood pressure and cholesterol. It lists UV exposure, chronic stress, poor sleep, smoking, inactivity and obesity among factors associated with faster aging. It also names frequent alcohol use, excess radiation, pollution and shift work as potential contributors.
Some proposed factors have less direct evidence. The report says there is no direct evidence that yo-yo dieting accelerates aging, though large and repeated changes in a cell’s environment could theoretically affect epigenetic changes. It also discusses bright light, loud music, social isolation and gut microbiome imbalance, with chronic inflammation presented as a possible link to aging.
Anxiety Joins the Aging Research
The findings broaden discussion of aging beyond visible changes and long-established lifestyle risks. If anxiety about aging is associated with biological measures, it may be relevant to how researchers study the relationship between psychological well-being and health over time. The study alone cannot establish that reducing anxiety would slow biological aging, or that its results apply to people outside the group of midlife women studied.
The report also emphasizes that biological aging is not a single measure. It can be estimated in different ways, and the supplied account does not identify the test or explain how much faster participants’ epigenetic aging appeared. That limits what readers can conclude from the headline finding.
Lifestyle and Biological Age
The report attributes to Harvard geneticist David Sinclair the view that genes account for up to half of how quickly people age, with the rest influenced by other factors, including lifestyle. Sinclair’s Information Theory of Aging describes aging as a loss of the body’s ability to read genetic information effectively. This is a framework offered by the researcher, not a finding established by the women’s anxiety study.
Sinclair identifies two broad pressures: conditions of abundance, such as too much food and too little movement, and damage to cells, including from sunburn. The report says regular exercise, high-quality sleep, a plant-forward diet, social connection, a positive outlook and a sense of purpose are supported by research on healthy aging. Those measures are general health context; the article does not say the study tested whether they changed participants’ epigenetic aging.
“There’s a big difference between your birthdays and your biological age — and only the latter can be changed.”
— David Sinclair, professor of genetics at Harvard Medical School, as quoted in the report
Limits of the Study Findings
The report does not give the study’s methods, effect size, participants’ demographic details beyond being midlife women, or information about other variables researchers accounted for. It is therefore unclear how large the observed association was and whether anxiety preceded the epigenetic changes. The result is an association and does not establish that anxiety causes faster aging.
Evidence also varies across the other factors listed. The report explicitly says there is no direct evidence that yo-yo dieting accelerates aging; several other proposed contributors are described as linked to stress hormones, inflammation or health risks without details of the studies behind those links. The supplied material does not establish how much any one factor changes biological age.
What Further Research Needs
Further research would need to clarify how anxiety about aging relates to epigenetic measures over time, whether the association holds across different groups, and what role other health and lifestyle factors play. The supplied report does not identify a planned follow-up study or a next research milestone.
For now, the report points to established healthy-aging measures such as regular activity, adequate sleep, a plant-forward diet and maintaining social connections. It does not present these as a proven way to reverse epigenetic aging or as a treatment for anxiety.
Key Questions
What did the February 2026 study find?
Among 726 midlife women, greater anxiety about aging was associated with faster epigenetic aging. The finding does not prove that anxiety caused the difference.
What is epigenetic aging?
It refers to biological changes involving how genes are switched on and off. The report describes it as one way researchers estimate biological age, which differs from chronological age.
Which factors does the report associate with faster aging?
It lists UV exposure, chronic stress, poor sleep, smoking, inactivity and obesity, along with possible contributors such as pollution, shift work and social isolation. Evidence and explanations vary by factor.
Does the study show that worry makes people age faster?
No. The reported finding is an association between anxiety about aging and faster epigenetic aging in the women studied. The supplied material does not establish cause and effect.
What does the report say may support healthy aging?
It cites regular exercise, consistent high-quality sleep, a plant-forward diet, strong social connections, a positive outlook and a sense of purpose. It does not claim these measures reverse aging.
Source: rss
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