Low blood pressure, also known as hypotension, is usually considered a sign of good health and low risk for cardiovascular disease. However, there are times when persistently low blood pressure or a sudden drop can be a sign of an underlying health issue that needs medical attention. Knowing when low blood pressure becomes a problem can help ensure timely intervention and proper care.

Blood pressure readings consist of two numbers:

Systolic pressure (the top number) indicates the pressure in your arteries when your heart pumps blood. Diastolic pressure (the bottom number) reflects the pressure in your arteries while your heart is resting between beats.

The normal reading is usually 120/80 mmHg or less. Hypotension is clinically defined as having blood pressure readings less than 90/60 mmHg. In some patients, low blood pressure will have no adverse health consequences and therefore does not need to be treated. In extreme cases, however, it can limit the flow of oxygen and nutrients to vital organs, resulting in potentially life-threatening complications, such as shock.

Causes of Low Blood Pressure

Hypotension can result from many factors. Some of the factors that cause hypotension are as follows:

• Insufficient fluid intake or excessive fluid loss can lead to decreased blood volume and hence hypotension.
• An injury or internal bleeding may result in hypotension. This happens because blood pressure becomes significantly reduced.
• Some hormonal changes along with the increased blood requirement during pregnancy also causes hypotension.
• Issues like heart failure or arrhythmias can impair blood circulation and result in low blood pressure.
• Certain drugs, including diuretics, antidepressants, and blood-pressure-lowering medications, can induce hypotension.

Symptoms of Hypotension

While low blood pressure may not always cause symptoms, it can sometimes be associated with:

- Dizziness or fainting

- Fatigue and weakness

- Blurred vision

- Nausea

- Confusion or difficulty concentrating

- Shallow breathing

- Palpitations

If the person experiences these symptoms, with the recorded blood pressure reading, the medical services have to be consulted.

Types of Low Blood Pressure

1. Orthostatic Hypotension: This is a kind of hypotension that appears as a result of decreased blood pressure when a person is standing up from lying down or sitting position and primarily affects elderly people.

2. Postprandial Hypotension: This is a drop in blood pressure after eating, more common in older people.

3. Neurally Mediated Hypotension: It is triggered by standing for long periods. This type can affect younger people and is associated with miscommunication between the brain and heart.

When Is Low Blood Pressure Dangerous?

There is no such thing as a universal threshold for very low blood pressure, but a blood pressure reading below 90/60 mmHg can be dangerous and require prompt medical assessment if accompanied by symptoms of fainting, confusion, or shortness of breath. Sudden falls in blood pressure may point to potentially serious underlying causes, which can include:

• Internal bleeding
• Sepsis (severe infection)
• Allergic reactions

Management and Treatment

Treatment of hypotension depends on its cause:

• Hydration Drinking more water can help against dehydration-related hypotension.
• Compression Stockings: These can improve circulation and reduce blood pooling in the lower limbs.
• Dietary Changes: Increasing salt intake under supervision can help increase blood pressure
• Medication Changes: The physician may need to reduce dosages of some medications or replace prescriptions.

For more severe cases, physicians might also administer fludrocortisone or midodrine to increase blood pressure. Shock from hypotension should be treated promptly to ensure proper function of organs.

Can Hypotension Cause Fatigue?

Chronic fatigue syndrome has also been associated with low blood pressure. Prolonged tiredness, despite adequate rest, may require reassessment of blood pressure levels. Fatigue secondary to hypotension will impact functionality and thus requires assessment and treatment of the cause.

When to Seek Medical Care

If your blood pressure readings are low consistently and without symptoms, you probably have nothing to worry about. If you do have symptoms like dizziness, fainting, or confusion, you need to go to the doctor. Blood pressure checks are usually conducted regularly. Once you are aware of your own normal baseline, you will know right away when there is something wrong.

Lifestyle Tips That Support Normal Blood Pressure

1. Other than directly treating hypotension, a healthy lifestyle overall would promote balanced blood pressure levels.
2. Exercise regularly; it promotes cardiovascular health and can help regulate blood pressure.
3. Focus on nutrient-dense foods rich in iron, B vitamins, and electrolytes to support circulatory health.
4. Excessive alcohol consumption dehydrates the body and lowers blood pressure.
5. Practices like yoga and meditation can help maintain a healthy blood pressure range.

“All That” star Christy Knowings has died after reportedly suffering an asthma attack that led to cardiac arrest and brain damage.

The 46-year-old actress was hospitalized on August 7 after the attack and placed on life support, TMZ reported.

According to TMZ, citing family sources, Knowings suffered cardiac arrest following the asthma attack. Her family decided to take her off life support on August 11.

Knowings, who was born on February 25, 1980, in the Bronx, is the second former All That cast member to die this year, following the fatal hit-and-run death of Kianna Underwood in January in Brooklyn.

In a Facebook post, Knowings’ aunt wrote that her niece was an “outstanding actress, comedian, twin sister” and an “amazing daughter.”

Knowings’ reported death after complications from an asthma attack is a reminder that while asthma can often be managed, it should not be taken lightly, health experts told HealthandMe.

What Is Asthma? How Severe Can It Turn?

Dr. Abhijit Ahuja, Consultant Pulmonologist, Saifee Hospital, Mumbai, explained that asthma is a condition that makes it difficult to breathe because the airways become inflamed and narrow.

Many people with asthma can control their symptoms with medication. However, an asthma attack can sometimes become severe and life-threatening.

During an asthma attack, symptoms suddenly worsen and usual medication may not provide enough relief. A person may experience difficulty breathing, wheezing, chest tightness, severe coughing or trouble speaking.

“If you use your inhaler but still have trouble breathing, you need to go to the hospital right away,” Dr Ahuja said.

When the airways become so narrowed that the body does not receive enough oxygen, the asthma attack can turn severe. The lungs may also be unable to remove carbon dioxide properly.

“If this keeps happening, it can hurt parts of the body like the brain and the heart,” Dr Ahuja said.

A severe asthma attack can lead to difficulty breathing, loss of consciousness, brain injury and cardiac arrest.

When Can an Asthma Attack Be Deadly?

Dr. Taniya Mehta, Consultant Respiratory Medicine, Sterling Hospitals, Gujarat, told HealthandMe that while most asthma attacks can be treated, a very severe attack can become deadly when the airways become so tight that the lungs cannot get enough oxygen.

“If treatment isn't given quickly, low oxygen levels can cause the lungs to stop working, damage the brain, cause the heart to stop and lead to death,” she said.

Signs That an Asthma Attack Is an Emergency

Seek emergency medical help if a person has:

• Breathing difficulty or wheezing that is rapidly getting worse.
• Trouble speaking more than a few words because of breathing difficulty.
• No improvement after using a quick-relief inhaler.
• Blue, grey or very pale lips, fingernails or skin, which may indicate low oxygen.
• Severe confusion or loss of consciousness.

Who Is More Likely to Have a Severe Asthma Attack?

People may be at greater risk if they:

• Have had a severe or life-threatening asthma attack before.
• Need to use their quick-relief inhaler frequently.
• Do not use their asthma medicines as prescribed.
• Do not have their asthma under control.
• Cannot recognise when their symptoms are getting worse.

Do Not Wait Out a Severe Asthma Attack

Deadly asthma attacks are uncommon, but they can happen quickly, the doctors warned.

Taking asthma medication as prescribed, knowing how to use inhalers correctly, attending follow-up appointments and undergoing lung tests when needed can help keep asthma under control.

Walking past a bakery and suddenly craving a pastry, even though you’re not physically hungry.

Seeing an ad for your favorite pizza while watching TV and suddenly thinking about ordering it, even though you’ve just had dinner.

Do you experience this too? This is often referred to as “food noise”—persistent cravings, thoughts or mental chatter about food that can occur even when you’re not physically hungry.

A 2025 study published in Nutrients found that 57% of people with obesity reported experiencing food noise.

Constant exposure to food cues—from social media posts and advertisements to food-delivery apps and supermarket aisles—can further fuel these cravings.

While thinking about food is a natural part of everyday life, for some people living with obesity, these thoughts can become persistent and difficult to escape. This may contribute to overeating and, over time, make weight and metabolic health harder to manage.

HealthandMe spoke to Dr. Jasjeet S Wasir, Bariatric & Metabolic Physician, Director, Medanta – The Medicity, to understand the mechanism behind food noise.

What Is Food Noise?

“Food noise is like having a notification pinging on your phone every few minutes. You can ignore it a few times, but eventually the constant pinging wears down your attention and willpower, and you give in to it and indulge,” Dr. Jasjeet said.

A more formal, non-medical definition of food noise is persistent, intrusive thoughts about food, such as cravings, mental “chatter” about what to eat next, or a preoccupation with eating that some people experience throughout the day, seemingly independent of actual hunger.

Normal Hunger vs Food Noise

Normal hunger, or the “hunger of the body”, occurs when the body needs food and the brain responds to that need. Once adequate nutrition and calories have been consumed, appetite is influenced by satiety signals and hormones such as leptin, GLP-1 and insulin.

With food noise, however, thoughts about eating can persist even when a person is not physically hungry.

The biology behind food noise is not necessarily a primary defect in the physiological hunger system, but may involve overactivation of the reward system. This system influences mood, motivation, pleasure and cravings and can be activated by food-related cues such as sight, smell and memory, Dr. Jasjeet said.

What Can Trigger Food Noise?

Common situations in which people may experience heightened food noise include:

• Chronic calorie restriction or dieting
• Chronic sleep deprivation
• Chronic stress
• Rare genetic disorders of the reward system

Could Food Noise Affect Prediabetes and Weight?

Dr. Jasjeet said that "there is no direct or linear correlation between prediabetes and food noise. The relationship is more complex, and it can be difficult to determine which comes first".

In a healthy state, insulin acts on appetite centers in the brain and helps suppress hunger. Prediabetes, in most cases, involves insulin resistance. Insulin resistance in the brain may alter this appetite-suppression effect and potentially contribute to persistent food-related thoughts.

At the same time, prediabetes, excess weight and increased cravings can share common underlying factors, including insulin resistance, inadequate sleep, stress, dietary patterns, genetics and the food environment.

"Food noise becomes important when thoughts about food begin to influence everyday eating behavior—for example, when a person repeatedly eats without physical hunger or finds it difficult to stop thinking about food," the expert said.

If persistent food-related thoughts contribute to excess energy intake and weight gain, they may adversely affect metabolic health and perpetuate insulin resistance. Over time, this can increase the risk of complications such as type 2 diabetes.

However, the doctor said that food noise is not a symptom or diagnostic marker of prediabetes. Prediabetes needs to be identified through appropriate blood glucose tests.

Insulin Resistance Alone Does Not Cause Food Noise

Dr. Manjunath Malige, Director, Endocrinologist, Diabetologist, Obesity & Weight Management Specialist, Sakra World Hospital, Bengaluru, told HealthandMe that people with prediabetes usually have some degree of insulin resistance, but insulin resistance alone cannot be said to cause food noise.

Appetite and eating behavior are complex and influenced by biological signals, brain reward pathways, environmental food cues, sleep, stress and learned behaviors.

In India, where diets can sometimes be carbohydrate-heavy and low in protein or fiber, some people may experience greater fluctuations in hunger and cravings. When this constant chatter around food becomes excessive, it can take up significant mental space. If it leads to frequent snacking or overeating, it can make weight and blood glucose management more challenging.

How Can Food Noise Be Managed?

Dr. Jasjeet said the first step is not to fight food or impose extreme restrictions, but to understand what is driving the urge to eat.

The doctor noted that ask yourself: Is it genuine hunger, or are you eating because of stress, boredom, habit or simply because food is available?

Having structured, balanced meals with adequate protein, vegetables, fiber and healthy fats can improve satiety. Excessive restriction or skipping meals can sometimes make cravings worse.

Other important factors include:

• Good-quality sleep
• Regular physical activity
• Stress management

Most importantly, the experts noted that the goal is not to never think about food, as food is an important part of our lives and culture. The concern is when these thoughts become intrusive, distressing or start controlling eating behavior. In such cases, it is important to seek professional guidance.

Liver diseases are becoming increasingly common in India, yet many people are unaware of the difference between fatty liver and hepatitis. While both conditions affect the liver, their causes, treatment, and long-term risks are very different. Understanding these differences is important because untreated hepatitis can, in some cases, lead to liver cancer over time.

Fatty Liver And Hepatitis: What’s The Difference?

Fatty liver disease occurs when excess fat accumulates in the liver. In India, it has emerged as a major health concern due to rising rates of obesity, diabetes, sedentary lifestyles, and unhealthy dietary habits. Studies suggest that nearly one in three Indian adults may have fatty liver disease.

Also read: England Set To Become One Of The First Countries To Eliminate Hepatitis C; Here's How

Why Chronic Hepatitis Can Raise Liver Cancer Risk

One of the biggest concerns with chronic hepatitis, particularly Hepatitis B and Hepatitis C, is its association with liver cancer. The infection can silently persist for years without causing noticeable symptoms. During this period, continuous inflammation may lead to fibrosis (scarring), cirrhosis, and eventually hepatocellular carcinoma, the most common type of liver cancer.

According to the World Health Organization (WHO), chronic hepatitis B significantly increases the risk of liver cancer and remains one of the leading causes of liver cancer-related deaths worldwide.

India’s Silent Hepatitis Burden

India continues to carry a substantial burden of viral hepatitis. WHO estimates indicate that nearly 40 million Indians are living with chronic Hepatitis B infection and between six and twelve million with chronic Hepatitis C infection. Many remain undiagnosed because early disease often causes no symptoms.

Warning signs that should not be ignored include persistent fatigue, loss of appetite, abdominal discomfort, unexplained weight loss, jaundice (yellowing of the eyes and skin), dark urine, or swelling in the abdomen. However, many patients with chronic hepatitis may feel completely healthy until significant liver damage has already occurred.

Can Hepatitis-Related Liver Cancer Be Prevented?

Also read: How Chronic Hepatitis Quietly Progresses To Liver Cirrhosis: Why Early Action Can Save Your Liver

"The good news is that liver cancer arising from hepatitis is often preventable. Hepatitis B vaccination is safe and highly effective. Regular screening, timely antiviral treatment, and periodic liver monitoring can significantly reduce the risk of cirrhosis and liver cancer"- said Dr Ashwin Rajbhoj from M|O|C Cancer Care Pune. Similarly, maintaining a healthy weight, controlling diabetes, exercising regularly, and limiting alcohol intake can help prevent and reverse fatty liver disease in its early stages, he added.

The key message is simple: fatty liver and hepatitis are not the same disease. While fatty liver is primarily linked to lifestyle and metabolic health, chronic viral hepatitis can silently progress to liver cancer if neglected. Early diagnosis and timely treatment remain the best defence against serious liver complications.

By Dr Ashwin Rajbhoj, M|O|C Cancer Care, Pune