Mysterious Fog in the US , Canada and UK: A dense, eerie fog with a "burning chemical-like smell" has spooked a good part of North America and parts of the United Kingdom and Canada. With social media amplifying all concerns, this phenomenon has sparked attention across all social media platforms. However, at the heart of this mysterious fog are a conjunction of natural events, social psychology, and environmental conditions that culminated in all the conspiracy theories and public health fears. Here's a closer look at the mysterious fog, its potential causes, and the societal response it has triggered.

Fog that Feeds Fear

The first reports of this "mysterious fog" came in from Florida where a resident said that they experienced respiratory symptoms, feverish warmth, and stomach cramps after contact with the fog. Similar stories started flooding social media, and within a day or two, a sinister force seemed to sweep across the United States, Canada, and parts of the UK. From Texas to Minnesota, people reported weird odors and health issues that they thought were linked to this bizarre atmospheric event.

Some witnesses were said to see "white particles" swirling through the air; theories ranged from a chemical attack or experimental weapon to drone-related chemical dispersals and references to historical military experiments, such as the infamous 1950s "Operation Sea-Spray."

Fuel to the fire were added when videos and posts, hundreds of thousands in number, began circulating on social media sites like TikTok and X (formerly Twitter) speculating on the origin of the fog. Hashtags like #ToxicFog went trending for days. Hysteria created a self-reinforcing loop in which every post spurred further scrutiny and fear.

Scientific Explanation of the Dense Mysterious Fog

1. What is Fog?

Fog is essentially a low-lying cloud formed when the air temperature cools to its dew point, causing water vapor to condense into tiny droplets or ice crystals. Several types of fog—advection fog, radiation fog, and valley fog—can form depending on conditions such as warm, moist air moving over cooler land or when temperatures plummet rapidly under clear skies.

2. Why the Chemical Smell?

Such chemical-like smell as reported during the occurrence of fog events is sometimes attributed to air pollution. It acts like a sponge, where it absorbs these pollutants, which include sulfur dioxide and nitrogen oxides, among others, that emit from industries. This mixture, therefore, leads to a stench that could be mistaken as unnatural or even toxic.

Also Read: Health Concerns Rise As US, Canada, and UK Come Under The Blanket Of Thick, Dense, Toxic Fog

3. What are the Health Concerns?

High moisture levels from fog can significantly exacerbate symptoms related to respiration, but especially in already predisposed asthmatics and allergy patients. The connection of these symptoms with actual fever, stomach cramps, and puffy eyes is too remote. Experts assume that the irritating effects of entrapped pollutants trapped in fog tend to affect more the eyes and throat rather than the rest of the body affected by some report.

Psychological Effects of Mass Panic Caused by Social Media

Social media amplified a natural weather event into a health epidemic. It made the personal experience of individuals become a cause for fear and speculation, a domino effect.

According to psychologists, this is a concept of selective perception, wherein once people's attention is drawn to environmental anomalies, they begin to notice them. This mirrors earlier panics, such as the Seattle windshield pitting panic of 1954. Then, atomic bomb testing caused fear in many and started to have people looking at their windshields for small marks that they had not seen before. Likewise, postings on the strangeness of the fog probably increased public awareness and suspicion, with people looking to attach unrelated symptoms to the phenomenon.

The fog hysteria shares a commonality with other instances of mass panic, such as the "drone sightings" of recent years or the Cold War-era fears of biological warfare.

Also Read: Mysterious Fog Is Making Americans Sick

These events underscore how fear can cloud judgment, especially when amplified by social media and sensationalist headlines. While historical cases, such as "Operation Sea-Spray," offer concrete evidence of the existence of unethical experiments, the jump from a natural weather condition to theories of chemical attacks exemplifies a more modern trend of connecting unrelated dots, all wonderfully seeded in distrust and anxiety.

Despite the swirling rumors, meteorologists and scientists are in agreement that the mysterious fog is not as alarming as it seems. It is well known that fog traps and amplifies pollutants, especially in urban and industrial regions. Moreover, winter months are the most conducive for fog formation, so its recent prevalence is unsurprising.

On the other hand, environmentalists advise that the fog should wake everyone up to increased levels of pollution. The reported odors and health irritations could be just symptoms of far deeper systemic issues like industrial emissions and lack of control over air quality.

The authorities must be transparent in their communication to combat misinformation and allay public fears. Governments and environmental agencies must provide timely updates on weather phenomena, air quality, and health risks. Initiatives like real-time pollutant tracking and public education campaigns can help demystify natural occurrences while addressing valid environmental concerns.

The mysterious Canada fog is a compelling case study in how environmental events intersect with psychology and societal dynamics. While rooted in natural phenomena, the fog became a vessel for collective fears, amplified by modern technology and historical anxieties.

In this information era where communication occurs at an almost lightning pace, the fog becomes a metaphor that reminds everyone about scientific literacy, environmental responsibility, and an effective balance when considering public concern. Whether perceived as a marvel of nature or as a tale that serves to teach, it left a very powerful mark in people's minds.

BBC presenter Lauren Laverne has revealed that she has been diagnosed with smoldering myeloma — a blood and bone marrow disorder that currently has no cure.

The chronic condition was discovered by her doctor nearly two years after Laverne recovered from cancer in August 2024. Laverne has not publicly disclosed the exact type of cancer she was treated for.

Lauren Laverne Reveals 'Chronic Condition'

Taking to Instagram, the 48-year-old TV presenter shared her health update, telling followers that she has been diagnosed with a "chronic condition."

"I’ve been diagnosed with something called smoldering myeloma (yes, that is a weird name and no, I’d never heard of it either)," she wrote. "It’s an asymptomatic blood and bone marrow disorder that in some people can develop into blood cancer."

Stating that her risk "is pretty low," Laverne explained that she does not need treatment at the moment. However, she noted that there is currently no cure and that her immune system is "a bit compromised."

She also clarified that the diagnosis "has nothing to do with my previous illness or my recent surgery, it’s just one of those things."

Also read: Cancer Kills Over 26,000 Daily; Cases to Hit 35 Million by 2050, Says WHO Report

Regular Monitoring Ahead

Because of the diagnosis, Laverne said she will be closely monitored with blood tests, MRIs, and bone marrow biopsies, which she joked she has "recently discovered are even less fun than they sound."

She revealed that the condition was identified after her GP noticed she had "persistently low iron levels."

"I've had some difficult experiences in the last eight years, but I have learned more from them than some people do in a lifetime and that is helping me right now. I am so grateful for that," she said.

Laverne also thanked her family, friends, doctors, consultants, nurses, and her team at BBC Radio 6 Music. Many of her fellow TV and radio personalities shared messages of support following her announcement.

What Is Smoldering Myeloma?

According to Blood Cancer UK, "Smoldering myeloma is the name given to myeloma that has no symptoms or signs of damage to your organs."

Myeloma is a type of blood cancer that affects plasma cells in the bone marrow. Smoldering myeloma is an inactive, early form of the disease that does not cause symptoms or organ damage.

The charity says that people with smoldering myeloma usually do not need treatment right away. Instead, they undergo regular checkups so doctors can monitor whether the condition is progressing to active myeloma.

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According to the International Myeloma Foundation, smoldering multiple myeloma (SMM) is an asymptomatic precursor stage of multiple myeloma (MM). While both conditions involve abnormal plasma cells, people with SMM have no symptoms or end-organ damage and are typically monitored rather than treated.

The disease generally progresses through precursor stages:

• Monoclonal gammopathy of undetermined significance (MGUS): The earliest stage before symptoms develop. MGUS is a benign precursor, and many people with MGUS never develop active myeloma.
• Smoldering multiple myeloma (SMM): In some people, MGUS progresses to SMM, which remains asymptomatic. Over time, SMM can progress to active multiple myeloma, although the rate of progression varies from person to person.

How Is Smoldering Myeloma Managed?

People with smoldering myeloma are generally managed through active surveillance, with regular blood tests, imaging scans, and other monitoring to detect any signs that the disease is becoming active. Active monitoring is considered a safe approach for most patients.

Doctors may recommend treatment in certain situations, including:

• If tests show a very high risk of progression to active myeloma.
• If there are no symptoms but evidence, or a high risk, of damage to organs such as the bones or kidneys.
• As part of a clinical trial.

Healthcare in India is no longer a privilege but is steadily becoming a right, said Prime Minister Narendra Modi today while highlighting the government's efforts to expand affordable medical care, strengthen health infrastructure and improve access to treatment across the country.

Speaking at the foundation stone laying ceremony and launching development projects worth over ₹4,700 crore in Chandigarh, spanning healthcare, education and road infrastructure, PM Modi stated that India's healthcare journey has undergone a transformational change over the past 12 years.

The Prime Minister said lower and middle-income families have benefited the most from the country's healthcare transformation.

"Health services in India are no longer a privilege; they are becoming an absolute right," PM Modi said.

PGIMER Expansion To Boost Healthcare Access

Also read: Fourth COVID Death Reported in Andhra Pradesh: Experts Recommend Boosters For High-Risk Groups

In Chandigarh, the Prime Minister announced the expansion of healthcare facilities at the Postgraduate Institute of Medical Education and Research (PGIMER), including a new Neuroscience Centre, a Mother and Child Centre, and a Critical Care Hospital Block, saying the projects will provide better treatment facilities to millions of people.

He also announced the approval of a new MBBS college at PGIMER, saying the expansion of medical colleges and postgraduate seats will help address the shortage of doctors while creating more opportunities for aspiring medical students.

Healthcare Infrastructure Expanded Over The Past Decade

Highlighting the government's investments in healthcare, Modi said India has approved 15 new AIIMS since 2014, established hundreds of new medical colleges and expanded specialty hospitals across the country.

"Since 2014, fifteen new AIIMS have been approved, hundreds of new medical colleges have been established across the country, and specialized hospitals for the treatment of serious diseases such as cancer have been strengthened."

He added that strengthening primary healthcare remains a key priority under the Ayushman Bharat Health Infrastructure Mission.

The Prime Minister said that under the mission, critical care blocks, integrated public health laboratories and public health units have been established across the country. He added that over 1.75 lakh Ayushman Arogya Mandirs are now operational across rural, urban and tribal areas, providing comprehensive primary healthcare services, including twelve healthcare service packages.

He noted that crores of citizens have been screened for hypertension, diabetes and other non-communicable diseases through these centers.

Digital Health and Maternal Care Improvements

Read More: Novo Nordisk's GLP-1 Drug Wegovy Approved for Fatty Liver Disease in India

The Prime Minister highlighted the growing role of digital healthcare, noting that the e-Sanjeevani telemedicine platform has facilitated more than 48 crore consultations, enabling patients in remote areas to access specialist care without travelling long distances.

PM Modi said the healthcare improvements have contributed to better maternal and child health outcomes, with more than 90% of deliveries now taking place in healthcare institutions. He added that maternal mortality has declined by 86%, while infant mortality has also fallen significantly.

The Prime Minister also underlined the government's emphasis on preventive healthcare through initiatives such as the Poshan Abhiyan, Mission Indradhanush, yoga promotion, HPV vaccination and the U-WIN platform.

Focus On Tuberculosis Control

PM Modi reaffirmed the Government's commitment to eliminating tuberculosis, stating that the TB Mukt Bharat Abhiyan has strengthened awareness, screening and treatment.

He noted that TB treatment coverage in the country has now crossed 90% and, citing a recent World Health Organization (WHO) report, said India has recorded a 21% decline in tuberculosis cases over the past decade.

India Emerging As A Global Healthcare Destination

Recalling India's response during the COVID-19 pandemic, Modi said the country has evolved from a nation once perceived as dependent on external assistance to a global destination for advanced medical treatment.

He attributed the transformation to sustained investments in healthcare infrastructure and policies aimed at making quality treatment affordable and accessible.

Modi said "India must continue investing in modern healthcare infrastructure and emerging technologies as part of its vision of becoming a developed nation".

India's southern state of Andhra Pradesh has reported four COVID-19 deaths amid a rise in infections, prompting experts to reiterate the importance of booster vaccination for older adults and people at high risk of severe disease.

While sporadic COVID-19 cases have continued to be reported across the country, fatalities have remained relatively uncommon. Health experts say the current situation does not resemble previous pandemic waves, but immunity from earlier vaccinations has waned, making booster doses important for vulnerable groups.

Andhra Pradesh Reports Four COVID Deaths

In an official statement, Andhra Pradesh Health Commissioner G. Veerapandian said that 12 people tested positive for COVID-19 across the state between June 26 and July 16. Of these, four patients with multiple comorbidities died.

The deceased had underlying conditions including hypertension, diabetes, kidney disease, and other serious illnesses.

Although cases have increased in a few states and cities, hospitals are not experiencing the overwhelming admissions, oxygen shortages, or healthcare burden seen during earlier waves.

Also read: Omicron Sub-Lineages Likely Behind COVID Surge In India: Why Deaths Are Occurring

Who Is Most at Risk?

Experts say that while most current infections are mild, severe illness remains more likely in:

• Older adults

• Pregnant women

• People with diabetes

• Individuals with heart disease

• Those with chronic lung or kidney disease

• Cancer patients

• People with weakened immune systems

Experts Advise Boosters For Vulnerable Groups

Read More: COVID Spikes In India: Experts Allay Fears, Stress Vaccination And Masks

Speaking to HealthandMe, Dr. Atul Kakar, Chairperson, Internal Medicine, Sir Ganga Ram Hospital, said booster doses remain advisable for people at highest risk.

"COVID vaccines are now again recommended, especially for the elderly population, particularly those of advanced age or who are immunocompromised. It is a voluntary vaccine that is indicated because immunity from earlier vaccinations has declined."

Dr. Manjeeta Nath Das, Associate Director, Internal Medicine, PB Health, said COVID-19 cases are rising in small pockets, particularly in South India, while immunity from previous vaccination has gradually waned.

"COVID is rising in India, especially in small pockets in South India. So we should all get re-vaccinated. It has been several years since the pandemic, and immunity from previous vaccinations has waned," Das told HealthandMe.

She recommended booster doses for:

• Adults aged 65 years and above

• Immunocompromised children older than six months

• People with diabetes, hypertension, or asthma

• Patients undergoing chemotherapy

• Individuals taking steroids or other immunosuppressive medicines

• Adults with immunocompromising conditions

• Caregivers and healthcare workers caring for vulnerable patients

She also said eligible people may consider an annual COVID-19 booster as immunity declines over time.

Dr. Kakar added that people with weakened immunity, immunodeficiency, advanced age, and pregnant women are among those who would benefit most from a booster.

Heterologous Boosters May Be An Option

Dr. Neha Rastogi, Senior Consultant, Infectious Diseases, Fortis Memorial Research Institute, Gurugram, said booster vaccination should focus on those at the highest risk rather than the general population.

"The focus has shifted from broad herd immunity to priority boosters for the elderly and high-risk groups such as cancer patients, people on dialysis, those with uncontrolled diabetes, patients on steroids, and immunosuppressed individuals."

She told HealthandMe that people who have previously been vaccinated may also consider a heterologous booster—receiving a different COVID-19 vaccine from the one used for their earlier doses—where appropriate and based on medical advice.