Alcohol has many negative effects on our health, some of which may surprise you. These include short-term impacts such as waking up with a
pounding head or
anxiety, to
long-term effects including
cancer.
If you are thinking about taking some time off alcohol, you’ll find many quick wins and long-term gains for your health.
How long will you have to wait to feel the benefits?
We’ve made a timeline, based on scientific research, that shows what you might feel in the first days, weeks, months and years after taking a break from alcohol.
Some benefits start immediately, so every day without alcohol is a win for your health.
After one day
Alcohol takes
around 24 hours to completely leave your body, so you may start noticing improvements after just one day.
Alcohol makes you
need to urinate more often, causing dehydration. But your body can absorb a glass of water
almost immediately, so once alcohol is out of your system, alcohol dehydration is reduced, improving digestion, brain function and energy levels.
Alcohol also reduces the liver’s ability to
regulate blood sugar. Once alcohol leaves the system, blood sugar begins to normalise.
If you are a daily drinker, you may
feel a bit worse to start with while your body adjusts to not having alcohol in its system all the time. You may initially notice disrupted sleep, mood changes, sweating or tremors. Most symptoms usually resolve in about a week without alcohol.
After one week
Even though alcohol can make you feel sleepy at first, it
disrupts your sleep cycle. By the end of an alcohol-free week, you may notice you are
more energetic in the mornings as a result of getting better quality sleep.
As the body’s filter, the liver does much of the heavy lifting in processing alcohol and can be easily damaged even with
moderate drinking.
The liver is important for cleaning blood, processing nutrients and producing bile that helps with digestion.
But it can also regenerate quickly. If you have only mild damage in the liver,
seven days may be enough to reduce liver fat and heal mild scarring and tissue damage.
Even small amounts of alcohol can
impair brain functioning. So quitting can help
improve brain health within a few days in light to moderate drinkers and
within a month, even for very heavy dependent drinkers.
After one month
Alcohol can make
managing mood harder and worsen symptoms of anxiety and depression. After a few weeks, most people start to
feel better. Even very heavy drinkers report better mood after
one to two months.
As your sleep and mood improve you may also notice
more energy and greater wellbeing.
After a month of abstinence regular drinkers also report
feeling more confident about making changes to how they drink.
You may
lose weight and body fat. Alcohol contains a lot of
kilojules and can trigger hunger reward systems, making us overeat or choose less healthy foods when drinking.
Even your skin will thank you. Alcohol can make you look
older through
dehydration and inflammation, which can be reversed when you quit.
Alcohol
irritates the gut and disrupts
normal stomach functioning, causing bloating, indigestion, heartburn and diarrhoea. These symptoms usually
start to resolve within
four weeks.
One month of abstinence,
insulin resistance – which can lead to high blood sugar –
significantly reduces by 25 per cent.
Blood pressure also reduces (by 6 per cent) and
cancer-related growth factors declines, lowering your risk of cancer.
After six months
The liver
starts to repair within weeks. For moderate drinkers, damage to your liver could be
fully reversed by six months.
At this point, even heavy drinkers may notice they’re better at
fighting infections and feel healthier overall.
After one year or more
Alcohol contributes to or causes a large number of
chronic diseases, including heart disease, stroke, type 2 diabetes, and seven different types of cancer, as well as mental health issues. All of these risks can be reduced by quitting or cutting back on alcohol.
Alcohol increases
blood pressure. High blood pressure (hypertension) is the
top risk factor for death in the world. A small
2mmHg increase in blood pressure above the normal range (120mmHG) increases death from stroke by 10 per cent and from coronary artery disease by 7 per cent.
Cutting back on alcohol to less than two drinks a day can
reduce blood pressure significantly, reducing the risk of stroke and heart disease. Reducing blood pressure also
reduces the risk of kidney disease, eye problems and even erectile dysfunction.
With sustained abstinence, your risk of getting any type of cancer drops.
One study looked at cancer risk for more than 4 million adults over three to seven years and found the risk of alcohol-related cancer dropped by 4 per cent, even for light drinkers who quit. Reducing from heavy to moderate drinking reduced alcohol-related cancer risk by 9 per cent.
Making a change
Any reduction in drinking will have some noticeable and immediate benefits to your brain and general health. The less you drink and the longer you go between drinks, the healthier you will be.
Whether you aim to cut back or quit entirely, there are
some simple things you can do to help you stick with it:
If you are still wondering about whether to make changes or not you can check your drinking risk
here.
If you have tried to cut back and found it difficult you may need professional help. Call the National Alcohol and other Drug Hotline on 1800 250 015 and they will put you in touch with services in your area that can help. You can also talk to your GP.
We would like to thank Dr Hannah MacRae for assistance in identifying the research used in this article.
Nicole Lee, Adjunct Professor at the National Drug Research Institute (Melbourne-based), Curtin University and
Katinka van de Ven, Alcohol and other drug specialist, UNSW Sydney
This article is republished from
The Conversation under a Creative Commons license. Read the
original article.
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