Credit: Canva

Credit: Canva

Updated Dec 14, 2024 | 09:10 AM IST

How Many Times Does Your Heart Beat In A Day And In A Lifetime?

SummaryYour heart beats billions of times in a lifetime, tirelessly pumping blood, supporting life, and adapting to activity. Learn about its rhythms, lifespan, and importance in overall health.

Thump, thump. The pounding rhythm is synonymous with the beat of life itself - the sound of a person's heartbeat. This remarkable organ is a marvel of nature, working nonstop day after day, month after month, to give life a chance. A pulse never-ending in its cadence, this rhythm stands out as not only the beat of strength but as also an endless source of interest and inspiration across cultures and down the centuries.

It is nothing short of miraculous that the heart can keep functioning day and night without having to rest like any other muscle. But how often does this miracle organ pump in a day? How many beats add up for a lifetime? Let's get deep into the science, mechanics, and statistics of the heart to answer these questions.

Anatomy and Function of the Heart

It's about the size of a fist, and located central to your chest cavity, a little toward the left. Though not necessarily small, it is literally the most important muscle in the entire human body. Its main job? To pump enriched oxygenated blood to your every cell while taking the carbon dioxide and waste of that cell away. Heart - the engine of circulatory system, the one pump with two jobs : feed and function.

Right Side of the Heart: Accepts the deoxygenated blood coming from the body to the lungs for oxygenation.

Left Side of the Heart: Pumps the oxygen rich blood that it gets from the lungs throughout the entire body.

The complexity works in harmony in a manner that allows all the tissues and organs in the body to thrive with their requirements of oxygen and nutrients.

Heartbeats in A Day

The number of times your heart beats in a day depends on several factors, including age, physical activity, and overall health. On average, a resting adult heart beats 60 to 100 times per minute. When you’re exercising, emotional, or even simply digesting food, this rate can rise significantly.

Here’s a quick breakdown:

  • At rest: 60–100 beats per minute (BPM).
  • During moderate activity: 100–160 BPM.
  • At times of rigorous exercise: 160-200 BPM

Assuming an average resting heart rate of 70 BPM, for one day alone, the heart will have beaten a little over 100,800 times. Multiply by 365 days, that's approximately 36.8 million beats every year. This is enough to go on and emphasize the very great endurance power this muscular structure possesses.

How Many Times Does the Heart Beat Over a Lifetime?

To calculate how many beats a heart generates over a lifetime, we need to consider life expectancy. In the U.S., the average lifespan is approximately 77.5 years, according to the CDC. Using a resting heart rate of 70 BPM:

  • Daily heartbeats: ~100,800.
  • Annual heartbeats: ~36.8 million.
  • Lifetime heartbeats: Around 2.85 billion beats.

If your resting heart rate is closer to 80 BPM, the number jumps incredibly to over 3 billion beats in 80 years. Athletes with lower resting heart rates, often 40 BPM, may not reach as many beats but keep excellent cardiovascular health.

Heart Rate Variations: From Birth to Old Age

Heart rate is not uniform over a lifetime. Consider these examples:

Newborns

Resting heart rates, on the other hand, run a range of 70–190 BPM, in greater demand for metabolic intake.

Adults

They decline to 60-100 BPM at rest.

Athletes

The individual, in top physical shape may have resting rates at such low levels as 40 BPM.

As we age, the heart slows down a little bit. Aging can bring such problems as fibrosis - growth of excess tissue-or arrhythmias like atrial fibrillation. Nevertheless, with proper care, the heart remains remarkably resilient and capable of adapting to changing needs in the body.

Does the Heart Have a "Lifetime Quota"?

Is there a maximum number of beats a heart can make before it "wears out"? The answer is not so simple. Genetic, health, and lifestyle factors play a huge role. Aging will certainly have an effect on the performance of the heart, but with the advances in medicine and good habits, it can significantly extend its functionality.

Stress, poor diet, and lack of exercise accelerate the "wear and tear" on the heart. Conversely, practices such as regular cardiovascular exercise, a balanced diet, managed stress, and not smoking can preserve heart health.

Listen to Your Heart

It is easy to check your heart rate. Simply put two fingers on your wrist or the side of your neck, where a large artery is close to the surface. Count the beats for 15 seconds and multiply by four to obtain the BPM. This is one simple test that could really open your eyes to what's going on with your heart.

Your heart is an amazing organ, beating billions of times in a lifetime without rest. On average, this muscular marvel pumps blood 115,200 times a day, delivering essential nutrients and oxygen to every corner of your body.

To maintain a healthy heart and bring out its full potential, treat it with care. Exercise regularly, eat a balanced diet, and manage stress effectively. In doing so, you can ensure that your heart, the ultimate symbol of vitality and endurance, keeps beating strong for decades to come.

What is a normal heart rate? Harvard Health. 2023.

Pulse. UCFB.

Life Expectancy at Birth, by Sex. 2024. CDC

End of Article
World Malaria Day: What Makes Malaria Different From Other Mosquito-borne Diseases?

Credits: Canva

Updated Apr 25, 2025 | 02:04 PM IST

World Malaria Day: What Makes Malaria Different From Other Mosquito-borne Diseases?

SummaryOn World Malaria Day, we explore how malaria differs from other mosquito-borne diseases—from the mosquito species involved to symptoms, misdiagnosis, and even surprising historical and cultural links.

On the day of World Malaria Day, as we raise awareness on the dangers posed by this mosquito-borne disease, let's delve a bit deeper into how malaria is different from the other mosquito-borne diseases.

Dengue vs Malaria

Both malaria and dengue are transmitted by female mosquitoes and cause severe illness in humans. There are certain similarities between the two diseases and the mosquito species, which is why the patients and diagnoses are often confused.

As per the co-Principal Investigator, Dr Charles Guissou, for the Target Malaria, a vector control research alliance's Target Malaria Burkina Faso at the Institut de Recherche en Sciences de la Santé, "Dengue and malaria are two very different diseases caused by different pathogens and different mosquito species." “Misdiagnosis between malaria and dengue is common, and this can then contribute to inappropriate medical care.”

Every year, malaria causes 200 million cases worldwide, leading to 600,000 deaths. Many of these cases are from Africa, where children and pregnant women pay the highest price. The World Health Organization (WHO) has also reported that in 2022, Africa was home to 95% of malaria cases and 95% of malaria deaths. The global incidence of dengue has grown significantly in recent decades. Cases reported to WHO increased from 505,430 in 2000 to 6.5 million in 2023.

Difference between Dengue and Malaria

Dr Ajay Gupta, Head & Director - Internal Medicine, Max Super Speciality Hospital, Vaishali also points out the key differences between malaria and other mosquito-borne diseases. He says, "Malaria is caused by Plasmodium parasites, transmitted through the bite of infected Anopheles mosquitoes. In contrast, dengue, chikungunya, and Zika viruses are transmitted by Aedes mosquitoes. This distinction in the type of mosquito also reflects differences in peak biting times—Anopheles mosquitoes bite during nighttime, while Aedes mosquitoes are daytime biters."

"Another key difference lies in complications and disease progression. Malaria, especially caused by Plasmodium falciparum, can progress rapidly to severe illness with cerebral involvement, anemia, kidney failure, and even death if not promptly treated. Dengue, on the other hand, is known for a sudden drop in platelet count and risk of hemorrhage. Chikungunya commonly leads to prolonged joint pain, sometimes lasting weeks or even months after the infection clears," notes the doctor.

There is also a difference between how the mosquitoes that spread dengue and malaria.

What makes malaria different from other mosquito-borne diseases is the species that causes it

The Aedes Mosquito

It is responsible for spreading dengue and has white stripes down the center of the thorax. It also has a resting position where its body is kept low and parallel to the ground, with the proboscis angled downward. It is slender, and the wings have distinctive white markings.

The Anopheles Mosquito

It is responsible for causing malaria and has long palps. It is dark in color and the resting position follows it abdomen at a 45-degree angle to the surface.

Zika Virus

Zika is a viral infection also transmitted by Aedes mosquitoes, which is the first difference from malaria, in the species of mosquito that causes it. As per the WHO, those with Zika virus do not tend to experience symptoms, and if they do, it includes rash, fever, conjunctivitis, and muscle and joint pain. The symptoms are also what makes it different. They appear from 3 to 14 days after being bitten.

Chikungunya

This is also caused by Aedes mosquitoes, and the symptoms usually appear within 4 to 8 days after infection. The symptoms include fever, joint pain, headaches, and nausea.

Yellow Fever

This is caused by Aedes and haemagogus mosquitoes. People who are infected with this virus do not get sick and experience only mild symptoms. As per the Centers for Disease Control and Prevention (CDC), 12% of people who have symptoms develop serious illness, which includes organ failure and jaundice.

The key difference between all other mosquito-borne diseases and malaria is the species of the mosquito that causes it. While all the others are caused by Aedes, malaria is caused by the Anopheles.

What Else Makes Malaria Different Other Than The Type Of Mosquito That Causes It?

Drinking Beer Could Increase Chances Of Infection

According to the scientists at the University of Emory, in their 2010 study, they found that beer produces an odour in your body that is irresistible to the malaria-carrying mosquitoes.

It Could Take Four Years To Develop Symptoms

There are rare strains of this disease which could in fact take months or even years to get diagnosed. In one of the rare cases, malaria was diagnosed four years later the individuals were infected, reported UK's The Telegraph.

Malaria And Its Connection With Snow White

In 1943, Disney was tasked with creating a film to promote public health awareness. The result? The Winged Scourge — a rather unusual PSA where the Seven Dwarfs learn how to fight off malaria-spreading mosquitoes.

Malaria Has Killed Four Popes, And At Least Eight Presidents Have Suffered From It

George Washington battled malaria, and the disease is also believed to have claimed the lives of Pope Leo and Pope Sixtus—just a few of its prominent victims.

Malaria And India

The doctor also points out that diagnosis and treatment also vary. "Malaria is typically confirmed with a blood smear or rapid diagnostic test and is treated with specific antimalarial drugs. There is no antiviral treatment for dengue, chikungunya, or Zika—management is primarily supportive," he says.

In India, we often see a spike in these illnesses during and after the monsoon season, However, malaria control efforts—such as early diagnosis, insecticide-treated bed nets, and vector control—have significantly reduced the burden in recent years.

"Preventive strategies like eliminating stagnant water, using mosquito repellents, and ensuring proper sanitation are universally effective. But recognizing the distinct nature of malaria is key to prompt diagnosis and management," notes Dr Gupta.

End of Article

(Credit-Canva)

Updated Apr 25, 2025 | 11:11 AM IST

Your Heart Health Could Be At Stake Due To The Neighborhood You Live In

SummaryWhile factors that affect one’s heart health are well known, things like eating habits and lifestyle factors, a new study showed that the neighborhood you live in could also affect your heart health.

In 2022, about 1 in 5, which is around 702,880, people died due to cardiovascular diseases (CVD) in the United States. There are many factors around you that affect your heart health. Things like what food you eat, whether the area you live in is polluted or not and also what kind of lifestyle you lead. There are many risk factors for heart diseases like high blood pressure, high cholesterol levels or smoking, which are key risk factors according to the Centers of Disease Control and Prevention (CDC). The CDC explains about 47% of US citizens have at least one of these three risk factors.

Another risk factor could be the place you live in. A new study published in the European Society of Cardiology April 2025 revealed that the walkability of a neighborhood can play a big role for your cardiovascular health. The study revealed that individuals living in areas with low walkability had a 5% higher risk of developing CVD compared to those in very walkable neighborhoods. Interestingly, even in neighborhoods that improved in walkability over time, the risk of CVD remained about 5% higher for those who started in low-walkability areas, possibly due to the lasting effects of earlier sedentary habits.

What Makes A Neighborhood Walk-Friendly?

To figure out how walkable a neighborhood is, the researchers in the study looked at several things. They checked how many people lived in the area (population density), how many shops were nearby, if there were parks and green spaces, and if there were sidewalks to walk on. They also considered if different types of buildings were mixed together (like shops and homes), if there was good public transportation, and how well the streets connected to each other. All these things together helped them decide how easy it was to walk around in a certain neighborhood.

Researchers studied over three million adults who were at least 40 years old and didn't have any heart problems when the study started. The researchers kept track of how walkable each person's neighborhood was for 13 years. They also checked if the walkability of these neighborhoods stayed the same, got better, or got worse during that time.

The findings of this study support what doctors have known for a long time: moving your body is good for your health, especially your heart. What's interesting is that you don't need to do intense workouts to see the benefits. Even small amounts of activity, like walking your dog in a park or carrying your groceries home from the store, can make a difference. These little bursts of energy throughout the day can add up and help lower your risk of getting heart disease.

Should People Opt For More Walkable Places?

A report from 2023 from Smart Growth America found that less than 7% of people in America actually live in very walkable urban neighborhoods. Interestingly, studies have shown that minority groups often live in more walkable neighborhoods. However, these same groups are also more likely to suffer from heart and blood sugar problems. This might be because even in walkable areas, factors like safety, clean environments, and good sidewalks and parks might not be available in all neighborhoods.

Even if you don't live in a very walkable area, there are still things you can do to move more. You might need to get a little creative! You can try lifting weights or doing yoga while you watch TV. If you drive to the store, park a little further away so you have to walk more. Take the stairs instead of the elevator. Stand up and move around when you're on the phone, have walking meetings if possible, and make sure to get up and stretch every hour.

End of Article
RFK Jr. Opens Up About Heroin Addiction and Calls for Focus on Prevention

Credits: Instagram

Updated Apr 25, 2025 | 08:00 AM IST

RFK Jr. Opens Up About Heroin Addiction and Calls for Focus on Prevention

SummaryRFK Jr. shared his heroin addiction and recovery journey, urging focus on prevention, purpose, and community to combat drug abuse, with faith playing a key role.

During a recent conference on drug addiction, the US Health Secretary Robert F Kennedy Jr. shared a personal story about his own battle with drug addiction and his journey to recovery. He also emphasized on the importance of helping young people find meaning in life. His speech at the Rx and Illicit Drug Summit in Nashville, Tennessee, emphasized the need for prevention, community, and spiritual support in addressing substance abuse.

RFK Jr.'s Struggle With Addiction

Kennedy revealed that he was addicted to heroin for 14 years. It started during his teenage years. During that time, he constantly promised to quit to himself and his family, but he felt powerless to follow through.

“I didn’t want to be someone who woke up every morning thinking about drugs,” he said, describing the feeling of being unable to “keep contracts” with himself. He shared that he felt like he was born with a hole inside him—something many addicts feel—that he tried to fill with drugs.

He also called addiction "a source of misery, but also a symptom of misery". He stressed that threats of overdose or ruined lives often have little impact on those who are already suffering. “Every addict feels that way in one way or another... and the only thing that works are drugs,” he said.

His message to the 3,000 attendees focused on how deeper issues like hopelessness and disconnection from community contribute to addiction.

Finding A Way Out Through Faith

RFK Jr. went on to describe his recovery journey that started after he read a book by Swiss psychiatrist Carl Jung, who suggested that people who believe in God tend to recover more effectively. This inspired him and rekindled his faith in God. He began to attend the 12-step meetings. God was mentioned in his speech over 20 times, and it was noted that spirituality played a big role in his healing.

RFK Jr. also acknowledged criticism from public health experts and was interrupted several times by hecklers. Without directly engaging them, he said he tries to learn from everyone—“even the people who give me the finger.”

Prevention Through Purpose

While RFK Jr. did praise tools like Suboxone, methadone, and access to rehab, his main focus remained on prevention. “We have this whole generation of kids who’ve lost hope in their future,” he said. According to him, restoring connections to family, community, and purpose is crucial.

He encouraged policy changes that would promote stronger family bonds—such as phone-free meals—and more opportunities for young people to engage in service. “The best way to overcome hopelessness,” he said, “is to wake up each day and pray, ‘Please make me useful to another human being today.’”

While Kennedy’s speech resonated with many, others pushed back on his approach. Researcher Caleb Banta-Green, who was removed after shouting, later said that while spirituality can be helpful, science-based interventions must be prioritized and properly funded.

While Kennedy’s speech resonated with many, others pushed back on his approach. Researcher Caleb Banta-Green, who was removed after shouting, later said that while spirituality can be helpful, science-based interventions must be prioritized and properly funded.

End of Article