
Feeling hangry? Why we get angry when we are hungry
Revisado por pares por Dr Krishna Vakharia, MRCGPÚltima actualización por Victoria RawLast updated 21 Ene 2025
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It's one thing to feel a bit hungry before dinner, but another to feel so famished that it affects your mood. If you've ever felt irritable and overreacted to minor issues when you've not eaten, you may well have been 'hangry' - feeling angry when hungry. But why do we get this when we crave food and what can we do to avoid it?
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Why we get angry when we are hungry
Hanger might sound like a made up thing, but research suggests it is a very real issue. University of North Carolina researchers found that you are more likely to be in a bad mood when you are hungry.
Through a series of tests, assistant psychology and neuroscience professor Dr Kristin Lindquist and her team put people in slightly annoying situations - such as being faced with computer problems.
The hungry people were more irritated and more likely to give negative feedback later on, suggesting that hunger can increase how angry you get in response to frustrating experiences.
Los niveles de azúcar en la sangre
One of the reasons you may get irritable is because not de comer can affect your blood sugar levels.
Reema Pillai, registered dietitian at Dietitian Fit says that when you get very hungry and haven't eaten properly in a while, the sugar (glucose) levels in your blood can drop.
"If it gets quite low, this can lead to the hormones adrenaline and cortisol being released," she explains. "These help raise your blood sugar but can also make us a bit more irritable than usual - which is why you can have that hangry feeling."
Brain function
Bajo nivel de azúcar en sangre can interfere with higher brain functions - such as those that help you control impulses and regulate your comportamiento.
Anger is also linked to hunger because of brain chemicals - such as neuropeptide Y - which is released into the brain when you are hungry. However, it also helps to regulate anger or aggression.
Historically, feeling ira when hungry has helped humans survive. Being aggressive when hungry helped us fight for comida as hunter-gatherers, ensuring we stayed fed when faced with competition.
What to do to avoid getting hangry
Volver al contenidoAlthough getting angry when hungry seems like a temporary problem, research shows it can have an effect on personal relationships. However, there are steps you can take to avoid getting hangry.
Eat regularly
Try not to wait too long between meals to eat.
Pillai advises that having regular meal patterns can help you reduce dips in your blood sugar - which can prevent you feeling hangry.
Ella sugiere: "Have a prepared snack with you if you are out of the house, so that you can have this if you feel yourself becoming hungry but know you won't be able to have a proper meal soon. Something like a small handful of nuts with a piece of fruit can work well."
Cut back on sugar
Try to avoid junk foods, which could cause a sugar crash. Nutrient-rich, high-fibre foods can keep your blood sugar stable and keep you feeling fuller longer.
Pillai says: "Reducing your intake of highly processed foods with added sugar can help prevent a rapid rise then crash in azúcar en sangre, which can affect your mood."
Eat wholegrains
Focus on eating wholegrain carbohydrates - such as brown rice or pasta - as well as fibra from vegetables, fruits, pulses, beans and fuentes de proteína food sources.
Pillai explains: "These foods keep energy and blood sugar levels more stable, which will help you feel better overall. This is because they take longer for your body to break down to digest, reducing spikes in blood sugar.
"Fibre also helps to keep you fuller for longer by slowing down digestion and stomach emptying, as well as having many other fantastic benefits for your health and well-being."
Pay attention to your feelings
According to the University of North Carolina study, hungry people who understand how they feel and of the effect of changes may be able to reduce their chances of becoming hangry.
Emotional self-awareness can be a personality trait, but it is also something that can be learned through techniques such as mindfulness. It may likewise help to take note of when you're more susceptible to feelings of hunger or irritability, so you can have snacks on hand.
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About the authorView full bio

Lydia Smith
Feature writer
BA, MA, MSc
Lydia Smith is an award-winning journalist and feature writer who has written extensively on women's health and mental health. She is currently studying for an MSc in psychology.
About the reviewerView full bio

Dr Krishna Vakharia, MRCGP
Chief Medical Officer for Health, Optum UK
MBChB, MRCGP(2013), BMedSci (hons), DFSRH, DRCOG, PGDipDerm (Distn)
La Dra. Krishna Vakharia es una médica general del NHS. También es examinadora habitual del Diploma de Posgrado en Dermatología Práctica en la Universidad de Cardiff, además de ser la Directora Médica de salud en Optum UK.
Historial del artículo
La información en esta página es revisada por pares por clínicos calificados.
Próxima revisión: 28 Ene 2028
21 Ene 2025 | Última versión
8 Nov 2021 | Publicado originalmente
Escrito por:
Lydia Smith

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