How Much Water Should You Drink?

Updated Feb 5, 2025 | 11:00 PM IST

SummaryAs per experts, drinking 8 glasses of water a day may be unnecessary and the research estimates that the actual requirement is around 1.5 to 1.8 liters per day. This not only includes water, but all kinds of fluids from all sources that we may consume in a day.
How much water should you actually drink in a day?

We all know that drinking water is good for us. If you are feeling tired, have some water. Have a dry skin? Have some water. Have a dry throat? Have some water. It is almost like water is the fix to all our issues. May be it is, but not always. So, are we sometimes drinking more water than necessary? What happens then?

Many say that there is an 8x8 rule one must follow when it comes to drinking water.

What is the 8x8 drinking water rule?

Many believe that in the 8x8 rule, eight 240ml glasses of water per day adds up to almost 2 liters. However, it is not in the guidelines in both the UK and the EU health advisory. None of them recommends this specific amount.

So, where did it origin from?

The origins of this rule seem to come from misinterpreted advice given decades ago. In 1945, a US advisory board suggested adults should consume one milliliter of fluid per calorie of food, totaling about two liters for women and 2.5 liters for men. Importantly, this included all drinks and even water-rich foods like fruits and vegetables.

A later book in 1974 recommended six to eight glasses of water daily but also noted that coffee, tea, and even beer could count towards hydration. Yet, the idea of drinking two liters of plain water daily took hold and has persisted ever since.

How Much Water Do We Really Need?

As per experts, drinking 8 glasses of water a day may be unnecessary and the research estimates that the actual requirement is around 1.5 to 1.8 liters per day. This not only includes water, but all kinds of fluids from all sources that we may consume in a day.

Also, studies show that instead of following a rigid routine, what is best is to focus on factors like temperature, physical activity and health conditions for your water intake. Those in hot and humid climate, high altitudes or pregnant or breastfeeding, and athletes may require more water. Whereas those in cooler areas, with a more sedentary lifestyle won't. However, for the average person, thirst is a more reliable guide than any fixed rule.

ALSO READ: What Happens When You Drink Too Much Water?

Science of Hydration and Dangers Of Over hydration:

Water is necessary to transport nutrients, control temperature, and keep organs functioning. We lose water through sweat, urine, and respiration, so staying hydrated is critical. However, dehydration develops only when the body loses 1-2% of its total water content.

A widespread myth is that feeling thirsty indicates that you are already severely dehydrated. Experts argue that thirst is an excellent evolutionary mechanism that ensures us drink when we need to. The body also produces hormones that aid in water conservation when necessary.

Drinking More Water Than Needed:

While drinking too much water is generally harmless, it can cause hyponatremia, a condition in which salt levels in the blood become dangerously low. This can result in brain enlargement, disorientation, convulsions, and, in extreme cases, death.

There have been reports of athletes overhydrating during endurance races, resulting in significant difficulties. Experts caution that simply following hydration myths might be dangerous, stating that thirst remains the greatest signal of when to drink.

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How Much Water Should Your Child Be Drinking?

Updated Feb 8, 2026 | 05:55 PM IST

Summaryccording to Dr Keerti Kulkarni, a Telangana-based pediatrician, toddlers should be consuming about 100ml per kg of water every day, school children should drink up to 90ml per kg and teenagers should take in up to 60ml per kg. Drinking excessive water can lead to water intoxication, causing symptoms like confusion, nausea, and seizures
How Much Water Should Your Child Be Drinking?

Credit:Canva

Been wondering if your child has been consuming too much or too little water each day?

According to Dr Keerti Kulkarni, a Telangana-based pediatrician, toddlers should be consuming about 100ml per kg of water every day, school children should drink up to 90ml per kg and teenagers should take in up to 60ml per kg.

In a lengthy Instagram post, she noted that about 20 percent of their daily required water intake comes from food includng fruits, vegetables, soups and parents should be mindful not to provide children with excess water.

Dr Kulkarani also said that there are exceptions for underweight children who have any other medical issues, such as kidney problems or if they are on any regular medication.

The expert warned: "Breastfed or formula-fed babies do not need extra water before solid foods and giving extra water to young infants can be dangerous and may cause low sodium levels."

What Are Signs Of Dehydration In Children?

Dehydration occurs when the body loses more fluids than it takes in, impairing normal function. In children, signs include:

  • Dry or sticky mouth
  • Few or no tears when crying
  • Eyes that look sunken
  • In babies, the soft spot (fontanelle) on top of the head looks sunken
  • Darker pee, peeing less or fewer wet diapers than usual
  • Crankiness
  • Drowsiness or dizziness
  • Rapid heartbeat
Treatment for dehydration depends on how severe it is. Kids with mild dehydration can get extra liquids at home. Kids with more severe dehydration may need treatment in the emergency room (ER) or hospital.

Why Is Drinking Excessive Water Dangerous?

Drinking excessive water can lead to water intoxication, causing symptoms like confusion, nausea, and seizures; severe cases may be fatal. Water intoxication, also termed hyperhydration, water poisoning or water toxaemia, develops when an individual drinks much more water than the kidneys can excrete.

The main function of the kidneys in the human body is the processing and excretion of excess water. However, the human kidneys can process only up to 0.8 to 1.0L of water at a time. Drinking an amount that exceeds this may overwhelm the kidneys and put the electrolyte balance out of sync in the human body.

Electrolytes, especially sodium, are essential in maintaining fluid balance within and outside cells. Hyponatremia is a condition in which sodium levels fall below 135 mmol/L, resulting from excessive water intake. This causes water to shift into cells, swelling them. In the brain, this can cause severe complications, including coma or even death.

Symptoms of water intoxication vary from mild to severe. Early symptoms are often similar to dehydration, which makes self-diagnosis challenging. Common symptoms include:

  • Headaches
  • Nausea and vomiting
  • Muscle cramps or weakness
  • Fatigue or drowsiness
  • Confusion and disorientation
In more serious cases, water intoxication can cause seizures, loss of consciousness, or swelling in the brain. These complications can be fatal if left untreated.

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This Widely Used Supplement Can Reduce Anger, Study Shows

Updated Feb 8, 2026 | 02:36 PM IST

SummaryEating omega-3-rich foods can reduce both reactive anger (in response to provocation) and proactive anger (behavior planned in advance) levels by nearly 30 percent. The scientists theorized that omega-3 can reduce brain inflammation and regulate vital brain functioning which helps maintain aggression levels
This Widely Used Supplement Can Reduce Anger, Study Shows

Credit: Canva

Eating omega-3-rich foods can reduce your aggression levels by 28 percent, an Aggression and Violent Behavior study suggests.

After analyzing 29 randomized controlled trials involving 3,918 participants in total, researchers from the University of Pennsylvania concluded that the fish oil supplement can reduce both reactive anger (in response to provocation) and proactive anger (behavior planned in advance) in people regardless of age, gender, medical diagnosis and length and dosage of treatment.

Neurocriminologist Dr Adrian Raine said of the results: "I think the time has come to implement omega-3 supplementation to reduce aggression, irrespective of whether the setting is the community, the clinic, or the criminal justice system.

"At the very least, parents seeking treatment for an aggressive child should know that in addition to any other treatment that their child receives, an extra portion or two of fish each week could also help."

The scientists theorized that omega-3 can reduce brain inflammation and regulate vital brain functioning which helps maintain aggression levels. However, they also noted that further research was needed to understand the link.

"Omega-3 is not a magic bullet that is going to completely solve the problem of violence in society. But can it help? Based on these findings, we firmly believe it can, and we should start to act on the new knowledge we have." Dr Raine said.

What Are Fish Oil Omega-3s?

Omega-3 fatty acids are polyunsaturated fats known for their crucial role in brain function and overall mental health. Fish oil is particularly rich in EPA and DHA, which are vital components of cell membranes and have strong anti-inflammatory effects in the body.

These omega-3s play a critical role in human development, and they are primarily found in fatty fish and fish oil. Since many people do not consume enough fish, supplementation is often recommended to ensure adequate intake of these essential fatty acids.

Although the body can convert another type of omega-3, alpha-linolenic acid (ALA), into EPA and DHA, this process is not highly efficient. As a result, fish oil supplements may provide a convenient way to ensure optimal levels of omega-3s.

READ MORE: NHS Doctor Says This Oil Instead of Cod Liver Is The Best Omega-3 Source

Some popular sources of Omega-3 include:

  • Salmon
  • Cod Liver Oil
  • Algae Oil
  • Oysters
  • Nuts and seeds, such as flaxseeds, chia seeds, and walnuts
  • Plant oils, such as flaxseed oil, soybean oil, and canola oil
  • Fortified foods, such as eggs, yogurt, juices, milk, etc.

How Omega-3s Improve Brain Health

EPA and DHA are essential for maintaining brain function throughout life. These fatty acids are abundant in the brain's cell membranes, helping to preserve cell health and facilitate communication between brain cells.

Research has shown that a lack of omega-3 can lead to cognitive impairments. In animal studies, diets deficient in omega-3s resulted in reduced DHA levels in the brain, leading to deficits in learning and memory. In older adults, lower DHA levels have been linked to a smaller brain size, which may indicate accelerated brain ageing.

Maintaining sufficient levels of omega-3s can help support cognitive function and may reduce the risk of age-related brain decline.

The optimal dosage varies, but research suggests that 1,000–2,000 mg of omega-3 fatty acids from fish oil daily is a good starting point. People with depression should look for supplements with higher EPA content. It is pertinent to note that people should consult health experts before starting fish oil supplementation.

Budget 2026: Cheaper Fish In India

Earlier this month, Finance Minister Nirmala Sitharaman announced a surprising tax reduction for India's fishers and marine industry, and experts say it is good news for you too.

Until now, fish caught by Indian vessels beyond territorial waters and brought back to the country for mass consumption has been treated as import, attracting customs duties and integrated goods and services tax (GST).

The combined tax burden raises costs and compliance issues, which discouraged people from deep-sea and exclusive economic zone (EEZ) fishing as well as

However, during her Union Budget 2026 presentation, Sitharaman proposed that fish caught in the EEZ and high seas by Indian fishing vessels are treated as duty-free when brought into Indian ports and treated as exports when landed at foreign ports.

This means that the market availability for Omega-3 packed fishes including salmon, mackerel, tuna, herring and sardines will significantly increase as their existing steep prices see a tremendous fall.

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Bird Flu In India: How Safe Is It To Eat Chicken And Eggs?

Updated Feb 7, 2026 | 11:32 AM IST

SummaryWith bird flu alerts in Bihar and Chennai after mass crow deaths, authorities stress poultry safety. Chicken and eggs remain safe if fully cooked. Avoid raw meat, eggs, and milk, prevent cross-contamination, store poultry properly, and follow hygiene to reduce H5N1 risk.
Bird Flu In India: How Safe Is It To Eat Chicken And Eggs?

Credits: Canva

Bird Flu In India: Amid bird flu fears from Bihar's Bhagalpur district in Naugacha, where over 150 crows were found dead, new concerns are being raised around poultry products. Chennai too is facing a high bird flu alert, there too, dead crows were found. This is why it is important to know how to consume poultry safely and what all to keep in mind while handling poultry.

While there is no confirmation yet in if it has spread in chicken, India has seen previous cases of avian flu in chicken. Here's what you should know about consuming poultry.

Bird Flu In India: How To Consume Poultry Safely?

Pasteurization and cooking them at high temperatures can curb the threat. It is also important to handle your poultry products when you are buying and storing them.

Also, avoid drinking raw milk to kill avian influenza A(H5N1).

Bird Flu In India: How To Handle Chicken While Shopping?

The meat juice can spill over and contaminate other food items, therefore it is extremely important to store it properly, in a way that it does not contaminate another food item. Always store it in a cool bag when you are transporting it and refrigerate and freeze the meat for the first two hours of buying.

You must also cook your chicken so the viruses do not survive on the chicken.

Read: How To Eat Eggs Safely?

Bird Flu In India: Is It Safe To Eat Chicken?

Yes, chicken and eggs are still safe to consume, as long as they are thoroughly cooked. Cooking chicken to the internal temperature of at least 165°F kills bacteria, viruses, and other germs, such as H5N1. The most accurate method of assuring that food is cooked is to use a meat thermometer.

Safe food handling is crucial:

  • Maintain a hygienic kitchen by disinfecting countertops and washing hands both before and after touching raw meat.
  • Prevent cross-contamination by employing distinct cutting boards and utensils for raw and cooked food.

Bird Flu In India: How to Handle Eggs And Consume It Safely?

Flu viruses can infect chicken eggs by entering through the eggshell. The eggshells are smaller than the pores of eggshells, which means viruses can enter the eggs and the egg's surface will still be protected. However, it is still important to handle it safely.

As per the US Food and Drug Administration, cooking poultry, eggs and other animal products to the proper temperature and preventing cross-contamination between raw and cooked food.

Reject suspect eggs that are small, soft-shelled, or deformed since these may be a sign of infection in hens, though infected birds usually discontinue laying eggs before the situation gets worse.

What Should You Avoid?

  • Raw or undercooked chicken
  • Raw or soft eggs
  • Raw milk and unpasteurized dairy products
  • Cross-contaminated foods
  • Meat from unregulated sources

Safest Way to Cook Eggs

While pasteurized eggs have a lower risk of infection because pasteurization effectively kills viruses, including bird flu, and bacteria. When cooking eggs, FDA officials advise:

  • Washing hands, utensils,, and work surfaces with hot, soapy water before and after touching raw eggs.
  • Cooking eggs until both the yolk and white are firm.
  • Making sure scrambled eggs are fluffy and not runny.
  • Cooking casseroles and other dishes with eggs to 160 degrees Fahrenheit.
  • Serving cooked eggs right away. Don't leave egg dishes out for more than 2 hours.
  • Using an insulated cooler to transport eggs and egg products for picnics or gatherings.
  • Reheating any leftover egg products from the fridge to 165 degrees Fahrenheit.

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