From controlling body temperature and flushing out toxins, adequate hydration plays a vital role in our general health and well-being, water is a life essential. However, while dehydration garners significant attention, overhydration, or drinking excessive amounts of water, is a condition that can have serious and sometimes fatal consequences.

Although it may sound bizarre since drinking water is said to be the solution for most health related problems it is important to recognize how much water is considered "too much" or the risks involved with being overhydrated can maintain a healthy balance.

What Is Water Intoxication?

Water intoxication, also termed hyperhydration, water poisoning or water toxemia, develops when an individual drinks much more water than the kidney 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 1.0 liters 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 the condition when 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

The 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.

A notable case occurred in 2007 when a woman participating in a water-drinking contest tragically died after consuming nearly two gallons of water in under two hours. More recently, actress Brooke Shields experienced a grand mal seizure attributed to excessive water consumption.

Causes of Water Intoxication

Water intoxication is rare, but certain scenarios can increase the risk:

1. Sporting Events and Endurance Training

These endurance athletes are prone to water intoxication, especially if they drink large amounts of water without replacing lost electrolytes. Hyponatremia usually happens during long races or marathons as individuals mistake fatigue and muscle cramps for dehydration and continue drinking water in excess.

2. Military Training

Overhydration among military personnel is usually due to severe physical activity in extreme environmental conditions. The total number of hyponatremia cases documented from 2007 through 2022 for the active duty in the United States exceeds 1,600, with a note to this problem on exertion-related overhydration.

3. Mental Health Conditions

Compulsive water drinking, known as psychogenic polydipsia, is linked with some mental illnesses such as schizophrenia and psychosis. People with these conditions tend to drink too much water, causing a hazardous electrolyte imbalance.

4. Drug Abuse

Drugs such as MDMA (ecstasy) raise the body temperature and make people thirsty, and at times, some people tend to drink excess water at events like music festivals. MDMA also leads to urine retention, thus exacerbating the dangers of water intoxication.

How Much Water Is Too Much?

The exact amount of water that causes intoxication varies from one person to another. However, drinking more than 1 liter of water per hour for several hours raises the risk. For healthy individuals, the risk of overhydration is low unless taking part in extreme physical activity or ignoring thirst cues.

Certain medical conditions, such as kidney or liver disorders, can impair the body's ability to process fluids, and even moderate water intake may be harmful. Similarly, certain medications, such as diuretics and antipsychotics, can affect the perception of thirst or fluid regulation.

How Much Water Is Enough?

The widely touted recommendation of eight 8-ounce glasses of water per day has little basis in fact. According to the National Academy of Medicine, a daily total fluid intake is about 15 cups (3.7 liters) for males and 11 cups (2.7 liters) for females, from beverage sources and from food. Usually, about 20 percent of daily hydration comes from foods such as fruits and vegetables.

A better rule of thumb is to listen to your body and drink water based on thirst. Use the color of your urine as an indicator:

• Light yellow urine indicates proper hydration.
• Dark yellow urine may indicate dehydration.

Older adults, whose thirst mechanisms may decline with age, should be proactive about maintaining hydration, especially during illness or hot weather.

Water Intoxication vs. Dehydration

The symptoms of water intoxication—such as headaches, fatigue, and muscle weakness—are similar to those of dehydration. If you are unsure which condition you are experiencing, seek medical attention immediately rather than self-treating with more water.

Preventing Water Intoxication

To avoid the dangers of overhydration:

• Drink water gradually throughout the day rather than consuming large amounts at once.
• Replace lost electrolytes post high-intensity exercise or heavy sweating.
• Consider using sports drinks or salty snacks to help replenish sodium.
• Keep track of fluid consumption during long-duration activities, and do not consume more water than the body is losing in terms of electrolytes.
• If on medications or have specific medical conditions, check with your doctor regarding the safety of drinking water.

For signs of severe water intoxication-including confusion, drowsiness, seizures, and loss of consciousness-customer is advised to seek medical assistance immediately. In the meanwhile, a salty snack would help to temporarily correct low sodium levels.

Hydration is important to health, but overhydration can be a serious risk; the secret is in finding a balance. Drink enough water to satisfy your body, but not so much that it overwhelms your system. Remember, water is life, but moderation keeps it that way.

Hyponatremia (low sodium level in the blood). National Kidney Foundation. 2023.

Water Toxicity. NIH. 2023

Exercise-Associated Hyponatremia: 2017 Update. Front Med (Lausanne). 2017

Update: Exertional Hyponatremia Among Active Component Members of the U.S. Armed Forces, 2007–2022

Endometriosis is a chronic disease affecting about 1 in 10 women worldwide. Diagnosis and treatment remain challenging, particularly for women with severe pain and other complications.

Now, US researchers have developed a targeted nanotherapy that showed promising results against endometriosis in early testing.

Scientists at Washington State University found that the treatment reduced endometriosis lesions, symptoms and pain sensitivity after a single dose in mice.

The findings were published in Advanced Healthcare Materials. Researchers hope to eventually test the treatment in humans.

How Does The Drug Work?

Also read: Endometriosis Can Take Years To Diagnose But This AI Tool Can Identify Its Signs In 18 Milliseconds

The drug, niclosamide, was previously used to treat intestinal tapeworm infections in humans and is still used in animals.

Earlier research found that niclosamide could reduce endometriosis lesions and inflammation. However, it is not suitable for long-term use, limiting its potential as a treatment for a chronic condition.

To overcome this, researchers developed a nanotherapy that delivers niclosamide directly to cells associated with endometriosis.

“We found the disease-specific immune cell, and then we had a drug, but we couldn’t target the cell with the drug alone,” said Kanako Hayashi, professor at WSU’s School of Molecular Biosciences.

“So we used this nanocarrier that delivers the drug specifically to the disease site,” Hayashi said.

Single Dose Reduced Lesions In Mice

The team used a nanosized molecule called a dendrimer to bind with niclosamide and deliver it in a more soluble form.

In mice, a single injection reduced the size and number of lesions and lowered pain sensitivity.

“Although we still need to clear multiple phases, this study is telling us the efficacy is strong, and this nanocarrier is stable, so far, for two weeks—and we think we can go longer,” Hayashi said.

If the treatment remains stable for longer periods, researchers believe it could potentially be given less frequently. Hayashi said a monthly injection could be possible in the future, but this would depend on further testing.

READ: Endometriosis Taught Me To Always Listen To My Body, Says Model Padma Lakshmi

Can It Be Used In Humans?

Not yet. The treatment has only been tested in mice and must undergo further safety and efficacy testing before human trials.

Researchers also do not yet know whether it would ultimately be given as an injection or IV infusion.

What Is Endometriosis?

Endometriosis affects an estimated 190 million women worldwide. It occurs when tissue similar to the lining of the uterus grows outside the uterus.

It can cause severe pelvic pain, painful periods, pain during sex and infertility. Symptoms are sometimes dismissed as a “bad period,” contributing to delays in diagnosis.

There is currently no cure, although treatments can help manage symptoms.

How Is Endometriosis Treated?

Treatment depends on symptoms, disease severity and fertility goals.

Hormonal medicines can help control pain and disease activity but may cause side effects and can affect fertility while being used.

Painkillers, including non-steroidal anti-inflammatory drugs, may help manage discomfort.

Laparoscopic surgery can remove lesions and endometriotic cysts and may help restore pelvic anatomy. It can also improve fertility in some women, although the disease can recur.

Lifestyle measures such as regular exercise, stress management and dietary changes may also support symptom management.

Lung development of the fetus depends on the physical and genetic health of the parents.

At birth, breathing begins with air from the environment, containing oxygen and other gases, and is influenced by known and unknown forces of nature. The air then passes through well-developed nostrils, which regulate the air temperature and prevent foreign bodies from entering the body and help protect against diseases.

Breath travels through the nasal passages, sinuses, pharynx (throat), larynx (voice box), trachea (breathing tubes), bronchi, small airways, air sacs, interstitial membrane, into thin-walled blood vessels that transport oxygen and collect gases and other substances to be expelled from the body.

The diaphragm, the muscle that separates the lungs from the abdomen, is the most powerful breathing apparatus.

The lungs in the early stages of life undergo dramatic changes from newborn→ infancy→ childhood→ puberty→ teenage→ adults→ middle age→ seniors. Factors influencing lung health risks keep changing with age, depending on genetics, environment & external factors.

• Genetics or abnormalities – disorders at birth, transmitted from parents. Stress, environment, nutritional deficits, and accidents play an important role in lung and airway development. Also, anatomical abnormalities of the airways since birth, whether corrected or correctable or left alone.

• Allergy—genetic or acquired is lifelong unless well managed

• Chronic health conditions – Asthma can occur during childhood, pregnancy, post-pregnancy, or later in life and is generally manageable. Diabetes can develop during childhood, in young adulthood, or later in life, but it can be managed effectively. Hypertension, including pulmonary hypertension, can occur at any age and may be caused by blood clots, underlying diseases, primary conditions, or genetic factors.

• Environmental factors and unhealthy habits – smoking, pollution, gases, drugs, near-drowning. Recreational drugs, or side effects of medications used for diseases of the body, can have a telling effect on the lungs and airways.

• Nutrition – inadequate nutrition of mother and child can cause damage till old age

• Occupational lung disease – at any stage – workplace, smoking, birds, pets, pollution, construction activity, dusty atmospheres and travel, which may cause difficulty in breathing till later in life, leading to chronic obstructive lung disease that may cause morbidity.

• Infections – Can occur during childhood or throughout life, affecting both healthy individuals and those with reduced immune function, which may be due to co-existing diseases, medications that suppress the immune system to prevent rejection of transplanted organs, congenital immune deficiencies, or acquired immune deficiencies resulting from medications, external factors, or underlying diseases.

• Prophylactic medication, vaccines, and early treatment of airway diseases help in later life.

• Autoimmune diseases–arthritis, thyroid, etc.- where the body's defense mechanism has become rogue and fights itself, can develop from childhood till late in life.

• Accidents – happen at any age, damaging the breathing apparatus and requiring emergency treatment

• Cancer in any part of the body, including radiation, may affect the lungs at any age

• Body’s failure of in-built Immunity (innate) or acquired immunity mechanism; sunlight is nature’s gift to mankind; it improves lung resistance at all ages

• Snoring as an indicator for suspected obstructive sleep apnea

For Better Lung Health

• Exercise – yoga, sports, walking, physical and breathing exercises help to improve the performance of the respiratory tract throughout life

• Education – helps in understanding the causes, prevention, and timely treatment. It helps in averting damage to the airways in the future.

• Availability of health care facilities in urban & rural areas – can make a difference in the development, prevention, and treatment of respiratory disorders.

• Breastfeeding of the baby is important as it helps in the development and growth of the lungs, immunity, and fighting against damaging forces in nature, in the form of bacteria, viruses, fungi, prions, and a horde of known and unknown mechanisms which harm airways. Cough and sneeze reflexes begin to develop, which are powerful forces used to throw out unwanted particles and organisms from the airways.

The lungs and airways perform non-respiratory functions of protecting the body against harmful insults, both from within and external threats, and it also protects against insults received from other organs of the body. The lungs have a powerful defense mechanism protecting the body and also have hormonal, physical, and immunological defense mechanisms.

Every year on October 2, World No Alcohol Day urges people to pause and think about alcohol's place in everyday life. Here's where the day came from, and what current research actually shows about drinking.

World No Alcohol Day: Origins

It began in 2008, when India's then Union Health Minister, Dr. Anbumani Ramadoss, proposed a global alcohol-free day at the World Health Assembly in Geneva, according to National Day Calendar. The proposal drew support from 11 Southeast Asian countries.

The World Health Organization never formally adopted October 2 as an official global observance, according to a summary on Checkiday. There are, in fact, three dates tied to alcohol awareness worldwide: October 2 and October 3, observed by many groups as World Alcohol-Free Day or World Temperance Day, and November 15.

In India, October 2 is also a nationwide dry day, with no alcohol sales permitted, and is marked separately as National Anti-Drug Addiction Day.

Also Read: Does Experimental Obesity Drug Petrelintide Cause Fewer GI Side Effects Than Ozempic? Lancet Study Shows Promise

What Science Says About Alcohol Now

The science has shifted since 2008. In January 2023, the World Health Organization stated plainly that no level of alcohol consumption is safe for health, publishing the position in The Lancet Public Health. The WHO said current evidence cannot identify any threshold below which alcohol's cancer-causing effects switch off.

Alcohol is classified as a Group 1 carcinogen, the same risk category as tobacco and asbestos, and is linked to at least seven types of cancer, including the most common cancers in men and women, bowel and breast cancer, according to the WHO.

Globally, alcohol was responsible for an estimated 741,300 new cancer cases and contributed to nearly 400,000 cancer deaths in a single year, as per Lancet-based estimates cited by the Union for International Cancer Control.

Previous research has showed some benefits of wine, but the majority scientific consensus now is that there is no safe levels of alcohol. The World Health Organization says health risks begin with the first drop of alcohol, meaning no level of consumption is completely safe or risk-free.

The toll beyond cancer

Cancer isn't the only risk. Alcohol use is tied to roughly 2.5 million deaths worldwide each year, including 320,000 among people aged 15 to 29, according to the WHO. Beyond individual health, alcohol-related harm also means more road accidents, violence, and strain on healthcare systems.

A May 2026 study linked alcohol to 62 disorders, ranging from heart and digestive diseases to mental and neurological conditions and cancers.

The study, published in the journal Addiction, showed that the fully alcohol-attributable conditions are mainly grouped under non-communicable diseases and injuries.

These include:

• Endocrine, nutritional, and metabolic diseases
• Mental and behavioral disorders
• Diseases of the nervous system
• Diseases of the circulatory system, such as alcoholic cardiomyopathy
• Digestive diseases
• Alcoholic liver disease and cirrhosis.

The data also included psychotic disorders, gastritis, ulcers, pancreatitis, fatty liver disease, pregnancy- and perinatal-related conditions such as fetal alcohol syndrome and fetal alcohol spectrum disorders, as well as external causes and injuries, including alcohol poisoning.

Excessive alcohol consumption is one of the leading preventable causes of illness and death in the US, according to the Centers for Disease Control and Prevention.

Research shows that alcohol accounts for approximately half of all liver-related deaths, while alcohol-associated cirrhosis has become the leading cause of liver transplants.