Health
Holiday heart attacks rise as doctors share hidden triggers, prevention tips
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The holidays are known to be a source of stress, between traveling, preparing for family gatherings and indulging in lots of food and drinks.
The uptick of activity can actually put a strain on the heart, a phenomenon known as “holiday heart syndrome.”
Cardiothoracic surgeon Dr. Jeremy London addressed this elevated risk in a recent Instagram post, sharing how heart attacks consistently rise around the holidays.
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“Every year, like clockwork, we see a spike in heart attacks around Christmas and New Year’s,” the South Carolina-based surgeon said. “In fact, Christmas Eve is the highest-risk day of the year.”
This is due to a shift in behavior, specifically drinking and eating too much, moving less and being stressed out, according to London. “Emotional stress, financial stress, the increased pace of the holidays, increased obligations,” he listed.
Cold weather also causes vasoconstriction (narrowing of blood vessels), according to London, which increases the risk of plaque rupture and the potential for heart attack.
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Dr. Glenn Hirsch, chief of the division of cardiology at National Jewish Health in New York, noted in an interview with Fox News Digital that holiday heart syndrome typically refers to the onset of an abnormal heart rhythm, or atrial fibrillation.
This can happen after an episode of binge-drinking alcohol, Hirsch said, which can be exacerbated by holiday celebrations.
Binge-drinking at any time can drive atrial fibrillation, a cardiologist cautioned. (iStock)
“It’s often a combination of overdoing the alcohol intake along with high salt intake and large meals that can trigger it,” he said. “Adding travel, stress and less sleep, and it lowers the threshold to go into that rhythm.”
The biggest risk related to atrial fibrillation, according to Hirsch, is stroke and other complications from blood clots. Untreated atrial fibrillation can lead to heart failure after a long period of time.
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“The risk of atrial fibrillation increases with age, but also underlying cardiovascular disease risk factors increase the risk, such as high blood pressure, obesity, diabetes, sleep apnea and chronic kidney disease,” he added.
Christmas Eve is the “highest risk day of the year” for heart attacks, according to one cardiologist. (iStock)
Preventing a holiday heart event
Holiday heart syndrome is preventable, as Hirsch reminds people that “moderation is key” when celebrating.
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The expert recommends avoiding binge-drinking, overeating (especially salty foods) and dehydration, while managing stress levels and prioritizing adequate sleep.
“Don’t forget to exercise,” he added. “Even getting in at least 5,000 to 10,000 steps during the holiday can help lower risk, [while] also burning some of the additional calories we are often consuming around the holidays.”
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London agreed, stating in his video that “movement is medicine” and encouraging people to get out and move every day.
The various stresses of the holidays can have physical consequences on the body, doctors warn. (iStock)
It’s also important to stay on schedule with any prescribed medications, London emphasized. He encourages setting reminder alerts, even during the holiday break.
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“Prioritize sleep and mindfulness,” he added. “Take care of yourself during this stressful time.”
London also warned that many people delay having certain health concerns checked out until after the holidays, further worsening these conditions.
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“Don’t ignore your symptoms,” he advised. “If you don’t feel right, respond.”
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America’s youth have been increasingly abusing common over-the-counter medications, according to poison center records.
A health advisory from America’s Poison Centers, representing 53 poison centers across the country, alerted a “concerning rise” in cases of diphenhydramine abuse among teens ages 13 to 19.
Diphenhydramine is commonly found in allergy and sleep medications such as Benadryl and Zzzquil, as mentioned in the advisory.
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From 2024 to 2025, the total exposure to any substance among teens in this age group reportedly increased by 5.1%.
But cases involving diphenhydramine alone increased more rapidly, from 10,068 to 13,284 cases, a 32% spike.
Thirteen percent of diphenhydramine cases in 2026 have been linked to intentional abuse, an increase from 7.3% in 2020. (iStock)
The trend appears to be continuing into 2026, as the first five months saw 6,179 diphenhydramine-only cases in teens — more than double the prior year.
According to America’s Poison Centers, the exposure appears to be driven by recreational misuse rather than accidental over-medication. Thirteen percent of cases in 2026 were linked to intentional abuse, up from 7.3% in 2020.
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Taking diphenhydramine improperly or in large amounts can affect the brain and heart, and can lead to serious or life-threatening effects, the advisory warned.
Diphenhydramine is commonly found in over-the-counter allergy and sleep medications. (iStock)
Some symptoms of diphenhydramine poisoning include drowsiness, agitation, fast heart rate, nausea, vomiting, hallucinations, seizures, dangerous heart rhythm and loss of consciousness.
To avoid overexposure and complications, America’s Poison Centers advises the public to store all medications safely, up high, and out of reach of kids and teens. Label instructions should be followed carefully.
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“Talk with teens about the risks of misusing medications, including serious health effects and poisoning,” the notice suggested. “Be aware of social media trends or challenges that may encourage unsafe use of medications.”
Those who suspect misuse should contact the local Poison Control Center immediately.
America’s Poison Centers advises the public to “be aware of social media trends or challenges that may encourage unsafe use of medications.” (iStock)
In a statement to Fox News Digital, Benadryl manufacturer Kenvue commented that the “health and safety of people who use our products is our top priority.”
“The social media trend promoting misuse of diphenhydramine-containing products is extremely dangerous and should be stopped immediately,” a Kenvue spokesperson said. “Our hearts go out to those impacted by the misuse of diphenhydramine-containing products.”
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“We are working with social media platform safety teams to remove these dangerous posts and help stop this behavior from spreading,” they added. “We are also taking action to educate on the safe use and storage of over-the-counter medicines, including those with the ingredient diphenhydramine.”
“The social media trend promoting misuse of diphenhydramine-containing products is extremely dangerous and should be stopped immediately.”
Mary Leonard, SVP of communications and public affairs for the Consumer Healthcare Products Association, called the recent report “deeply concerning.”
“OTC medicines should never be used for recreational purposes, and intentional misuse should not be confused with the safe, effective use of these products,” she told Fox News Digital. “When used as directed, millions of Americans rely on OTC medicines containing diphenhydramine for relief from allergies, cold symptoms, motion sickness, minor skin irritations and occasional sleeplessness.”
“Because misuse of any medication can result in serious health consequences, the Drug Facts label clearly communicates dosing instructions, warnings and other important safety information.”
“OTC medicines should never be used for recreational purposes, and intentional misuse should not be confused with the safe, effective use of these products,” an industry spokesperson said. (iStock)
Kenvue shared the following three steps people can take to help prevent misuse.
- Report content related to this trend on the social media platform where it appears.
- Always store OTC medicines up and away in places children cannot access — preferably in locked cabinets or containers — and never leave medications on counters, bedside tables or in open bags, even temporarily.
- Carefully read and follow the instructions on the label and educate children on safe usage.
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“Dosing instructions and additional safety information are available on Benadryl.com, and always remember to consult a healthcare professional should you have questions,” the spokesperson added.
Fox News Digital reached out to Zzzquil maker P&G for comment.
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