How Does Your Gut Microbiome Impact Your Overall Health?

Updated Feb 26, 2025 | 07:32 AM IST

SummaryMicroorganisms, or microbes, reside in various parts of your body, but the majority are concentrated in the intestines, particularly in the cecum, a part of the large intestine.
How Does Your Gut Microbiome Impact Your Overall Health?

Credit: Canva

Your body hosts trillions of bacteria, viruses, and fungi, collectively known as the microbiome. While some bacteria are linked to disease, many play essential roles in supporting your immune system, heart health, weight management, and overall well-being. This article delves into the significance of the gut microbiome and its impact on health.

What Is Gut Microbiome?

Microorganisms, or microbes, reside in various parts of your body, but the majority are concentrated in the intestines, particularly in the cecum, a part of the large intestine. This collection of microbes is referred to as the gut microbiome.

Interestingly, bacterial cells outnumber human cells in the body, with approximately 40 trillion bacterial cells compared to 30 trillion human cells. With up to 1,000 species of bacteria present in the gut, each plays a distinct role. While most bacteria contribute positively to health, some can be harmful. Together, these microbes weigh around 1–2 kilograms, functioning almost like an additional organ essential for overall well-being.

How Does Gut Microbiome Influence Your Health?

The relationship between humans and microbes has evolved over millions of years, with the gut microbiome playing a crucial role from birth. Initial exposure to microbes occurs during birth, and some evidence suggests that exposure begins in the womb. As the microbiome diversifies, it starts influencing key bodily functions:

Digestion of breast milk: Beneficial bacteria like Bifidobacteria help break down essential sugars in breast milk, supporting infant growth.

Fiber digestion: Some bacteria process fiber into short-chain fatty acids, which contribute to gut health and reduce risks of obesity, diabetes, and heart disease.

Immune system regulation: The gut microbiome interacts with immune cells, influencing how the body responds to infections.

Brain health: Emerging research suggests a link between the gut microbiome and brain function, potentially affecting mental health and neurological processes.

Gut Microbiome And Weight Management

An imbalance between beneficial and harmful microbes, known as gut dysbiosis, may contribute to weight gain. Studies on identical twins—one with obesity and the other without—suggest that microbiome composition plays a role in body weight independent of genetics. Additionally, animal studies indicate that gut bacteria can influence weight gain, even when calorie intake remains constant.

Probiotics, beneficial bacteria found in supplements and certain foods, can help restore gut balance and support weight loss, though their effects may be modest.

Gut Health And Disease Prevention

The gut microbiome plays a vital role in preventing and managing conditions like irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD). Imbalances in gut bacteria may lead to bloating, cramps, and digestive issues. On the other hand, beneficial bacteria like Bifidobacteria and Lactobacilli help strengthen the intestinal lining, reducing the risk of gut-related disorders.

Impact On Heart Health

Research suggests that the gut microbiome influences heart health by affecting cholesterol levels and blood pressure. Certain harmful bacteria produce trimethylamine N-oxide (TMAO), a compound linked to blocked arteries and heart disease. However, probiotics, particularly those containing Lactobacilli, may help reduce cholesterol levels and promote cardiovascular health.

Blood Sugar Regulation And Diabetes Risk

The gut microbiome also plays a role in regulating blood sugar levels. Research on infants genetically predisposed to type 1 diabetes indicates that gut microbiome diversity declines before disease onset. Furthermore, individual variations in gut bacteria may explain why people experience different blood sugar responses to the same foods.

Connection Between Gut And Brain

The gut is physically connected to the brain through nerves, and certain bacteria help produce neurotransmitters like serotonin, which influence mood and mental health. Studies indicate that people with mental health disorders often have different gut bacteria compared to those without such conditions. Additionally, some probiotics have shown promise in alleviating symptoms of depression and anxiety.

Tips For Healthier Gut Microbiome

Maintaining a balanced gut microbiome is crucial for overall health. Here are some strategies to support gut health:

  • Eat a diverse range of foods: A varied diet rich in fiber, legumes, and fruits promotes microbial diversity.
  • Consume fermented foods: Yogurt, kefir, and sauerkraut contain probiotics that enhance gut health.
  • Limit artificial sweeteners: Some artificial sweeteners can encourage the growth of harmful bacteria.
  • Include prebiotic foods: Bananas, oats, and asparagus contain fibers that nourish beneficial bacteria.
  • Breastfeed infants when possible: Breastfeeding promotes a healthier gut microbiome in babies.
  • Choose whole grains: Whole grains contain fiber and beneficial compounds that support digestive health.
  • Opt for a plant-based diet: Vegetarian diets may reduce inflammation and support a healthier gut microbiome.
  • Consume polyphenol-rich foods: Green tea, dark chocolate, and olive oil contain compounds that foster beneficial bacteria.
  • Take probiotics if needed: Probiotic supplements can help restore gut balance after disruptions, such as antibiotic use.
  • Use antibiotics cautiously: While antibiotics can be life-saving, overuse can harm beneficial gut bacteria.

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NEET-UG 2026 Cancelled: Experts Warn Of Panic, Emotional Distress Among Students

Updated May 12, 2026 | 08:00 PM IST

Summary​According to mental health experts, students can experience palpitations, migraines, insomnia, and constant worry about their rank and future. This setback should not be seen as a personal failure, they said, urging students to remain calm and parents to offer emotional support.
NEET-UG 2026 Cancelled: Experts Warn Of Panic, Emotional Distress Among Students

Credit: AI generated image

The National Testing Agency (NTA), which today cancelled the NEET-UG 2026 examination held on May 3 amid allegations of a paper leak, has left thousands of students across the country anxious, frustrated, and emotionally overwhelmed, triggering protests and outrage among students and parents.

According to mental health experts, such uncertainty can deeply affect students who have spent months preparing for the examination, often sacrificing sleep, proper meals, and their social lives. The sudden cancellation of the exam can therefore leave them feeling helpless, uncertain, and emotionally exhausted.

Experts stressed that this setback should not be seen as a personal failure and urged students to remain calm.

Speaking to HealthandMe, Dr. Aarti Anand, Senior Consultant Clinical Psychologist at the Department of Psychiatry, Sir Ganga Ram Hospital, said feelings of anger, helplessness, disappointment, and anxiety are natural during such situations, especially when the future appears uncertain.

“It is very natural to feel anxious and helpless at this point, but remember that you are not alone in this situation. Thousands of students are going to be affected,” she said.

She also emphasized that students should not assume that their hard work has gone to waste.

NEET-UG 2026: What Is The Controversy All About?

The National Eligibility cum Entrance Test (NEET-UG) is India’s primary national-level entrance examination conducted by the National Testing Agency (NTA) for admission to undergraduate medical (MBBS), dental (BDS), and AYUSH courses in government and private institutions.

The single, standardized offline test for this year was conducted on May 3 for over 22.79 lakh candidates across India and abroad.

“The examination on 3 May 2026 was conducted as scheduled and under a full security protocol,” the NTA said.

However, according to information shared by Rajasthan Police officials, alleged malpractice came to light after certain question sets circulated before the examination reportedly showed similarities with the actual NEET-UG paper.

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Officials probing the matter stated that they recovered a document containing more than 400 questions that had allegedly been circulated days before the exam. Out of these, more than 100 questions from Biology and Chemistry were said to bear “striking similarities” to those that eventually appeared in the examination.

Authorities have described the material as resembling a “guess paper” or coaching-style test series, though investigators have not ruled out the possibility of a larger organized network.

The government has now ordered a comprehensive Central Bureau of Investigation (CBI) probe into the alleged irregularities surrounding the examination.

The NTA has also announced that the medical entrance test will be conducted again on fresh dates to be notified separately, a development that many students feel undermines the time and effort they invested in preparation.

NEET-UG 2026 Cancelled: What Effect Can This Have On Students?

Dr. Manisha Arora, Director - Internal Medicine at the CK Birla Hospital, Delhi, told HealthandMe that students can experience palpitations, migraines, insomnia, and constant worry about their rank and future.

“Postponement can feel like an identity suspension. Students start thinking, ‘What if I do not get the same marks next time? What if I have forgotten everything? What if the exam is harder? What if questions come from outside the syllabus?”

“These thoughts are very common. Students can also develop headaches, dizziness, stomach pain, nausea, diarrhea, insomnia, racing heartbeat, panic attacks, binge eating, or even loss of appetite,” Dr. Manisha said, warning parents and guardians to pay close attention to students’ mental well-being.

NEET-UG 2026 Cancelled: How Can Students Cope With The Stress?

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“One important thing for students to understand is that the knowledge they have gained will not go to waste. They will be able to appear for the exam on the next date,” Dr. Aarti said.

She added that students must acknowledge their emotions instead of suppressing them.

“Students should acknowledge their feelings instead of suppressing them. They should use this pause as a way of structuring their life and moving ahead. They should focus on self-care, sleep, food, and hygiene instead of watching media discussions,” she said.

Mental health professionals also advised students to avoid excessive speculation and negative thinking about future examinations. Instead, they recommended maintaining routines, staying connected with family and friends, and continuing preparation steadily.

“I urge all students not to think negatively, overthink, or fuss about what will happen in the next exam. It is very important for students to keep calm and continue their preparation,” she said.

Dr. Aarti further noted that such moments can become a test of emotional strength and resilience for students navigating academic pressure.

“Students should not feel that the cancellation is a failure. It is not a failure,” she added.

Dr. Manisha urged students to build on the preparation they have already done, gradually remove exam fear from their minds, restart calmly, and prepare themselves to appear for the exam again.

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The Lamp Still Burns: A Note to India’s Young Nurses on Nurses Day 2026

Updated May 12, 2026 | 07:00 PM IST

Summary​This year’s International Council of Nurses theme, “Our Nurses. Our Future. Empowered Nurses Save Lives,” feels written for that young woman holding the lamp. It says clearly that the future of healthcare belongs to her.
The Lamp Still Burns: A Note to India’s Young Nurses on Nurses Day 2026

Credit: AI generated image

If you have ever attended a nursing pinning ceremony in India, you know the moment. The lights dim. Young women carrying small brass lamps walk in, their faces glowing softly as they recite the Nightingale Pledge. Somewhere in the audience, a mother wipes her eyes because her daughter has become the first nurse in their family. The lamp is small. The promise it carries is enormous.

I have stood in many such auditoriums. Today, as a Director of Nursing, I stand among the senior nurses watching the next generation arrive. And I want to tell the young nurse holding that lamp something I wish someone had told me years ago: the profession you are entering is not the same profession your seniors entered. It is wider, brighter, and finally beginning to make room for you.

This year’s International Council of Nurses theme, “Our Nurses. Our Future. Empowered Nurses Save Lives,” feels written for that young woman holding the lamp. It says clearly that the future of healthcare belongs to her.

To understand that future, we must first look at the women who carried the profession before her.

I think of Annie. She trained in Kerala thirty years ago, moved north for her first posting, and never left. She has helped deliver more than two thousand babies in labor rooms that are often crowded, short-staffed, and always full of hope and fear. She does the things doctors rarely have time for. She teaches first-time mothers how to latch a baby, reassures anxious fathers, and explains kangaroo mother care to grandmothers who understand it instinctively the moment skin meets skin.

“When a baby is born,” Annie says, “a mother is born too. Sometimes she needs more help learning to be a mother than the baby needs learning to be a baby. That teaching is also nursing.”

I think of Sunita, who leads a Delhi ICU. During the second COVID wave, she lost a colleague to the virus and returned to duty the next morning. “I cried in the changing room, then I washed my face, then I went back. That is nursing.”

That is also leadership in its rawest form — the kind young nurses inherit not in classrooms, but in hospital corridors at 3 a.m.

What Annie and Sunita share is something quietly extraordinary: they teach. Ask any Indian family about the first hours of their child’s life, and they may remember the doctor briefly, but they will remember the nurse for much longer. It is the nurse who places the baby on the mother’s chest during the golden hour. The nurse who teaches breastfeeding explains danger signs before discharge, and shows trembling parents how to hold or bathe a newborn safely.

This is parent education in its purest form, and in India, it is overwhelmingly delivered by nurses. Florence Nightingale once called maternal nursing the most consequential nursing of all. More than a century later, she is still right.

And here is what is changing for today’s young nurses.

The corporate healthcare sector in India is finally building career pathways that reflect what nurses have always contributed. Roles like Nurse Practitioner in Obstetrics, Nurse Practitioner in Neonatology, certified lactation consultants, childbirth educators, fetal medicine nurses, IVF nurse coordinators, and clinical nurse specialists are no longer distant Western concepts. These opportunities now exist in Indian maternity and child healthcare, and they will increasingly be led by your generation.

The doors do not stop there. There are paths from bedside nursing to leadership roles such as charge nurse, unit manager, Assistant Director, and Director of Nursing. There are opportunities in clinical education, quality and patient safety, infection control, simulation training, research, accreditation, and hospital operations. Nurses who once knew only the hospital floor are now helping shape decisions in boardrooms.

This is what an empowered profession looks like — not a parallel system, but a real ladder built inside the very institutions where nurses dedicate their lives.

Nursing is finally being recognized as a clinical profession in its own right. Virginia Henderson described the nurse as “the consciousness of the unconscious, the eyes of the blind, the support of the weak.” Today, workplaces are slowly beginning to match that reality with better staffing norms, stronger security measures, and greater respect for nursing leadership. Progress may not be perfect, but the direction is right.

For perhaps the first time in Indian corporate healthcare, nursing is being seen not as a cost to minimize, but as a profession worth investing in. You are entering nursing at a moment when the profession itself is being rebuilt.

So, to the young nurse holding the lamp tonight: there will come a night when you are exhausted. The shift will have been long. A patient or relative may have spoken harshly. You will sit quietly in the changing room and wonder, for one honest moment, why you chose this profession. In that moment, remember this.

You chose the profession that places a newborn, still warm from birth, onto the chest of the woman who carried her. You chose the profession that teaches a young father, hands shaking with joy and fear, how to hold his baby safely for the first time. You chose the profession that sits beside the dying when even families cannot bear the pain. You chose the profession that quietly keeps hospitals alive through the night.

Mother Teresa once said, “Not all of us can do great things. But we can do small things with great love.” Nurses do small things with great love every single day. But they also do great things, most of them unseen.

You will notice a newborn’s fever before anyone else does. You will recognize the silence of a struggling mother before it becomes dangerous. You will be the reason a patient survives, heals, or feels less afraid. None of this may appear on a discharge summary. But somewhere, in a family’s prayers, your care will remain unforgettable long after your name is forgotten.

And remember the mother from the beginning of this piece — the one wiping tears as her daughter walks in carrying a brass lamp. She represents every mother in India. She is the mother Annie reassured thousands of times. She is the mother Sunita prayed for during the pandemic.

And one day, she will sit in another auditorium watching another young nurse step forward to receive her lamp.

Because here is the detail most people miss about the lamp-lighting ceremony: no nurse lights her own lamp. A senior nurse lights it first, and from that flame every junior lamp begins to glow. Nursing is a profession that passes its light forward. Annie lit Sunita. Sunita will light you. And one day, another young nurse will look to you for light.

When that moment comes, lean forward.

The lamp is still burning. It has burned through wars, pandemics, and generations of women whose work was too often overlooked. It is now in your hands. Carry it gently. Carry it proudly. Carry it far. And when your hands grow tired, do not let it go out.

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Office AC Freezing You? Be Warned, It Could Give You High BP

Updated May 12, 2026 | 03:50 PM IST

SummaryGood-looking workspaces are not necessarily healthy—and when the air conditioning is too much to take, there could be long-term consequences.
Air conditioning

Sitting under an air conditioner for prolonged hours could also give you high BP. (Photo credit: AI generated)

Contemporary office spaces have been designed to maximise comfort. Comfort includes central air conditioning, comfortable chairs, coffee dispensers, and beautiful interior design. Nonetheless, all these cool offices contribute greatly to the increase in blood pressure among unsuspecting employees. Many office workers spend about 8–10 hours indoors, thinking that comfort equates to good health. Sedentary lifestyles, stress at work, poor eating habits, and minimal movement are some of the factors resulting in increased levels of hypertension among young office-goers.

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In an interview with Health and Me, Dr Tushar Tayal, Associate Director, Internal Medicine, CK Birla Hospital, Gurugram, explained how extreme air conditioning at work can slowly weaken your heart and give you high blood pressure.

Impact of Air-Conditioned Offices on the Body

"Being constantly exposed to an air-conditioned environment may indirectly contribute to the rise in blood pressure levels. Extremely cold temperatures may prevent a person from moving around and sweating. People are less likely to go outside because of the difference in temperature between the interior and exterior environments. On top of that, dry air from air conditioners contributes to dehydration, particularly when people consume too much caffeine and too little water," Dr Tayal explained.

Stress Behind the Screens

Although an office atmosphere may seem serene from the outside, the corporate environment is frequently linked with high mental stress. Pressure to meet targets, appraisals, fear of being laid off, lengthy meetings, and information overload lead to the body being continuously on guard. High levels of stress hormones, such as cortisol and adrenaline, can increase blood pressure. Employees often experience silent stress, which means that while they may not feel emotionally stressed, they suffer from physiological symptoms including headaches, exhaustion, irritability, and hypertension.

Sedentary Lifestyle: The Major Risk Factor for High Blood Pressure Among Corporate Employees

A sedentary lifestyle has proven to be one of the major contributors to high blood pressure among corporate employees who spend much of their time sitting while participating in meetings, watching presentations, or working on computers. Physical inactivity makes the heart less effective while causing issues such as obesity, diabetes, and hypertension. One may think that people who play sports for an hour every day face no risks associated with a sedentary lifestyle, but even then, sedentarism can harm a person. Office employees tend to underestimate the amount of physical activity they engage in at their workplace.

Corporate Dieting: Another Hypertension Risk Factor

Dr Tayal said that the food culture in a corporate office plays a significant role in the development of high blood pressure as well. Numerous tea breaks, snacking on packaged foods with too much salt, takeaway meals, sweet drinks consumed in large amounts, and late suppers after overtime—all these aspects may affect cardiovascular health. Stress-related eating habits and improper food intake also play a role in metabolic disruptions. Consuming foods with excessive salt may be harmful.

BP: Young Professionals Are No Longer Considered “Too Young”

The expert went on to explain that previously, hypertension used to be linked more with elderly individuals. Now, doctors have been noting instances of high blood pressure among young professionals in their mid-20s and 30s. Corporate workers might look healthy from the outside but often neglect signs such as poor sleep quality, fatigue, dizzy spells, or stress. Because there may be no visible signs of high blood pressure, many cases are discovered only through regular medical check-ups. Specialists advise that undiagnosed hypertension can result in serious diseases in the future, such as heart disease or stroke.

Making Corporate Spaces Healthier Places to Work

Modern companies have begun to be urged to reassess the idea of wellness in the office. Promoting physical activity breaks, standing meetings, drinking water, looking after mental health, choosing healthier foods at the company canteen, and getting screened for hypertension can aid in minimising the risks of this illness. Workers can start by implementing small changes, such as doing stretching exercises once an hour, walking around while on the phone, consuming less coffee, and measuring their blood pressure regularly.

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