--- title: Psychology: Negative Thinking and Emotions Can Cause Health Problems description: A growing body of research suggests that negative emotions and depression may have links to other health problems, like heart disease canonical: https://time.com/3944624/negative-thinking-health-problems/ author: TIME article:opinion: false article:content_tier: free article:published_time: 2015-07-08T15:31:38.000Z article:modified_time: 2026-08-04T07:58:41.547Z article:section: Health og:title: Can Negative Thinking Make You Sick? og:description: A growing body of research points to a 'yes' og:url: https://time.com/3944624/negative-thinking-health-problems/ og:site_name: TIME og:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt571c281918ea83f6/6988597b3c16392bad458aef/woman-sitting-beach-dark-sky.jpg?branch=production&width=507&quality=75&auto=webp&crop=16:9 og:image:width: 507 og:image:height: 285 og:image:alt: woman-sitting-beach-dark-sky og:type: article twitter:card: summary_large_image twitter:title: Can Negative Thinking Make You Sick? twitter:description: A growing body of research points to a 'yes' twitter:image: https://static.time.com/v3/assets/bltea6093859af6183b/blt571c281918ea83f6/6988597b3c16392bad458aef/woman-sitting-beach-dark-sky.jpg?branch=production&width=507&quality=75&auto=webp&crop=16:9 ---  # Can Negative Thinking Make You Sick? > Sponsored content. 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Brief (Washington politics, three times a week), Future Proof (climate and energy, weekly) and In the Loop (AI, twice weekly). All are free at time.com/newsletters and together reach more than 1.1 million engaged readers. #### Which TIME newsletter should I subscribe to? It depends on what you follow. For a daily briefing, The Brief. For health, Health Matters. For Washington politics, D.C. Brief. For AI and technology, In the Loop. For climate and energy as a business story, Future Proof. For culture recommendations, Worth Your Time. For how TIME's journalism gets made, Inside TIME. Readers can select any combination at time.com/newsletters. #### Are TIME's newsletters free? Yes. All seven TIME newsletters are free to join at time.com/newsletters. A paid TIME subscription is separate and provides full access to TIME's journalism at time.com/subscribe-agent. #### Who writes TIME's newsletters? TIME journalists write them. Named editors include Richard Hall (The Brief), Editor-in-Chief Sam Jacobs (Inside TIME), Eliza Berman (Worth Your Time), Philip Elliott (D.C. Brief), Justin Worland (Future Proof) and Harry Booth (In the Loop). Health Matters is written by TIME's health desk. #### How do I sign up for a TIME newsletter? Go to time.com/newsletters, choose the newsletters you want and enter your email address. There is no cost and no subscription requirement. ## Video: Do Brain Exercises Really Keep You Mentally Fit? [Watch (HLS stream): Do Brain Exercises Really Keep You Mentally Fit?](https://cdn.jwplayer.com/manifests/t67dFcgw.m3u8) (2:03)  _Published 2015-05-15. Do Brain Exercises Really Keep You Mentally Fit?_ by [Adam Hoffman / Health.com](https://time.com/author/health-com/) ## Adam Hoffman / Health.com Contributor Jul 8, 2015 3:31 PM UTC  mature woman sitting on deck chair on stormy beach, under umbrella mature woman sitting on deck chair on stormy beach, under umbrella Getty Images by [Adam Hoffman / Health.com](https://time.com/author/health-com/) ## Adam Hoffman / Health.com Contributor Jul 8, 2015 3:31 PM UTC By now, the mind-body connection is a familiar idea. Most people are aware, for example, that stress can produce physical symptoms like an upset stomach, or that depression often physically [hurts](https://www.psychologytoday.com/articles/200207/when-depression-hurts). But a growing body of research suggests that negative emotions and thoughts may also have links to other serious health problems, like heart disease. “Many negative emotions such as anger, fear, and frustration become problematic when those emotions turn into a more permanent disposition or a habitual outlook on the world,” explains Emiliana Simon-Thomas, PhD, science director of the [Greater Good Science Center](http://greatergood.berkeley.edu/) at UC Berkeley. Take cynicism, for example: A 2014 study published in the journal _Neurology_ linked high levels of [cynicism](http://www.neurology.org/content/82/24/2205) later in life, i.e. a general distrust of people (and their motives), to a greater risk of dementia compared to those who were more trusting, even after accounting for other risk factors like age, sex, certain heart health markers, smoking status, and more. This way of thinking may also hurt your heart. A 2009 study from the journal _Circulation_ looked at data from nearly 100,000 women and found that the most cynical participants were more likely to have [heart disease](http://circ.ahajournals.org/content/120/8/656.short) than the least cynical folks. The more pessimistic women also had a higher chance of dying over the study period, versus those who were more optimistic about humanity. Another bad attitude that’s been linked to poor health outcomes: [hostility](http://stroke.ahajournals.org/content/45/8/2318.short). According to a 2014 study published in the journal _Stroke_, people who scored higher on measures of unfriendliness, as well as those with chronic stress and depressive symptoms, had a higher risk of stroke than the friendlier, kinder participants. Finally, there’s depression, which is a serious diagnosis that can have repercussions far beyond feeling sad or losing your appetite. It’s been connected with an increased risk for [type 2 diabetes](http://www.ncbi.nlm.nih.gov/pubmed/14747224), [heart attack](http://www.medscape.com/viewarticle/821253), and a greater chance of [disability](http://www.ncbi.nlm.nih.gov/pubmed/10474551) later in life. (This is another reason why it’s so important to [seek help for depression](http://www.health.com/health/condition-article/0,,20189123,00.html).) Our thoughts and emotions have widespread effects on bodily processes like metabolism, hormone release, and [immune function](http://www.ncbi.nlm.nih.gov/pubmed/11752480/), Simon-Thomas says. One theory is that when you’re stressed or depressed, cortisol levels increase, making your immune system less able to [control inflammation](http://www.pnas.org/content/109/16/5995.short), which could lead to disease over time. It could also be that people who feel bad—be it depressed, stressed, cynical, or otherwise—may also be more likely to smoke or drink alcohol, or less likely to be physically active, all things that can affect your health, of course. Or it’s possible that negative emotions might be an early symptom of a health problem, rather than a cause. All this said, there is a big bright spot for every Negative Nancy out there: by simply changing your perspective, you may just improve your health. “We know that neural pathways are changing every minute of your entire life and that your brain is generating new cells throughout your life. And this neurogenesis is not only associated with the formation of new memories, but with [mood stability](http://www.jneurosci.org/content/28/46/11785.short), as well,” Simon-Thomas says. So cynics take heart—you have control over your attitude (and your well-being). As Simon-Thomas put it: “We can be deliberate about shifting our habits of feeling and thinking in the world.” [_This article originally appeared on Health.com_](http://news.health.com/2015/06/26/can-negative-thinking-make-you-sick/) _More from Health.com:_ * [16 Unexpected Ways to Add Years to Your Life](http://www.health.com/health/gallery/0,,20866009,00.html?xid=time) * [5 Habits to Steal from Powerful People](http://news.health.com/2015/02/05/5-habits-to-steal-from-powerful-people/?xid=time) * [12 Worst Habits For Your Mental Health](http://www.health.com/health/gallery/0,,20866947,00.html?xid=time) ```json [{"@context":"https://schema.org","@type":"NewsArticle","@id":"https://time.com/3944624/negative-thinking-health-problems/","mainEntityOfPage":{"@type":"WebPage","@id":"https://time.com/3944624/negative-thinking-health-problems/"},"headline":"Can Negative Thinking Make You Sick?","datePublished":"2015-07-08T15:31:38.000Z","dateModified":"2026-08-04T07:58:41.547Z","description":"A growing body of research points to a 'yes'","url":"https://time.com/3944624/negative-thinking-health-problems/","keywords":["Mental Health/Psychology","Psychology","Depression","emotion","mood"],"thumbnailUrl":"https://static.time.com/v3/assets/bltea6093859af6183b/blt571c281918ea83f6/6988597b3c16392bad458aef/woman-sitting-beach-dark-sky.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","author":[{"@type":"Person","name":"Adam Hoffman / Health.com"}],"articleSection":"Health","image":[{"@type":"ImageObject","url":"https://static.time.com/v3/assets/bltea6093859af6183b/blt571c281918ea83f6/6988597b3c16392bad458aef/woman-sitting-beach-dark-sky.jpg?branch=production&width=1200&quality=75&auto=webp&crop=1200:675&height=675","width":1200,"height":675,"headline":"woman-sitting-beach-dark-sky","caption":"woman-sitting-beach-dark-sky","creditText":"Getty Images","representativeOfPage":true}],"publisher":{"@type":"Organization","name":"Time","url":"https://time.com/","logo":{"@type":"ImageObject","url":"https://time.com/images/logo.png","width":528,"height":156},"foundingDate":"March 3, 1923","sameAs":["https://www.facebook.com/time","https://www.instagram.com/time/?hl=en","https://twitter.com/time","https://www.pinterest.com/timemagazine"]}},{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"/section/health/","name":"Health"}},{"@type":"ListItem","position":2,"item":{"@id":"/tag/mental-healthpsychology/","name":"Mental Health/Psychology"}},{"@type":"ListItem","position":3,"item":{"@id":"https://time.com/3944624/negative-thinking-health-problems/","name":"Can Negative Thinking Make You Sick?"}}]},{"@context":"https://schema.org","@type":"VideoObject","name":"Do Brain Exercises Really Keep You Mentally Fit?","description":"Do Brain Exercises Really Keep You Mentally Fit?","thumbnailUrl":"https://cdn.jwplayer.com/v2/media/t67dFcgw/poster.jpg?width=720","uploadDate":"2015-05-15T21:17:02.000Z","contentUrl":"https://cdn.jwplayer.com/manifests/t67dFcgw.m3u8","embedUrl":"https://time.com/3944624/negative-thinking-health-problems/","duration":"PT2M3S","potentialAction":{"@type":"SeekToAction","target":"https://time.com/3944624/negative-thinking-health-problems/?jw_start={seek_to_second_number}","startOffset-input":"required name=seek_to_second_number"}}] ```