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What’s healthier to drink: cold or hot water? Here’s what an expert says

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What’s healthier to drink: cold or hot water? Here’s what an expert says

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A viral wellness trend asks a simple question — is warm or cold water healthier? — but the science behind it is more nuanced.

Previous research shows that food and beverage temperature has a measurable effect on things like anxiety and gut discomfort.

One of the most long-standing health claims is that ice-cold water boosts calorie burn by forcing the body to heat it up. While this is grounded in science, the actual impact may be minimal.

Ultimately, experts say, the health impact of water temperature depends on the goal — weight loss, athletic performance, digestion or comfort.

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Does cold water boost weight loss?

“As per research, in the 90 minutes after consuming cold or room temperature water, energy expenditure increases minimally by 2.9% (cold water) and 2.3% (room temperature),” Tanya Freirich, a registered dietitian and diabetes expert in North Carolina, told Fox News Digital.

Extra water may suppress the appetite or may play a part in energy production and expenditure, experts say. (iStock)

While the body does expend energy to warm up cold water, Freirich noted that it’s “not significant enough to make it worthwhile” for weight loss. Hot water doesn’t exactly melt fat, however, she added.

For those looking to lose or manage weight, Freirich suggests focusing on “how much” rather than “how cold.” She pointed to research involving overweight women who added an extra 1.5 liters of water to their daily intake. Over eight weeks, the participants saw measurable weight loss.

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“The extra water may suppress the appetite or may play a part in energy production and expenditure,” Freirich said. The temperature of drinking water should not affect how well the body utilizes nutrients, she added, noting that more research is needed.

For those exercising in heat and humidity, the goal should be to rehydrate without excessive fluid loss through sweat. Research on thermoregulation suggests there is an ideal water temperature for athletes.

The temperature of drinking water should not affect how well the body utilizes nutrients, according to an expert. (iStock)

While drinking water can trigger sweating as the body regulates its temperature, 60.8 degrees Fahrenheit was associated with the least amount of perspiration.

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“Cool, but not cold,” Freirich emphasized. Drinking water in this specific range helps the body rehydrate efficiently without causing gastrointestinal distress.

Warm water and digestion

There are several reasons someone might opt for warm water, including its effect on relaxation and digestion. Studies have found that warmer liquids can accelerate gastric emptying, effectively waking up the gut.

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The benefits may be mental as well. Freirich points to research showing that hot black tea leads to lower levels of cortisol — the body’s primary stress hormone — and greater subjective relaxation after stressful tasks.

The preference for warm water often stems from its effect on the rest and digestion. Studies have found that warmer liquids can accelerate gastric emptying, effectively waking up the gut. (iStock)

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Medical triggers

Freirich warns that very cold water can cause difficulty for those with swallowing disorders, or can trigger migraines and “brain freeze” in people with sensitive nerves.

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Furthermore, those with irritable bowel syndrome (IBS) may find that ice-cold drinks trigger digestive discomfort.

Ultimately, the best temperature is the one that encourages people to drink, the dietitian said. The general recommendation for adults is to consume seven to eight glasses of water per day.

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“Most importantly, it is important for everyone to stay adequately hydrated,” Freirich said.

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Your resting heart rate could reveal more about your health than you think, doctors say

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Your resting heart rate could reveal more about your health than you think, doctors say

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The simple act of noting how fast your heart is beating while you’re at rest may be the key to measuring your overall health.

Resting heart rate is defined by Mayo Clinic as the number of times your heart beats each minute while you’re awake, calm and not moving. 

A normal resting heart rate ranges from 60 to 100 beats per minute for adults. A slower resting heart rate means the heart does not have the work as heard to pump blood through the body — something typical of someone who is more fit.

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Athletes who are very fit may have a resting heart rate closer to 40 beats per minute, according to Mayo Clinic.

Your resting heart rate can vary due to a variety of factors, including age, physical activity levels, sleep health, smoking, cardiovascular disease, high cholesterol, diabetes, stress, anxiety, hormones, body type and certain medications.

A normal resting heart rate ranges from 60 to 100 beats per minute for adults, according to medical experts. (iStock)

But a resting heart rate that’s often too high or too low may signal a health issue.

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A high resting heart rate, even if it’s slight, is usually a sign that something else may be going on in the body, such as anemia, an infection or a thyroid problem, according to Cleveland Clinic.

A high resting heart rate, even if it’s slight, is usually a sign that something else may be going on in the body. (iStock)

If your heart rate is regularly above 100 beats per minute, this is a sign to talk with your heart care provider. 

The same advice applies if you are not a trained athlete and your resting heart rate is frequently below 60 beats per minute.

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Talk to your doctor if other symptoms such as fainting, dizziness or shortness of breath occur.

How to measure your heart rate

You can check your own heart rate by tracking your pulse on your wrist or neck. The best time of day to measure resting heart rate is first thing in the morning, says Mayo Clinic. 

Place your index and middle fingers inside the wrist below the thumb, to feel the radial artery; or, do so on the side of the neck, to feel the carotid artery.

Place your index and middle fingers on the side of the neck, to feel the carotid artery — and count how many beats per minute. (iStock)

Count the number of times your pulse beats in 15 seconds, then multiply this number by four to calculate beats per minute.

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Wearable devices can also detect and track resting heart rate, although this may not always be accurate.

How to lower your heart rate

If your resting heart rate is higher than normal, there are a few ways to work toward lowering it.

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Vigorous exercise is “the best way” to lower your resting heart rate and increase the heart’s aerobic capacity and max heart rate, according to Harvard.

For those who don’t exercise regularly, it’s important to work your way up in difficulty when following a new workout routine.

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Vigorous exercise is “the best way” to lower your resting heart rate, Harvard Health says. But it’s vital to work your way up carefully.  (iStock)

Some medications, such as beta blockers, can also lower heart rate. In the same way, managing stress through holistic methods such as meditation or yoga can also help. 

Cleveland Clinic also recommends cutting back on harmful substances such as drugs and alcohol, which can dehydrate you and raise your heart rate.

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Adequate sleep can also help bring your heart rate down, in addition to maintaining a healthy weight.

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Cardiologist Tamanna Singh, M.D., shared with Cleveland Clinic that lowering your heart rate takes time as various lifestyle changes kick in.

Managing stress through holistic methods such as meditation or yoga can help lower your resting heart rate,

“Just like building your biceps and triceps, it takes time for your heart to become stronger,” the doctor said.

Singh recommended focusing on heart rate patterns rather than dialing in on just the number. 

Take note of how your heart rate changes after eating certain foods, when you’re dehydrated or after you’ve begun a new exercise or stress management routine.

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“If you notice that your heart rate is consistently over 100, mention it to your doctor, especially if you’ve tried making lifestyle changes and they don’t seem to be working,” she said. 

“Your resting heart rate isn’t the be-all, end-all of your health, but it’s definitely a marker that you should pay attention to.”

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GLP-1 Users’ Guide to Protein Snacks: Here’s What a Dietitian Actually Recommends

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GLP-1 Users’ Guide to Protein Snacks: Here’s What a Dietitian Actually Recommends


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Coffee may have powerful effect on liver health, major study suggests

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Coffee may have powerful effect on liver health, major study suggests

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The health benefits of morning coffee may go beyond a wake-up call, according to a massive new study linking the beverage to a significantly lower risk of severe liver disease, liver cancer and liver-related death.

Published in the journal Clinical Gastroenterology and Hepatology, the research used data from 354,957 participants enrolled in the UK Biobank.

Researchers tracked individuals who had no history of cirrhosis or liver cancer at the start of the study for an average of 13 years, according to a press release.

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Participants who drank one to two cups of coffee daily showed a 20% lower risk of developing cirrhosis and a 31% lower risk of liver-related mortality compared to non-coffee drinkers.

The protective effects became even more noticeable at higher levels of consumption.

Data revealed that heavy coffee drinkers had significantly lower levels of liver fat and liver iron. (iStock)

Individuals who drank five or more cups of coffee per day experienced a 32% reduction in cirrhosis risk, a 42% lower risk of liver-related death and a 47% lower risk of developing hepatocellular carcinoma, the most common form of primary liver cancer.

While previous studies have hinted at coffee’s positive relationship with liver health, this study provides biological evidence to support the statistical trends, the researchers said.

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To better understand why coffee may protect the liver, the researchers conducted additional analyses using imaging data from a subgroup of nearly 29,000 participants and blood samples from approximately 50,000 individuals.

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The data showed that heavy coffee drinkers had significantly lower levels of liver fat and liver iron, as well as lower odds of developing fibroinflammation, which is the scarring and inflammation that often precedes permanent liver damage.

Participants who drank one to two cups of coffee daily showed a 20% lower risk of developing cirrhosis. (iStock)

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The blood analysis linked coffee consumption with lower levels of some proteins known to trigger inflammation and tissue scarring, along with higher levels of proteins essential for healthy liver function.

Notably, the study found that the liver-protective benefits were similar for both caffeinated and decaffeinated coffee, suggesting that these benefits are driven by naturally occurring compounds not related to caffeine.

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While the benefits persisted regardless of whether the coffee was consumed black or with sweeteners, the researchers observed that adding sugar or artificial sweeteners slightly weakened the beneficial effects, particularly concerning markers of liver inflammation.

Researchers observed that adding sugar or artificial sweeteners slightly weakened the positive effects. (iStock)

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While these findings suggest that coffee consumption is an accessible dietary habit for supporting liver health, the authors noted that it should serve as a complement rather than a replacement for standard preventative health practices.

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Because the research relied on self-reported dietary questionnaires from the UK Biobank, the findings could be susceptible to changes in participants’ coffee-drinking habits over the 13-year follow-up period.

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Additionally, as an observational study, it can only establish a strong correlation and cannot prove cause and effect, as other factors may influence the outcomes.

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