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

People living with obesity and diabetes often feel healthy in their day-to-day life, but some of the most dangerous changes may be happening silently inside their bodies.

The liver is one of the first organs to be affected. In many cases, fat slowly accumulates in the liver without causing any pain, discomfort, or obvious symptoms. This is why fatty liver disease is often called a “silent condition.” By the time it is detected, it may already have progressed to an irreversible stage.

Excess body fat, particularly around the abdomen, disrupts how the body processes sugar and fats, placing continuous stress on the liver. Because of this silent progression, experts now strongly recommend that people living with obesity and type 2 diabetes should proactively check their liver health, even when they feel completely well.

Obesity is closely linked with liver damage through a series of metabolic changes that develop over time. When the body becomes resistant to insulin, fat begins to accumulate in liver cells, triggering inflammation and gradual injury.

If this continues unchecked, the condition can progress from simple fat accumulation to more serious stages, including metabolic dysfunction-associated steatohepatitis (MASH), where inflammation and liver cell damage become more significant.

Over time, this may lead to fibrosis (scarring of the liver), and in advanced cases, cirrhosis, which can severely affect liver function. Further, patients with fatty liver may directly present with liver cancer, which can occur in up to 20% of patients.

How Common Is Fatty Liver In People With Diabetes And Obesity?

In India, the burden of metabolic dysfunction-associated steatotic liver disease (MASLD) or fatty liver is rising and is now recognised as a common metabolic condition. Studies from the Indian subcontinent estimate that 1 in 3 people may have MASLD. Fatty liver is particularly common among individuals with metabolic risk factors.

It is seen in nearly 40–80% of people with type 2 diabetes and 30–90% of those with obesity, often without clear symptoms.iv Hospital-based trends also suggest increasing detection in younger age groups, reflecting changes in diet, reduced physical activity, and more sedentary lifestyles.

Also read: Post-Menopausal Women Face A Higher Risk Of Fatty Liver Disease: How Falling Estrogen Levels Impact Liver Health

What Liver Checks And Preventive Measures Should You Follow?

Preventive measures to be followed:

• If you live with excess weight/obesity and type 2 diabetes or PCOS (polycystic ovarian syndrome) or dyslipidemia, seek early consultation with a physician or hepatologist.

• Your doctor may request routine metabolic screening:

• Regular liver function tests as part of annual health check-ups

• Ultrasound screening for individuals with obesity or diabetes

• Monitoring blood sugar, cholesterol, and triglyceride levels

• Liver scarring scan (annually for patients with diabetes/obesity)

• Avoiding long-term neglect of “mild” or borderline test results

Also read: From Liver Inflammation to Cancer: When Hepatitis Becomes a Serious Warning Sign

With rising obesity rates in India, early liver screening should become a routine part of preventive healthcare. Even modest weight reduction, improved diet quality, and regular exercise (approximately 150 minutes per week of moderate-intensity exercise (example: brisk walking, gardening, swimming, cycling) or 75 minutes of vigorous exercise (example: weight training) can significantly reduce liver fat and inflammation within 3-6 months.

However, once the disease progresses to MASH or fibrosis, reversal becomes more difficult and may require long-term medical management. Early-stage fatty liver disease is reversible in many cases. In fact, medications can even reverse liver fibrosis (early scarring), but in only 25% of patients. Simple homemade food is sufficient to prevent these lifestyle diseases, and there is no need for “fancy online diets or supplements”.

Our forefathers lived longer by consuming homemade food and water without any supplements. Newly approved therapies such as semaglutide (GLP1 analogues) have been shown to resolve steatohepatitis and reduce liver fibrosis. These liver benefits do not appear to be explained solely by weight loss, suggesting a broader potential impact on liver health.

The absence of symptoms does not mean the absence of risk. Taking care of the liver early is not just about preventing disease; it is about protecting long-term health, energy, and quality of life.

By Dr. Anand V. Kulkarni, Senior Consultant Hepatologist & Director – Critical Care Hepatology, AIG Hospitals, Hyderabad

There is a conversation that comes up in almost every consultation, and it is rarely the one the patient came prepared for. After graft numbers, hairline design, cost and downtime have been discussed, the question of smoking and drinking inevitably follows — and the answer is usually a shrug: occasionally, socially, nothing serious.

Yet of all the variable that determines what a patient sees in the mirror eighteen months later, these two are among the very few fully within their control, and among the most underestimated.

What Smoking and Alcohol Do to the Scalp

The hair follicle is one of the most metabolically demanding structures in the body, dividing faster than almost any other cell population and depending entirely on a dense network of microscopic vessels feeding its base. Nicotine constricts those vessels; over years, repeated narrowing combined with low-grade inflammation contributes to perifollicular fibrosis — scarring that gradually chokes the follicle.

Alcohol takes a different route, depleting the zinc, iron, folate, B12 and protein hair is built from, while fragmenting sleep and raising cortisol — both of which push follicles prematurely into their resting phase. For a transplant candidate, this matters twice over: it reflects donor-area quality, and it signals the kind of healing environment the grafts are about to enter.

Also read: The Hidden Health Risk of Sitting for Long Hours: What Young Professionals Need to Know

Why the First Week After Surgery Is So Critical

For the first few days after surgery, a transplanted follicle is essentially cut off from its blood supply, surviving on nutrients diffusing in from surrounding tissue.

New capillaries begin connecting around day four or five, with full revascularisation taking seven to ten days — the most vulnerable window in the graft's life. Smoking attacks it from two directions: nicotine causes sustained vasoconstriction after every cigarette, while carbon monoxide binds haemoglobin more readily than oxygen, so the reduced blood reaching the scalp also carries less oxygen.

The result is rarely dramatic — just poorer graft survival, patchier density, and a final outcome thinner than the graft count promised. Patients often read this as bad luck; it usually isn't. Notably, this applies equally to vaping, hookah and smokeless tobacco like gutkha or khaini — the delivery method changes, but the nicotine doesn't.

Also read: Ozempic/Wegovy Vs Zepbound/Mounjaro: Which Weight Loss Drug Is More Likely To Cause Hair Loss? Study Finds

Alcohol's More Immediate Risk

Alcohol's damage is more mechanical. It causes vasodilation and impairs clotting, meaning patients who've been drinking beforehand bleed more during surgery — which makes graft placement less precise and can dislodge grafts already sited.

Afterward, the same vasodilation worsens normal post-op swelling, its diuretic effect fights the hydration healing tissue needs, and its immune-suppressing effect arrives just as the scalp carries thousands of small open wounds. There's a medication risk too: alcohol combined with post-op antibiotics, anti-inflammatories or steroids raises the chance of gastric irritation or a genuinely unpleasant systemic reaction.

Recommended Windows

For smoking: stop at least two weeks before surgery (four is better), and stay off it for two weeks to a month afterwards — the long lead-in accounts for how slowly small-vessel and immune function normalise, and the long tail covers graft revascularisation.

For alcohol: stop five to seven days before, and avoid it for ten to fourteen days after, or as long as medication continues, since its effects reverse faster. One caveat worth repeating: patients often say they've "stopped" when they've merely cut back. A single cigarette produces measurable scalp vasoconstriction — in this window, occasional isn't the same as fine.

Also read: Love Travelling? Here's How Flying Frequently Impacts Your Health

The Myth That Lifestyle Stops Mattering

A costly misconception is that once surgery is done, lifestyle no longer matters. It's a half-truth: transplanted follicles, taken from the DHT-resistant back and sides of the scalp, are permanent and won't miniaturise. But a transplant only redistributes existing hair — every native follicle remains susceptible to ongoing loss.

If that native hair keeps thinning, overall density falls even though every graft survives, and patients often mistake this for transplant failure. In reality, the surroundings have receded, accelerated by smoking, poor sleep, chronic stress and poor nutrition. Surgery buys a foundation; lifestyle determines how long the picture around it holds.

Practical Guidance

Honesty at consultation matters — knowing a patient smokes heavily changes the surgical plan toward more conservative density and staging, which protects the result. The pre- and post-op window should be treated as non-negotiable, even if permanent quitting feels distant; a defined four-week commitment is far more achievable than an open-ended one.

Switching to vaping or nicotine gum isn't automatically safe — it removes carbon monoxide and tar, but nicotine, the actual vasoconstrictor, remains, so replacement therapy should be discussed with the surgeon. Fundamentals also help: adequate protein, iron and vitamin D, seven to eight hours of sleep, hydration, and gentle movement once cleared.

Turning Surgery into Leverage

Finally, surgery itself can be motivating. Patients who've just invested significant money and recovery time in their appearance are often more driven to quit than at any other point in

By Dr. Harikiran Chekuri, Hair Transplant Surgeon, Founder and Chief Plastic Surgeon, Redefine Hair Transplant & Plastic Surgery Center

It is difficult to determine emotions because of the neurological differences, the surrounding in childhood, the psychological ways of survival, and absence of emotional training.

Alexithymia or "emotional blindness" is the neuropsychological trait associated with severe problems with identification, recognition, and description of the person's emotions. Alexithymia is not a psychiatric disease but a personality trait.

It is characterized by the inability to identify and distinguish emotions and body sensations, difficulty of finding the words to express feelings, inability to understand facial expression and body language of another person and emotional detachment during stressful situations.

It is diagnosed in people with autism spectrum disorder, depressive disorder, generalized anxiety disorder and after traumatic brain injuries. It can be inherited or acquired as a result of childhood trauma, abuse or neurological damage.

The Brain Science Behind Alexithymia

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The cause of alexithymia is the brain wiring and neurological differences. Therefore, there is impaired interception, which is the inability of the brain to recognize its own physical sensations. Also, an unusual structure of the brain regions like amygdala and insula, that regulate emotions, makes difficult to decode emotional signals.

Early childhood environment and emotional competence must be developed in childhood, because, without that, there can be emotional neglect and emotional vocabulary deficiency. Due to the inability to interpret emotional data, the person misses the compass that directs decisions and self-calming. This leads to emotional outburst, panic, hyperarousal, social and psychological consequences.

How Alexithymia Differs From Emotional Numbness

Also read: World’s First Live AI-Assisted Brain Surgery Saves Patient’s Sight: How Does The Technology Work?

Emotional numbness is the transient psychological state caused by acute trauma, deep grief or burnout.

The lack of emotional intelligence is the lack of social and emotional competence, when the person feels his emotions correctly, but he cannot control temper, lacks empathy, makes inappropriate social decisions or do not know what kind of effect his behaviour causes on the room.

But alexithymia is different since it is long-term personality trait and the person is unaware of the particular emotion.

In terms of neurodevelopment, the insular cortex and the anterior cingulate cortex (ACC) are the structural core of the brain's salience network. They work as a translator, transforming chaotic physical sensations into recognizable emotional experience.

Although there isn't any cure for alexithymia, one can improve his emotional awareness through certain measures. Interoceptive training where individuals are taught how to associate physical body sensations (such as tightness in the chest) with particular emotions (such as stress).

The use of emotion wheel or list of emotional words to bridge the link between vague physical sensation and precise description. Mindfulness, which involves observing oneself without judgment or without trying to suppress those internal feelings right away. And it is always good to seek professional help from a psychologist or a counselor.

By Dr. Arun Shah, Director - Neurosciences, Sir H.N. Reliance Foundation Hospital