We know about the dangers of high cholesterol, high blood pressure, and of sedentary lifestyles. How about other heart-disease risks? How about how stress, inflammation, and a lack of mindful practice can also endanger heart health? We'll take a closer look at some of the less-considered contributors to heart disease—namely,
inflammation,
excess oxidation,
stress,
isolation, and
absent reconnection—below
.
Inflammation Inflammation contributes to heart disease by irritating and damaging blood vessels, which enables the accumulation of cholesterol-rich plaques, resulting in atherosclerosis. When these plaques rupture, they can cause blood clots that block blood flow, causing heart attacks and strokes. Overproduction of inflammatory cytokines—proteins secreted by immune cells that trigger and promote inflammation, a natural response to infection or injury, including interleukins (IL), chemokines, interferons, and tumor necrosis factors (TNF)—in particular can give rise to chronic diseases like heart disease, diabetes, and arthritis (Kerry, 2025). Chronic inflammation can also weaken the heart muscle—a condition known as cardiomyopathy—leading to heart failure.
The damage to arteries is among the critical dangers of inflammation. Actually, when cholesterol penetrates the arterial wall, the immune system deploys an
inflammatory sequence (Lu, Liu, & Zhang, 2015). The area is deluged by immune cells, toward scouring the mass of cholesterol; but, the immune cells release inflammatory chemicals in the meantime (Lu, Liu, & Zhang, 2015). The inflammation spurs the growth of even more plaques, gradually narrowing and hardening the arteries. Chronic inflammation can destabilize the fibrous cap keeping the plaque in place. When the cap bursts, inflammatory cells and cholesterol spill into the artery, precipitating the formation of a blood clot.
This cascade of events, triggered by inflammation, often leads to cardiac emergencies. A blood clot resulting from a ruptured plaque can completely block blood flow to a part of the heart, causing a heart attack. Relatedly, a clot that travels to the brain can block blood flow, causing a stroke. Persistent inflammation can damage the heart muscle, making it difficult for the heart to pump blood effectively. Moreover, it can lead to fibrosis and hypertrophy, or thickening, of the heart muscle, further contributing to heart failure.
Another possible side effect of inflammation is weight gain—potentially leading to obesity—through the disruption of hormones, which regulate appetite and metabolism, inducing conditions like insulin resistance and leptin resistance. Leptin resistance is when leptin—a hormone that indicates fullness—is not properly transmitted to your brain. If your brain is not alerted, you will overeat and your metabolism will be slowed Insulin resistance entails a disregulation of insulin, the hormone that regulates blood sugar. This can cause glucose levels to rise, promoting weight gain. Chronic inflammation can also increase stress hormones like cortisol, which further promotes fat storage. Occasionally, inflammation can cause adipocytes (fat cells) to enlarge, increasing total body fat, also contributing to weight gain. Additionally, inflammation can interfere with sleep. Lack of quality sleep disturbs hunger hormones, increasing appetite and cravings for high-calorie, and high-fat, foods. Underlying health conditions can also exacerbate inflammation, and it pays to be mindful. Conditions like PCOS or Hashimoto's disease—an autoimmune disorder where the immune system attacks the thyroid gland, leading to chronic inflammation and, frequently, an underactive thyroid (hypothyroidism), as evidenced by a goiter, an enlarged thyroid—can affect metabolism and hormones, impeding weight loss.
Dietary and exercise choices, during the holidays, can minimize or offset inflammation. Pack your holiday favorites with high-fiber, high-protein, and low saturated fats options—e.g., whole-grain macaroni and Greek yogurt for your mashed potatoes—so you won't skimp on flavor. Additionally, make raw or lightly cooked vegetables and fruits your sides for holiday dinners and gatherings. Make cardiovascular exercise—even walking or jogging—and strength-training—pull-ups, pushups, planks, lunges, and limited reps with substantial weights—a part of your routine, with at least 30 minutes of moderate exercise, or at least 15 minutes of vigorous exercise, daily, five days per week. Doctors can also monitor inflammation markers like high-sensitivity C-reactive protein (hs-CRP) and may prescribe medications, such as statins or other anti-inflammatory drugs, to reduce inflammation and lower risk. (citation)
Excess Oxidation Excess oxidation—also known as oxidative stress—is an imbalance between free radicals—an exorbitant number of unstable molecules, accompanied by unpaired electrons, which are natural byproducts of healthy cell metabolism, used for essential functions like combatting pathogens—and antioxidants (with a lack of antioxidants to eliminate the surfeit of free radicals) that leads to cell and tissue damage, and cell death (Eske, 2025). Symptoms may include fatigue, brain fog, premature aging, pain, elevated susceptibility to infection, and increased inflammation (Sies, Berndt, & Jones, 2017) . This complex condition can contribute to heart disease in addition to cancer, diabetes (Reddy, 2023), and even neurological disorders like Alzheimer's disease, Parkinson's disease, or ALS (Cleveland Clinic, 2024). Excess oxidation is a grave condition, but it can also be alleviated through prudent lifestyle choices, which we'll discuss below.
Oxidative stress can be mitigated, and even avoided, through dietary and environmental factors. A diet rich in fruits and vegetables, with healthy doses of lean meats, whole grains, and polyunsaturated fats build a formidable protective barrier against excess oxidation in your body. You should also refrain from smoking and excessive alcohol use. Moreover, exposure to pollution, radiation, pesticides, and sunlight—if sunscreen is not properly applied—can increase free radical production. Regulating exposure to environmental threats and adhering to a whole-food diet will ensure any oxidative stress stays in check.
Stress Chronic or severe negative stress (as opposed to positive stress, or eustress, which we'll talk about later) can lead to high blood pressure, inflammation, and unhealthy lifestyle choices—all drivers of heart disease. Constant distress keeps the body in an overwrought state, which can raise blood pressure and cholesterol levels. Plus, a sudden surge of adrenaline from acute stress can cause coronary arteries to constrict or, in those with existing plaque, can lead to a rupture or a blood clot, precipitating a heart attack (Vaccarino & Bremner, 2024). Distress also increases inflammation, as we've already seen, making it a key risk factor for heart disease. Moreover, distress can incline one towards unhealthy habits like smoking, overeating, or inactivity, which further undermine heart health. What is often overlooked is how stress rips you from the here-and-now and thrusts you into the derailing, distracting, foreboding unlikely. For this reason, distress is directly linked to depression and anxiety, further heightening heart-disease risk.
However, positive environmental stress, eustress, benefits cardiovascular health. Eustress may even have a
protective effect on the heart after an injury, such as a heart attack, by improving cardiac repair mechanisms (Bai et al., 2022). Positive emotions can buffer the body against the detrimental effects of negative stress on heart health.
Furthermore, positive emotions can promote positive health behaviors like regular exercise and healthy eating. Moreover, positive psychological well-being is associated with several factors linked to a lower risk of heart disease, such as lower blood pressure, better glucose control, reduced inflammation, and lower cholesterol. Those with higher levels of eustress even enjoy better quality sleep, further reducing heart-disease risk. So, what are sources of eustress? A potential source is accepting challenges that can expand your skills and propel your growth. Tackling fears or confronting unresolved issues from the past can also foster eustress. Even a large gathering with family and friends can provide nourishing eustress. Simply, lean into promising opportunities, especially when you're uncertain. Eustress, can improve cardiovascular resilience and well-being.
Technology, including AI, can truly be your friend here. For those must-get gifts, ChatGPT allows you to purchase directly in the Chat (once you're buying from particular vendors). And, Google's Gemini can set price trackers for specific items, even instantly purchasing a product–—at a pre-set price—once you give authorization. Gemini can also help you with setting itineraries for your holiday getaway or snagging awesome last-minute travel deal for New Year's. Feel like you have to keep checking your family's schedule before you RSVP? Ohai.ai Ohai.ai leverages AI to improve the lives of families through an AI household assistant backed by a team of humans. Ohai manages your family calendar and to-do list, scans school calendars and soccer schedules for key dates, sets reminders, and even manages your grocery list. There are also multiple price-checking and price-tracking apps that will ensure you get the best deals for must-have gifts. At Seminal, we understand how much of a help technology can be when used judiciously (AI helped us gather some of the research in this post). These tools can reduce stress while saving precious time.
How else can we minimize distress? Outline your priorities—and, relentlessly, stick to them. Say "no" more than you're saying "yes," even to yourself. You don't have to put up that second light display or drive six hours to your aunt's house. Everyday, take at least a few minutes to reconnect with—and celebrate—you. Even if you're working on the annual report or helping the kids prepare for the holiday show, your favorite playlist can be streaming in the background or you can be sipping your special (but still super-healthy ;-)) festive mix. And, before you go to bed, reflect on five things from the day for which you're grateful, even if it was a challenging or disheartening one. Sometimes, having the strength to get through the day is victory enough. And, let us not forget that everyone else is caught in the holiday whirl too, so let's offer grace to each other. Don't get too upset and be patient. The tenderness we extend will come back to us. It's up to us to get each other through, and make it a joyous holiday season.
Isolation You might be thinking, "How can I be feeling isolated during the holidays when I can't get away from anyone?" But, isolation goes beyond being by yourself; it involves feeling unsupported, left without empathy or connection. In running around getting gifts, decorating the house for yet another get together, or rushing from one party to the next, it's easy to feel that nobody cares about your needs and nobody's seeing you.
Social isolation and loneliness are considerable risk factors for heart disease, increasing the likelihood of a cardiovascular event including heart attack, stroke, and even death. This is a result of a combination of physiological stress responses, which can raise oxidative stress and inflammation, and the tendency toward unhealthy, coping behaviors like poor diet, inactivity, and smoking. Social isolation—especially if it coincides with heartbreak—can directly lead to a cardiac emergency.
Takotsubo cardiomyopathy, or heartbreak syndrome, is caused by extreme distress—as triggered by the end of a relationship or death of a loved one—mimicking the symptoms of a typical heart attack (Abrams, 2025). Though Takotsubo cardiomyopathy is often
temporary and not life-threatening (sufferers commonly don't show signs of heart disease), it requires immediate medical attention as markers of the condition are indistinguishable from those of a typical heart attack (Tomich, Luerssen, & Kang, 2025). Evidently, isolation is among the greatest risks to cardiac health.
You can feel lonely—and many of us do—without being alone. The key is connecting with the those who truly matter. Pick the one person, or one family, with whom you have to share the holiday. Check in to the group chat (the one that matters) a bit more often. And, make holiday shopping a meetup with you friends. You guys grab your gifts and make it cool, while keeping each other on budget. But, remember enjoying your own company is a privilege, insofar as you use the time to reflect and work toward fulfilling your needs. Even during the hectic holidays, savor making a favorite meal for yourself. You can stream scenes from your favorite TV show or comedy special. How about finally getting through that book or starting on that new design for the app or website? Never being alone, never being isolated, means always being fulfilled. In being rooted—and connected—you will. Help is always streaming from the Source.
Absent Reconnection We can say that many of us never turn off; but, a better way to describe it might be that we fail to "tune in." We tend to go at hyperspeed during the holidays, forgetting to take a breath. You have to. Yes, your to-do list is a litany; but, you can't get it all done if you're not focused. Being interminably "keyed up" also raises heart-disease risk. Constant, chronic distress can raise blood pressure and trigger the inflammatory sequences mentioned above, potentially leading to a deadly heart attack or stroke. Taking time—even a minute each hour—to refresh lets you always stay grounded, keep what's important top of mind, and implement the best ways to meet your objectives (even if that's just remembering you can use that discount code for the hat you didn't think you could afford). Taking time out also means letting your goals and needs be at the center. The end of the year is a great time to think about the dreams you still have—and how to pursue them. It's also a time to reflect on those who may no longer been around—relationships that needed to end and those who have passed—and forging a new way forward. A member of our staff will spend his first holiday season without his mother. For the last month, he's been beginning and ending each day with a mantra, reciting in a soaring cadence, "your words will always guide and your memory will always protect" three times, each instance, for centeredness.
Through following a healthy—and flavorful—diet, being active every day, immersing in the holiday magic (not the mayhem), and taking the time to settle down—while settling in—this holiday season, your heart will continually beat to a joyful rhythm, not a frenzied one.
References
Bai, P.Y., Chen, S.Q., Jia, D.L., Pan, L.H., Liu, C.B., Liu, J., Luo, W., Yang, Y., Sun, M.Y., Wan, N.F., Rong, W.W., Sun, A.J., & Ge, J.B. (2022). Environmental eustress improves postinfarction cardiac repair via enhancing cardiac macrophage survival.
Science Advances, 8(17).
https://doi.org/10.1126/sciadv.abm3436
Lu L, Sun R, Liu M, Zheng Y, Zhang P. The inflammatory heart diseases: Causes, Symptoms, and treatments. (2015).
Cell Biochemistry and Biophysics, 72(3), 851-855.
doi: 10.1007/s12013-015-0550-7
Vaccarino, V. & Bremner J.D. (2024). Stress and cardiovascular disease: an update. Nature Reviews Cardiology, 21(9), 603-616.
doi: 10.1038/s41569-024-01024-y
