Anger Does a Lot More Damage to Your Body Than You Realise
We all get mad now and then. But too much anger can cause problems.
3 min
Anger is bad for your health in more ways than you think.
Getting angry doesn’t just hurt our mental health , it’s also damaging to our hearts, brains and gastrointestinal systems, according to doctors and recent research. Of course, it’s a normal emotion that everyone feels—few of us stay serene when a driver cuts us off or a boss makes us stay late. But getting mad too often or for too long can cause problems.
There are ways to keep your anger from doing too much damage. Techniques like meditation can help, as can learning to express your anger in healthier ways.
One recent study looked at anger’s effects on the heart. It found that anger can raise the risk of heart attacks because it impairs the functioning of blood vessels, according to a May study in the Journal of the American Heart Association .
Researchers examined the impact of three different emotions on the heart: anger, anxiety and sadness. One participant group did a task that made them angry, another did a task that made them anxious, while a third did an exercise designed to induce sadness.
The scientists then tested the functioning of the blood vessels in each participant, using a blood pressure cuff to squeeze and release the blood flow in the arm. Those in the angry group had worse blood flow than those in the others; their blood vessels didn’t dilate as much.
“We speculate over time if you’re getting these chronic insults to your arteries because you get angry a lot, that will leave you at risk for having heart disease ,” says Dr. Daichi Shimbo, a professor of medicine at Columbia University and lead author of the study.
Your gastrointestinal system
Doctors are also gaining a better understanding of how anger affects your GI system.
When someone becomes angry, the body produces numerous proteins and hormones that increase inflammation in the body. Chronic inflammation can raise your risk of many diseases.
The body’s sympathetic nervous system—or “fight or flight” system—is also activated, which shunts blood away from the gut to major muscles, says Stephen Lupe, director of behavioural medicine at the Cleveland Clinic’s department of gastroenterology, hepatology and nutrition. This slows down movement in the GI tract, which can lead to problems like constipation.
In addition, the space in between cells in the lining of the intestines opens up, which allows more food and waste to go in those gaps, creating more inflammation that can fuel symptoms such as stomach pain, bloating or constipation.
Your brain
Anger can harm our cognitive functioning, says Joyce Tam, an assistant professor of psychiatry and behavioral sciences at Rush University Medical Center in Chicago. It involves the nerve cells in the prefrontal cortex, the front area of our brain that can affect attention, cognitive control and our ability to regulate emotions.
Anger can trigger the body to release stress hormones into the bloodstream. High levels of stress hormones can damage nerve cells in the brain’s prefrontal cortex and the hippocampus, says Tam.
Damage in the prefrontal cortex can affect decision-making, attention and executive function, she adds.
The hippocampus, meanwhile, is the main part of the brain used in memory. So when neurons are damaged, that can disrupt the ability to learn and retain information, says Tam.
What you can do about it
First, figure out if you’re angry too much or too often. There’s no hard and fast rule. But you may have cause for concern if you’re angry for more days than not, or for large portions of the day, says Antonia Seligowski, an assistant professor of psychiatry at Massachusetts General Hospital and Harvard Medical School, who studies the brain-heart connection.
Getting mad briefly is different than experiencing chronic anger, she says.
“If you have an angry conversation every now and again or you get upset every now and again, that’s within the normal human experience,” she says. “When a negative emotion is prolonged, when you’re really having a lot more of it and maybe more intensely, that’s where it’s bad for your health.”
Try mental-health exercises. Her group is looking at whether mental-health treatments, like certain types of talk therapy or breathing exercises, may also be able to improve some of the physical problems caused by anger.
Other doctors recommend anger-management strategies. Hypnosis, meditation and mindfulness can help, says the Cleveland Clinic’s Lupe. So too can changing the way you respond to anger.
Slow down your reactions. Try to notice how you feel and slow down your response, and then learn to express it. You also want to make sure you’re not suppressing the feeling, as that can backfire and exacerbate the emotion.
Instead of yelling at a family member when you’re angry or slamming something down, say, “I am angry because X, Y and Z, and therefore I don’t feel like eating with you or I need a hug or support,” suggests Lupe.
“Slow the process down,” he says.
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Artificial intelligence is making it easier than ever to build a business without building a team. As AI takes over coding, customer support, marketing, administration, and other day-to-day tasks, a growing number of solo founders are scaling startups to millions in revenue with few—or even no—employees. While the trend is lowering barriers to entrepreneurship, it is also reshaping hiring, raising questions about the future of work and how businesses will grow in the AI era.
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Ben Broca launched a company last December that offers AI tools to entrepreneurs. He’s already added 10,000 paying customers and is on track to bring in $10 million in revenue this year.
One thing he hasn’t added: any other employees.
The 40-year-old is part of a class of entrepreneurs who are launching, and then often running, new companies on their own. Artificial intelligence tools answer Broca’s emails, help write and debug code, field requests from customers, sign up new subscribers and grant refunds when issues arise.
Broca relishes his ability to make whatever decisions he wants on his own, often from his sun-drenched Sausalito, Calif., living room. “I think compromises make lukewarm results,” he said.
Once upon a time, running a business of a certain size required a team. AI is turning that assumption upside down, and more aspiring entrepreneurs are going it alone.
An analysis by the payments company Stripe shows there are thousands of solo operators on the company’s platform that are generating over $1 million in revenue, with their ranks doubling between 2023 and 2025. The number of solo operators crossing the $10 million threshold nearly tripled in that same span.
In the past, people without business contacts or particular savvy might not have known how to get their ideas off the ground, said Ernie Tedeschi, Stripe’s chief economist. “Now, AI can be a built-in business partner,” he said.
AI’s ability to handle various administrative tasks makes it potentially useful for launching solo businesses in many fields. But the technology’s ability to also handle key tasks in tech, like coding, make that field a particular hot spot.
Analyzing Census Bureau data, Bank of America Institute economist Taylor Bowley found that among all industries, new business applications in the information sector have seen the biggest percentage increase—nearly 45%—over the past year. At the same time, the rate of information-sector applicants saying they plan to hire workers has experienced the sharpest decline of any measured industry.
This Census dataset doesn’t track solo-operated businesses. But the numbers broadly show—in tech and beyond—that applications are flat among businesses likely to hire workers, but generally rising elsewhere. Economists say that’s a strong sign that solo operators are on the upswing.
“The bar for getting started has never been lower,” said Julian Weisser, who runs a San Francisco-based accelerator for solo founders working in tech. The accelerator—which offers founders seed money and mentorship in exchange for an equity stake—attracted 4,500 applicants for 10 slots made available in its most recent cycle, nearly five times the number it drew when it launched last May.
Going it alone with AI can still be surprisingly expensive. Broca said he was losing money on many customers’ accounts while paying to access Anthropic’s Claude to run his clients’ requests—that AI company, as well as others, charges based on usage. He has since switched to free open-source AI models from China.
Broca said he has raised $30 million from investors and, at the same time, has saved millions in salary since he hasn’t needed a team of software engineers.
Another risk: If it’s easy for one entrepreneur to launch an AI-assisted business, copying them can be easy, too. This creates anxiety for founders like Troy Johnston, who runs an AI-assisted business alone in Orlando, Fla.
“Everybody has the sword and we all have the ability to unsheathe Excalibur now,” said Johnston, 40, who used AI to code an app that helps people get the most out of credit card benefits. The company makes around $3,000 a month in profit, with no employees, and is continuing to grow.
What one-person businesses will mean for the labor market remains to be seen. Polling has shown Americans are worried that AI will replace jobs, and top economists are wrestling with that possibility, too. But AI is also creating lots of new jobs, and the go-it-alone entrepreneurs show how the technology can both open doors and limit employment opportunities.
“If everyone’s hiring less, but you get four times more firms, what does that do to head count?” said Rembrand Koning, an associate professor at Harvard Business School who studies entrepreneurship. He co-authored a recent study that found that among 50,000 startups the researchers examined, those focused on AI tended to operate with 25% fewer employees.
Koning also believes a soft hiring environment that’s left some people mired in long job searches has encouraged more to try their hand at launching businesses.
Some founders cite different motives. “It’s a perfect storm of post-pandemic burnout and a re-evaluation of one’s priorities, and also booming AI and a sense of what’s possible,” said Samir Ahmad, 39, who lives in Breinigsville, Pa.
Two years ago, Ahmad decided to leave the corporate job he had worked at Verizon for almost two decades to start a solo coaching and consulting business. He had been seeing social-media posts touting the ease and virtues of AI, which he used to chart a business plan and help with marketing. “It was like my chief of staff, a second in command,” he said.
The business ultimately petered out within months, though, and Ahmad is now back to a full-time corporate role with a utility company.
For Claire Vo, 41, AI helped her turn a passing impulse into a business. She was working full-time as a tech executive when she tapped AI in late 2023 to help code an app that would help her manage documentation and design for new products, with customers ranging from financial services to healthcare firms.
“I was copying and pasting from ChatGPT,” said Vo, who lives in San Francisco.
She put the app online for $1 a month, and within weeks people downloaded it thousands of times. Nearly three years later, Vo’s company—which she ran solo for nine months before hiring an engineer—now has 100,000 users and is on track to make seven figures in profit this year. AI handles the company’s marketing, sales and customer support.
While AI is a shortcut, Vo said her network and credibility in the industry were key. “I think people over-index on how easy AI is and under-index on how much I did to get to this point,” she said.
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