What are the benefits of drinking hot water?

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The article was written by MSc Mai Vien Phuong - Department of Examination & Internal Medicine, Vinmec Central Park International General Hospital
Some people claim that hot water in particular can help improve digestion, ease congestion, and even promote relaxation more than drinking cold water. For a health boost and some vitamin C, try adding a lemon to hot water to make a lemonade.

1. What are the benefits of hot water to the body?

1.1 May relieve nasal congestion Holding a cup of hot water and taking a deep breath of this soothing vapor can help loosen clogged sinuses and even relieve sinus headaches. In the nose, there is usually mucous membrane throughout the sinuses and throat, so drinking hot water can help warm that area and soothe a sore throat caused by mucus buildup.
1.2 Aids Digestion Drinking water helps to keep the digestive system functioning, as water moves through your stomach and intestines, the body is better able to eliminate waste.
>>> Functions of water in the body
1.3 Improves central nervous system function Not drinking enough water, whether hot or cold, can have negative effects on the functioning of the nervous system, ultimately It also affects mood and brain function.
Research from 2019 Trusted Source has shown that drinking water can improve central nervous system activity, as well as mood. This study showed that drinking water boosted the participants' brain activity and also reduced their anxiety.
1.4 Relieve Constipation Dehydration is a common cause of constipation. In many cases, drinking water is an effective way to relieve and prevent constipation. Drinking enough water helps soften stools and make them easier to pass. Drinking hot water regularly can help you have regular bowel movements.
>>> Signs Your Body is Dehydrating
1.5 Stay hydrated Although some evidence suggests that cool water is the best choice for rehydration, drinking water at any temperature is fine. help keep you hydrated.
>>> How much water should you drink per day?
Institute of Medicine recommends: Women should drink 2.3 liters of water per day and men get 112 ounces (3.3 liters) per day. Those numbers include water from foods like fruits, vegetables, and anything that melts. You also need to drink more water if you are pregnant or nursing, physically active, or working in a hot environment.
1.6 Reduce shivering in cold A 2017 study found that while the body's natural response in cold conditions is shivering, drinking warm water can help reduce shivering.
Researchers found that drinking hot water quickly helps people who work or exercise in cold conditions put less effort into maintaining body temperature.
1.7 Improve circulation

Healthy blood flow affects everything from blood pressure to cardiovascular disease risk. A warm bath helps the circulatory organs - arteries and veins - dilate and carry blood around the body more efficiently. Additionally, the warmth from drinking hot water or taking a warm bath can help you relax and prepare for a good night's sleep.
1.8 Reduce stress levels Drinking hot water improves central nervous system functions so you will feel less anxious if you drink it. Therefore, staying hydrated can improve your mood and relaxation level.
>>> What is energy drink?
1.9 Detoxify the Body A 2020 study by scientists shows that drinking more water can help protect the kidneys. According to the Arthritis Foundation, drinking water is important for detoxifying the body. It can also help fight inflammation, keep joints well-lubricated, and prevent gout.
>>> Drink water properly in the treatment of urinary stones
1.10 Reduce symptoms of achalasia People with achalasia have difficulty swallowing. They may feel as if food is stuck in the esophagus instead of moving to the stomach. Drinking warm water can help people with digestive upsets feel more comfortable.

2. Note when using hot water

Drinking water that is too hot can damage tissue in the esophagus, burn your taste buds, and burn your tongue. Getting into the habit of drinking hot water is easy, try starting your day with a cup of boiled water, let it cool for a while. If you're not a tea or coffee drinker, try hot water with lemon.

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References:
Abraham J, et al. (2019). A review of hot beverage temperatures — satisfying consumer preference and safety. DOI: 10.1111/1750-3841.14699 An J, et al. (2019). The Thermal Effects of Water Immersion on Health Outcoms: An Integrative Review. ncbi.nlm.nih.gov/pmc/articles/PMC6479732/ Best drinks for arthritis. (n.d.). arthritis.org/health-wellness/healthy-living/nutrition/healthy-eating/best-drinks-for-arthritis Çalişkan N, et al. (2016). The effect of warm water intake on bowel in the early postoperative stage of patients having laparoscopic cholecystectomy: A randomized controlled trial. pubmed.ncbi.nlm.nih.gov/27684632/ Gandy, J. (2015). Water intake: Validity of population assessment and recommendations ncbi.nlm.nih.gov/pmc/articles/PMC4473081/ Get the facts: Drinking water and intake. (2016). cdc.gov/nutrition/data-statistics/plain-water-the-healthier-choice.htmlTrusted Source