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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FSSAI Tightens Food Safety Norms, Mandates Food-Grade Knives, Cutting Tools

Updated Jun 18, 2026 | 12:57 PM IST

SummaryThe food regulator noted that the use of rusted, corroded, chipped, painted, damaged, inadequately cleaned, or non-food-grade cutting tools can result in physical, chemical, and microbiological contamination of food.
FSSAI Tightens Food Safety Norms, Mandates Food-Grade Knives, Cutting Tools

Credit: iStock

In a bid to strengthen food hygiene and safety standards, the Food Safety and Standards Authority of India (FSSAI) has directed Food Business Operators (FBOs) across the country to ensure that only food-grade, corrosion-resistant knives, blades, and cutting equipment are used in food handling and processing operations.

The directive, issued under Schedule 4 of the Food Safety and Standards (Licensing and Registration of Food Businesses) Regulations, 2011, also requires FBOs to maintain all cutting equipment in a sound and hygienic condition. In addition, the food regulator has asked State Food Safety Commissioners and Regional Directors to maintain strict vigilance and ensure compliance during inspections.

FSSAI Flags Use of Unsafe Cutting Equipment

"Schedule 4 of the aforesaid Regulations requires that equipment, utensils and food-contact surfaces used in food handling, preparation, processing, packaging and storage shall be made of food-grade, non-toxic, corrosion-resistant materials and shall be maintained in a hygienic condition so as to prevent contamination of food," FSSAI said in its advisory.

The regulations further require that such equipment and utensils be adequately cleaned and disinfected at appropriate intervals to prevent food contamination.

According to FSSAI, it has come to the regulator's notice that certain food businesses are using rusted, corroded, chipped, painted, damaged, or otherwise unsuitable knives, blades, and cutting equipment during food handling, preparation, processing, cutting, slicing, and packaging operations.

The food regulator noted that the use of rusted, corroded, chipped, painted, damaged, inadequately cleaned, or non-food-grade cutting tools can result in physical, chemical, and microbiological contamination of food.

Also read: FSSAI Introduces Stricter Quality Checks For Besan, Seafood, And Edible Oils: What You Should Know

What Did The FSSAI Advisory Recommend?

FSSAI has directed all Food Business Operators to ensure strict compliance with the following measures:

  • Only food-grade, corrosion-resistant knives, blades, and cutting equipment should be used in food handling and processing operations.
  • Knives, blades, and cutting equipment must be maintained in a sound and hygienic condition and be free from rust, corrosion, chipping, paint, cracks, breakage, or any other defect that may contaminate food.
  • Rusted, corroded, chipped, damaged, or otherwise unsuitable cutting equipment must be immediately removed from use and replaced.
  • Adequate cleaning, sanitization, and sterilization procedures, wherever applicable, must be followed at prescribed intervals.

FSSAI warned that any non-compliance observed will attract action under the Food Safety and Standards Act, 2006, and regulations made thereunder.

Unsafe Food A Major Public Health Concern

Read More: Your Kidneys Could Be Silently At Risk From Work Stress And Unhealthy Habits, Experts Warn

Unsafe food continues to pose a significant global health challenge. According to a recent World Health Organization (WHO) report, unsafe food causes approximately 866 million illnesses and 1.5 million deaths worldwide every year.

Children under five years of age bear a disproportionate burden, accounting for 29 per cent of the health impact linked to unsafe food. In 2021 alone, unsafe food was associated with an estimated 143,000 deaths among children in this age group.

The WHO also warned that exposure to chemical hazards in food, including methylmercury and lead, can damage the developing brain and result in lifelong neurological and developmental problems in children.

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Introducing Eggs Before Age One May Lower Allergy Risk by 17%: Study

Updated Jun 10, 2026 | 02:00 AM IST

SummaryThe Australian study showed that the reduction in egg allergy was more pronounced in babies with eczema, a known risk factor for food allergies. Among these children, egg allergy rates were reduced from 35 per cent to 22 per cent.
Introducing Eggs Before Age One May Lower Allergy Risk by 17%: Study

Credit: iStock

Eggs are a great source of protein. At the same time, they are one of the most common foods that cause allergies in children.

A new study conducted in Australia showed that introducing eggs to children before the age of one may reduce the risk of allergy by 17 per cent. The findings were published in the journal JAMA Pediatrics.

Jennifer Koplin, Associate Professor at the Child Health Research Centre at The University of Queensland, said: “Australia has one of the highest rates of food allergy in the world, with one in 10 infants allergic to one or more foods".

To curb the allergy rates, the Australian infant feeding guidelines, issued by the Australasian Society of Clinical Immunology and Allergy in 2016, revolutionized allergy prevention by advising parents to introduce well-cooked egg and smooth peanut butter soon after starting solid foods, generally around six months of age.

The research, led by a team from UQ and the Murdoch Children's Research Institute, examined 7,200 children in two Australian population-based studies to assess whether egg allergy rates had declined since the introduction of the guidelines. The risk of allergy decreased by 17 per cent among babies who started eating eggs early.

“Most parents followed the guidelines, and these results provide reassurance that this advice will help reduce the chance of their child developing an egg allergy,” Dr Koplin said.

Also read: I Ate Eggs And Toast For Breakfast Every Day—Here’s How My Body Reacted

Lesser Allergy In Infants With Eczema

According to Associate Professor Rachel Peters of the Murdoch Children's Research Institute, the reduction in egg allergy was more pronounced in babies with eczema, a known risk factor for food allergies. Among these children, egg allergy rates were reduced from 35 per cent to 22 per cent.

“The introduction of the 2016 guidelines was a major change from most advice given in the 1990s and early 2000s, which recommended parents delay giving eggs and other allergenic foods until 1–3 years of age if there was a strong family history of allergy,” Dr Peters said.

Allergenic Foods Before Age One

Other common allergy-causing foods, such as cow's milk, fish, sesame, wheat, and tree nuts, are also recommended to be included in a child's diet before one year of age. Dr Koplin, however, urged for more research into food allergies.

Read More: Eating Almonds Daily Can Prevent Cognitive Decline In Prediabetic Adults

Common Symptoms of Egg Allergy

According to the Mayo Clinic, egg allergy symptoms usually start a few minutes to a few hours after eating eggs or foods containing eggs. While egg allergies can occur as early as infancy, most children outgrow their egg allergy by age 16.

Egg allergy symptoms can include:

  • Skin swelling or itchy bumps called hives — the most common egg allergy reaction.
  • Stuffy or runny nose and sneezing, also known as allergic rhinitis.
  • Digestive symptoms such as cramps, upset stomach and vomiting.
  • Asthma symptoms such as coughing, wheezing, chest tightness or shortness of breath.

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World Food Safety Day 2026: WHO Debunks 5 Dangerous Food Safety Myths

Updated Jun 7, 2026 | 01:00 PM IST

SummaryAs we observe World Food Safety Day 2026, it is crucial to address food myths that can harm anyone. Knowing the 5 dangerous food-related mistakes identified by the World Health Organization (WHO) is important.
World Food Safety Day 2026: WHO Debunks 5 Dangerous Food Safety Myths

Credit: AI Generated Image

Food is arguably one of the most important parts of life, as it is essentially the fuel that the body runs on. Food is so important to life that slight complications, changes, or missteps can cause great harm to you. If the food is unsafe, then that can act like poison as well. According to the World Health Organization (WHO), unsafe food causes around 866 million illnesses and 1.5 million deaths every year.

The WHO, in its recent report, reveals that children under 5 years of age experience 29 per cent of the health burden due to unsafe food, with 143,000 deaths in 2021.

WHO Director-General Dr Tedros Adhanom Ghebreyesus said, “Food safety is not an abstract issue – it touches every meal, every family, every day. Unsafe food has always been a major public health concern, but until now, we lacked the bigger picture of its staggering human and economic toll. These new estimates change that.”

Thus, it is crucial to know what to eat, how to eat, and protect yourself from foodborne diseases. And there is a strong connection between unsafe food and food myths; misunderstandings in the kitchen can cost you dearly, so knowing popular food myths from the global health body, WHO, is crucial.

5 Dangerous Food Safety Myths

Can You Tell If Food Is Safe To Eat By Its Look And Smell?

People often think that the smell and appearance of food can help us know its condition, but it's a complete hoax, as the WHO reports that most microorganisms that can make you sick don’t change the look or smell of the food.

Should Raw Poultry Be Washed Before Cooking?

This is arguably one of the popular food-related misconceptions, as in most households, the washing of chicken before cooking is seen as a healthy practice emphasizing making sure that the raw meat has been properly washed and soaked, but the WHO's report proves otherwise. The global body, washing poultry can spread harmful microorganisms to hands, surfaces, utensils, or other food.

Do Organic Fruits And Vegetables Need To Be Washed?

Some think that fruits and vegetables grown organically do not require washing, as they are not cooked with pesticides or chemical fertilizers, and that is a myth. The WHO said all produce, including organic, should be washed with clean water to remove physical contaminants and reduce the risk from any harmful microorganisms or chemicals.

Can Dishcloths Spread Dangerous Bacteria?

Another common habit is to use dishcloths to clean them after washing, and that is a big no from WHO, as dishcloths and sponges can carry and spread dangerous bacteria.

Do I Have To Refrigerate Leftover Food?

Sometimes people do not keep leftover food outside the refrigerator, and that is also a mistake because food can be dangerous to consume if left at room temperature for more than two hours.

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