A good quality sandwich can often be the cure for many of life's ills, but what about when it comes to the hangover from hell?
Well, one London-based doctor and television personality has created the perfect scientifically-proven sandwich that she claims is the antidote - and can sort you out almost immediately.
Dr Zoe Williams told MailOnline the key components of the breakfast stack combine the nutrients you will have lost through alcohol consumption - like salt, sugar and protein.
The NHS GP said the next-day nausea is mostly caused by low-blood sugar levels, which trigger the hormones that make us feel sick.
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That and the liver is working in overdrive, becoming less effective at regulating sugars because it's prioritising expelling the toxins from the body.
Even when it feels like your stomach is churning, Dr Zoe said it's vital to eat something.
But what should you grab when the hangover starts to feel like you'll never drink again?
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Well, start with...
The right bread
Dr Zoe's butty is built with a foundation of good bread - usually half wholemeal and half white, also known as 'half and half'.
While wholemeal bread is generally healthier, the GP said there is a risk the added grains in some types come with a strong flavour - which only adds to the queasy feeling - while bland white is easier to digest.
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Dr Zoe said: "With a half and half bread you still get protein and the fibre, which offers a combination of both immediate energy and the slow-releasing type."
Next up, protein
Surprisingly, Dr Zoe grabs the seemingly unhealthy combo of bacon, egg and avocado for her hangover butty.
However, she said there is a science to it as, while processed meat like bacon has been linked to increased risk of bowl cancer if consumed everyday, tucking into a rasher or two on occasion is unlikely to cause much harm - and could be a 'lifesaver' for the hangover.
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As alcohol is a diuretic, which means it increases the amount of urine your body produces and causes you to lose essential fluid and electrolytes, the body is crying out for its lost sodium. Bacon is the key to replenishing those sacred salts you lost during your boozy night.
The doc said bacon can even help cure a 'foggy brain' the next day, and some say even just the smell can 'technically start to help the brain recuperate'.
Get in those vitamins
Eggs, no matter how you like them, are jam-packed full of nutrients and are crowned the 'hero' of Dr Zoe's butty.
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They contain B12 protein, which our bodies may be deficient in after a hangover, as booze can zap our stomach linings and intestines, making it harder for the body to absorb the protein.
Eggs are also loaded with protein, vitamins A and D, and an amino acid called cysteine, which helps to break down the toxic byproduct of alcohol, acetaldehyde.
Healthy fats
Finally, the avocado on Dr Zoe's hangover sandwich promises to give a well-needed boost in healthy fats, as well as vitamins, minerals and potassium not only restoring electrolytes, but also giving you energy to face the rest of the day.
What should you wash it down with?
To wash it all down, the doc says a glass of water is the best route, but a hot cup of tea can also come to the rescue.
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She explained: "Some people assume you should not have caffeinated drinks because it can be dehydrating, but while water is more dehydrating than tea, you still benefit from the fluids."
Topics: Alcohol, Food and Drink, Health, London, Science, NHS
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