Happiness is influenced by a complex interplay of various chemicals in our brain, particularly four key neurotransmitters, D.O.S.E or Dopamine, Oxytocin, Serotonin, and Endorphins. These chemicals, often referred to as "happiness chemicals," are responsible for creating feelings of joy, motivation, connection, and calm.

However, when there's a deficiency in any of these, it can significantly affect our mood, energy, and overall well-being. Let’s dive into what these four neurotransmitters are, how their deficiency impacts us, and how we can boost their levels naturally.

Dopamine: The Motivation and Reward Chemical

Dopamine is often called the "motivation molecule." It plays a major role in enabling motivation, learning, and the pleasure-reward system in the brain. When we accomplish something — whether it’s finishing a project, completing a workout, or achieving a goal — dopamine gives us that sense of satisfaction and determination to continue.

Deficiency Effects:

When dopamine levels are low, it can lead to procrastination, low self-esteem, lack of focus, and general fatigue. A person might feel anxious, hopeless, or experience mood swings because the brain isn’t getting the reward signals it needs.

Boosting Dopamine:

You can increase dopamine levels by setting and achieving small goals, exercising regularly, eating foods rich in L-Tyrosine (such as almonds, avocados, and eggs), and practicing mindfulness or meditation. Engaging in creative activities like writing or drawing also helps boost dopamine levels.

Oxytocin: The Bonding Chemical

Oxytocin is often referred to as the "love hormone" or "cuddle hormone" because it plays a major role in social bonding and trust. It’s released when we hug, touch, or engage in other forms of physical affection. Oxytocin fosters feelings of connection and emotional intimacy, making it essential for relationships, family bonding, and even team cooperation.

Deficiency Effects:

A lack of oxytocin can lead to feelings of loneliness, stress, anxiety, and difficulties in forming or maintaining relationships. Low oxytocin levels are associated with feelings of isolation and disconnection from others.

Boosting Oxytocin:

You can raise your oxytocin levels through physical touch, socialising, spending quality time with loved ones, and even engaging in activities like massage or listening to soothing music. Acts of kindness, such as helping others or volunteering, also help release oxytocin.

Serotonin: The Mood Stabiliser

Serotonin is responsible for feelings of well-being and contentment. It helps regulate mood, sleep, digestion, and even social behavior. People who have balanced serotonin levels often feel calm, confident, and emotionally stable. Serotonin is crucial in helping people feel valued and significant among their peers.

Deficiency Effects:

Low serotonin levels are linked to depression, low self-esteem, irritability, and mood swings. Individuals may feel overly sensitive to criticism, experience panic attacks, or struggle with social phobias when serotonin is deficient.

Boosting Serotonin:

You can boost serotonin by getting regular exercise, exposing yourself to sunlight, engaging in cold showers or massages, and practicing mindfulness. Simple activities like walking in nature, meditating, or doing yoga are also effective serotonin enhancers.

Endorphins: The Pain Reliever

Endorphins are the body’s natural painkillers. Released in response to stress, pain, or intense physical activity, they help alleviate discomfort and promote a sense of euphoria. Endorphins are what make you feel good after a workout or a hearty laugh, often referred to as the "runner's high."

Deficiency Effects:

Without enough endorphins, people may experience anxiety, depression, chronic pain, and insomnia. A deficiency in endorphins can make daily life feel overwhelming and physically draining.

Boosting Endorphins:

To boost endorphins, engage in laughter, exercise, and stretching activities. Eating spicy foods or dark chocolate can also stimulate endorphin production. Regular massage therapy and meditation are other ways to naturally elevate endorphin levels.

Higher temperatures in the US could increase heat-related heart disease by 200 per cent by 2050, according to an alarming study.

The research, published in JAMA Cardiology, predicts rising temperatures driven by climate change will dramatically increase heat-related heart disease in the US.

It is already known that extreme heat is detrimental to heart health and can potentially trigger heart attacks and other cardiovascular events.

"But this study is the first to map out exactly how bad the problem could get—county by county, across the US. It also highlighted how states with lower median household incomes are likely to face higher heat-related heart disease burden," said Gokul Parameswaran, research associate at the Case Western Reserve School of Medicine's Cardiovascular Research Institute and the study's lead author.

Regional Hot Spots

Researchers analyzed heart disease data in each county in the contiguous US from 2010 to 2016 to develop projections through 2050.

They found that the Pacific Northwest has the highest heat-related heart disease rate in the country. Southern states, however, are projected to see the steepest increases by 2050.

"Climate change is not just an environmental issue—it is a health equity crisis, and prioritizing vulnerable communities must be at the center of any heat mitigation strategy," said Salil Deo, associate professor in the Department of Surgery.

Also read: Global Temperatures Likely To Stay Near Record Levels For Next Five Years: WMO

The study also found that aging — independent of temperature increases — will contribute an additional 34 per cent increase in heat-related heart disease by 2050, simply because there will be more older adults by then.

Heat Events In The US

The study comes amidst more frequent heat events in the US, which is also lasting longer, and the temperatures during heat events are going up.

The past 10 years, from 2015 to 2024, were the hottest on record globally. But in cities across the United States, the average rate of extreme heat events increased from two per year in the 1960s to 10 per year between 2010 and 2020, according to Center for Climate and Energy Solutions (C2ES), a Washington-based NGO.

Also Read:‘Heat Dome’ Triggering Record-Breaking May Temperatures In France, UK, Spain

Additionally, as of 2024, the average length of heat-wave season in the US has increased by 46 days since the 1960s.

How Does Heat Raise Heart Risks?

According to the Centers for Disease Control and Prevention, when temperatures rise, the heart must work harder to keep the body cool, and the likelihood of developing sudden clots in the bloodstream increases.

Read More: Can Extreme Heat Trigger Heart Palpitations? Expert Explains Risks

This extra stress on the heart due to high heat may lead to heart attacks or sudden worsening of heart disease, especially in the elderly or those with prior heart conditions.

How To Tackle The Risk

• Expanding green spaces and tree cover in urban areas could help reduce temperature-related adverse effects.
• Expanding access to cooling centers and air-conditioning assistance programs for low-income communities can also help bridge the gap in underserved communities.

"Climate change is not a distant, abstract threat," said Sanjay Rajagopalan, director of the Cardiovascular Research Institute and chief of Cardiovascular Medicine at University Hospitals Harrington Heart & Vascular Institute.

"It is a present and growing danger to the hearts of every American, and it is coming for the most vulnerable among us first. The choices made today about greenhouse gas emissions, urban planning, and health care policy will determine whether tens of thousands of Americans live or die from heat-related heart disease by 2050," he added.

Diabetes is not only a disorder affecting blood sugar levels, but it also increases the risk of heart disease. People who have diabetes are more prone to get affected by heart attack, stroke, high blood pressure, and blockage of arteries than people without diabetes. Because of this strong link, diabetes care needs a focus on both blood sugar control and heart care.

One of the biggest improvements in diabetes care is the use of GLP-1 receptor agonist therapies. These medications not only help to control sugars but also reduce the risk of heart disease. When a person combines GLP-1 treatment along with a healthy lifestyle, they can improve their overall well-being and lead a good quality of life.

Understanding the Link Between Type 2 Diabetes and Heart Disease

Type 2 diabetes and heart disease are interlinked. Diabetes increases heart disease risk by 2 to 4 times. Over a period of time, when the sugars are chronically high, blood vessels and nerves that support the heart get damaged. Many individuals with diabetes also have additional risk factors, such as:

• Obesity
• High blood pressure
• High cholesterol
• Physical inactivity

These conditions can make a person vulnerable to a heart attack and stroke. Studies show that people with Type 2 diabetes are nearly twice as likely to develop heart disease compared to those without diabetes.

What Are GLP-1 Therapies?

GLP-1 receptor agonists are medications to control high blood sugar in people with type 2 diabetes. These therapies help by:

• Increasing insulin release when blood sugar rises
• Delaying stomach emptying
• Reducing appetite
• Decreasing glucagon production
• Improving weight loss

GLP-1 therapies help control blood sugar. Beyond this, these treatment regimens provide many more benefits. Research shows that these medications can reduce the risk of major cardiovascular events such as heart attack and stroke.

In addition, GLP-1 therapies help in weight reduction. Obesity is also linked to diabetes and heart disease. Hence, GLP-1 therapies help to reduce weight and the risk of developing heart diseases.

Importance of Lifestyle Changes

Medications are important in controlling blood sugars. However, the medication therapies need to be combined with a healthy lifestyle, which can remain the foundation of diabetes and heart disease care.

Healthy Nutrition

A balanced, healthy plate can improve blood sugar, cholesterol, and blood pressure levels. Individuals with diabetes are encouraged to include:

Whole grains

Vegetables and fruits

Lean proteins

Nuts and seeds

Healthy fats

By restricting sugars, processed and ultra-processed foods, extra salt, and unhealthy trans-fats, one can reduce weight and support heart health.

Regular Physical Activity

Regularized physical activity routines help improve insulin sensitivity and strengthen the heart. Activities like walking, cycling, swimming, yoga, and strength training can help reduce the risk of heart disease. Experts generally recommend at least 150 minutes of moderate exercise every week.

Weight Management

Even small amounts of weight loss can improve blood sugar control and reduce stress on the heart. The combination of GLP-1 therapies, healthy lifestyle, controlled eating, and regular exercise gives better long-term results.

Conclusion

Type 2 diabetes and heart disease are closely interlinked, making complete diabetes care essential. GLP-1 therapies are changing diabetes management by offering benefits beyond glycemic control, including heart protection and weight reduction.

However, tablets and medicines alone cannot do all the work. Healthy lifestyle changes, such as balanced nutrition, regular physical activity, and proper weight management, must contribute equally. GLP-1 therapies and lifestyle changes can significantly reduce heart-related risks and improve overall well-being in individuals with Type 2 diabetes.

Multiple Sclerosis (MS) is a chronic neurological condition in which the immune system attacks the central nervous system, leading to symptoms such as fatigue, chronic pain, bladder disturbances, gait imbalance, and blurry vision, among others. These symptoms fluctuate, progress over time, become life-limiting, and are not always outwardly visible.

Growing evidence shows that early diagnosis and timely initiation of high-efficacy therapies (HETs) can slow disease progression, reduce relapses, and preserve long-term neurological function. For many individuals living with MS, the struggle goes beyond simply managing their condition. It is also about whether the full impact of the disease is adequately recognized and understood by policymakers, healthcare systems, and the public at large.

Although MS is recognized as a disability under the Rights of Persons with Disabilities (RPwD) Act, 2016, people living with MS (PwMS) continue to face difficulties accessing disability-related support because their symptoms are not always consistent, visible, or measurable during assessment. This is particularly relevant in a condition like MS, where some of the most disabling symptoms remain invisible.

Living with an Unseen Disability

The effects of MS extend far beyond mobility issues alone. Fatigue, brain fog, memory problems, neuropathic pain, bladder dysfunction, visual disturbances, and emotional strain can significantly hinder a person's ability to work, engage socially, manage responsibilities, and fully participate in everyday activities.

One of the less understood aspects of MS is cognitive impairment, which affects a significant proportion of PwMS. MS causes inflammation in the brain and contributes to brain volume loss, thereby slowing processing speed, affecting concentration, impairing memory, and making planning or multitasking increasingly difficult. Even routine activities such as maintaining conversations, remembering instructions, or completing everyday tasks may become mentally exhausting.

Because many of these symptoms are episodic, variable, or invisible, PwMS may sometimes delay seeking specialist care, while the impact of the disease may also be underestimated by those around them. Yet, MS disease activity can continue even when symptoms appear intermittent or mild.

In MS, treatment decisions regarding the early initiation of the appropriate therapy (platform disease-modifying therapy versus high-efficacy therapy) can meaningfully influence long-term outcomes and quality of life.

Because slowing disease progression often requires highly potent intervention, evaluating a drug’s long-term safety profile becomes just as critical as its efficacy. Certain therapies may carry a risk of progressive multifocal leukoencephalopathy (PML)—a rare and potentially fatal viral brain infection that occurs under severe immunosuppression. Therefore, choosing a high-efficacy treatment with a favorable long-term safety profile is paramount.

When Clinical Reality and Functional Recognition Diverge

MS is inherently unpredictable. A person may appear physically stable during one evaluation but experience significant neurological difficulties during a relapse or disease flare-up.

In clinical practice, neurologists evaluate MS through disease progression, relapse patterns, imaging findings, and the EDSS scale (a standardized method used to quantify and measure the level of disability in PwMS).

Looking Ahead

Improving understanding of invisible symptoms in MS is important not only for social awareness but also for enabling patients to access timely care. Greater clarity, consistency, and sensitivity in approaches to chronic neurological conditions can help ensure that PwMS are better supported across healthcare, workplace, and social settings.

Earlier diagnosis, timely intervention, and stronger recognition of the day-to-day realities of living with MS can together help patients preserve dignity, maintain independence, and achieve better long-term outcomes.