The benefits of ‘Dry January’ last longer than a month, studies show
People who abstained from alcohol for a month started drinking less the rest of the year and showed striking improvements in their health.
December 27, 2022 at 6:00 a.m. EST
From the Washington Post
Every year, tens of thousands of people kick off the new year by taking part in a month-long sobriety challenge known as “Dry January.”
The event is widely viewed as a temporary test of willpower — followed by a return to old drinking habits when the month ends. But according to research, that’s often not what happens.
Studies show that people who participate in Dry January and other sobriety challenges frequently experience lasting benefits. Often, they drink less in the long run and make other sustained changes to their drinking habits that lead to striking improvements in their health and well-being.
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So why does Dry January seem to have a lasting effect? A month of sobriety, while it can sound daunting, is not so long that it seems impossible. And yet, it is long enough that it provides opportunities to form new habits — like turning down alcohol in social settings, which in the long run can be empowering. And taking a break from alcohol can trigger immediate health benefits, like weight loss, better sleep, and a boost to your mood and energy levels, which can reinforce the new habit.
Experiencing these improvements, can motivate you to continue drinking less in the long run, said Richard de Visser, a psychologist at Brighton and Sussex Medical School in England who has studied what happens to people who participate in Dry January.
“It becomes a reinforcing message instead of a punishing message,” he said. “Instead of public health people wagging their fingers and saying, ‘Don’t drink, it’s bad for you,’ people do it and say, ‘I didn’t realize how good I would feel.’ They often don’t realize how much stopping drinking will improve their sleep, or their concentration, or even just their levels of energy in the morning.”
From ‘hazardous’ to ‘low risk’
In one study published in BMJ Open, a team of researchers in London and the United States recruited a group of 94 healthy men and women who were willing to give up alcohol for one month. They compared them to a similar control group of 47 people who continued drinking. Both groups consisted of people who were moderate to heavy drinkers, drinking on average about 2.5 drinks a day.
The researchers found that the people who gave up alcohol for one month had significant improvements in their metabolic health, despite making little or no changes to their diets, smoking or exercise levels. On average they lost about four and a half pounds, their blood pressure dropped, and they had a “dramatic” reduction in their levels of insulin resistance, a marker for Type 2 diabetes risk. They also experienced sharp reductions in cancer-related growth factors — a particularly important finding, the researchers noted, because even low levels of alcohol consumption can increase the risk of many cancers. None of these improvements were seen in the control group.
The researchers followed up with the study participants six to eight months later to see how they were doing. The group that was abstinent for one month had maintained a “significant reduction” in their alcohol consumption, while the control group did not. Using a screening tool that can identify problematic drinking behaviors, the researchers determined that the abstinence group’s drinking habits had changed from “hazardous” to “low-risk,” while the control group’s habits stayed about the same.
Saving money and better sleep
In a separate series of studies, de Visser and his colleagues followed thousands of Dry January participants to see if the challenge would lead to long-lasting changes. They found that in general, people who took part in Dry January were still drinking considerably less the following August.
On average, the number of days on which they drank fell from 4.3 days per week before the challenge to 3.3 days per week a half-year later. The amount that they drank on each occasion fell and they got drunk less frequently.
Before Dry January, they got drunk an average of 3.4 times per month. But by the following August that figure had fallen to 2.1 times per month.
Most people who take part in sobriety challenges return to drinking afterward. But many are surprised by the benefits they experience during their month of abstinence. De Visser and his colleagues found that most of the Dry January participants they studied reported saving money, sleeping better, losing weight, and having more energy and a better ability to concentrate. Most also reported that they felt a sense of achievement and gained more control over their drinking. Even people who did not stay alcohol-free the entire month of January reported these benefits.
“The objective of Dry January is not long-term sobriety — it’s long-term control,” said Richard Piper, the CEO of Alcohol Change UK, a British nonprofit that started the month-long challenge a decade ago. “It’s about understanding your subconscious triggers, overcoming those, and learning how good it is to not drink. It gives you the power of choice for the rest of the year.”
Try these tips to help you succeed
Not everyone tempers their relationship with alcohol after trying a month-long sobriety challenge. In his studies, de Visser and his colleagues found that a small proportion of people who participate in Dry January — about 11 percent — experience a rebound effect where they end up consuming more alcohol in the months that follow.
These tend to be particularly heavy drinkers who are dependent on alcohol. For that reason, it’s important that people who take part in these challenges recognize that they are not a silver bullet for everyone who wants to stop drinking. The Rethinking Drinking website has a list of helpful resources. “If you do have a problematic pattern of drinking, you should talk to a health-care professional and do it with some support, so you don’t have a negative experience that makes it worse,” said de Visser.
Last year, 130,000 people globally signed up to participate in Dry January. Here are some tips that could increase your odds of success.
- Do it with a friend. Sign up for it on the Alcohol Change UK website and download the free Try Dry app on your smartphone. In his studies, de Visser and his colleagues found that people were more likely to succeed at the challenge if they had social support or tracked their progress through the app. You can also sign up to get “coaching” emails from Alcohol Change UK that will cheer you on throughout January. “The social support helps because it gives you a sense of belonging to a bigger thing,” he said. “But there’s also the practical aspect of people saying, ‘Hey, try this if you’re craving alcohol. Here’s what I did that worked.’”
- Find a new favorite drink.Swapping an alcoholic beverage for a nonalcoholic one — like sparkling water with lemon or a splash of cranberry juice — could help you eliminate mindless drinking. “A lot of people drink by habit or default simply because it’s what they’re used to doing,” says Piper.
- Manage your triggers. Instead of meeting your friend at a bar after work, suggest going to a movie, taking a long walk, or having dinner at a restaurant instead.
- Track how much money you save. The Try Dry app can motivate you by tracking all the money you didn’t spend on drinks.
- Try the Dry(ish) January challenge. If going completely sober for the month of January is out of the question, then do something more attainable through Sunnyside, a mindful drinking program. Sunnyside has an app that allows you to create your own variation of Dry January, a.k.a. Dry(ish) January. You can set goals like not drinking on weekdays, or cutting your weekly alcohol consumption in half, and then track your progress. You can also use it year-round to track your alcohol intake and create healthier drinking habits.
Do you have a question about healthy eating? Email EatingLab@washpost.comand we may answer your question in a future column.
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