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.

The Keralam government has introduced the Keralam Senior Citizens (Care and Protection of Rights) Bill, 2026, to regulate elderly-care facilities and services. It proposes mandatory registration of care centers and caregivers, prescribed standards, caregiver certification, and penalties for violations.

Referred to the Assembly’s subject committee, the Bill would establish a legal framework for elderly care if passed.

Keralam introduced its first elderly-care policy in 2006, updated it in 2013, and released a draft State Policy for Elder Persons in August 2025. The state also enacted the Kerala State Senior Citizens Commission Act, 2025, and has a dedicated department for senior citizens’ welfare.

Why Does Keralam Need The Bill?

Also read: Healthy Lifestyle Changes Improve Memory, Thinking In Older Adults At Dementia Risk: The Lancet

Chief Minister V. D. Satheesan introduced the Bill, expressing confidence that it would make Kerala a model for elderly care.

“Nobody should feel that they are alone or abandoned. The way a society treats its elderly determines how civilized it is,” he said.

Keralam has one of India’s largest elderly populations, partly due to its high life expectancy. Older adults are projected to account for 22.8% of the state’s population over the next decade, up from 18.7%, highlighting the growing need for care services.

What Does The Bill Propose?

• Dignity and care: Promotes ageing in place, home-based care, safety, and social inclusion.
• Access and rights: Seeks better access to healthcare, legal aid, safe public spaces, digital inclusion, and abuse-reporting mechanisms.
• Protection units: Proposes state and district-level bodies to monitor care services and address complaints.
• Care-centre regulation: Requires registration of senior citizen care centres and sets service standards.
• Caregiver certification: Proposes training, phased certification, a Keralam Geriatric Care Certification Framework, and a state register of caregivers.
• Cybercrime safeguards: Proposes a Senior Citizen Cyber Fraud Cell at every cyber police station.
• Welfare funding: Calls for a state reserve fund for care, protection, welfare, and social security.
• Penalties: Provides for punishment for violations of the proposed law and related rules.

Why Elderly Care Needs A Broader Approach

Read More: Over 3°C Warming Can Put Over-60s at Risk of Months of ‘Intolerable’ Heat: Why It’s Dangerous

Speaking to HealthandMe, Dr. Rajeev Jayadevan, Ex-President of IMA Cochin and Convener of the Research Cell, Kerala, said the principles outlined in the Bill could eventually apply across India, particularly as Keralam has a higher proportion of older adults than many other states.

With shrinking nuclear families and urbanization, fewer family members may be available to provide full-time care, increasing reliance on state-supported services, including home care, medical consultations, and palliative care.

He emphasized that older adults have distinct care needs and highlighted patient autonomy in end-of-life decisions. Living wills allow people to document their medical-care preferences in advance, helping families and healthcare professionals understand their wishes and potentially avoid unwanted interventions.

Dr. Rajeev also stressed the need for trained, certified caregivers, effective oversight of care providers, and safeguards against elder abuse.

As older adults increasingly use digital platforms for services such as banking, digital literacy and protection against online scams and financial fraud are also essential, he noted.

What Are The Health Challenges Facing Older Adults?

READ: Normal Ageing or Alzheimer's? Doctors Explain Six Key Differences to Watch For

India’s senior citizen population is projected to reach around 230 million by 2036, or approximately 15% of the population. Southern states, along with Himachal Pradesh and Punjab, have larger elderly populations, with regional disparities expected to widen.

Moody’s Ratings said in September that India’s population is expected to age significantly as fertility falls below replacement levels.

Older adults often face chronic conditions such as diabetes, high blood pressure, and high cholesterol, alongside complications including diabetic kidney disease, diabetic retinopathy, cataracts, and glaucoma. These health needs underscore the importance of accessible, coordinated long-term care.

CVS Pharmacy and its subsidiaries have agreed to pay $315 million to settle a US Department of Justice lawsuit alleging that the pharmacy chain unlawfully dispensed opioid prescriptions that were not needed medically.

The settlement, announced on October 13, also requires the company to implement safeguards against inappropriate and unnecessary dispensing.

Filed in December 2024, the lawsuit alleged that CVS dispensed prescriptions that lacked a legitimate medical purpose, involved excessive quantities of opioids or were dispensed too early.

The government also alleged that the company filled prescriptions from so-called “pill mills”, suppliers who are accused of issuing large numbers of controlled-substance prescriptions without a legitimate medical purpose. CVS has strongly disputed the allegations and denies any wrongdoing as part of the settlement. The agreement resolves the civil claims without a determination of liability.

Unsafe Opioid Prescriptions Can Increase Addiction Risk

Also read: Why Is The US Fast Tracking Trials Of Ibogaine, A Schedule I Controlled Substance, Despite Safety Risks

Opioids are powerful medications used to treat moderate to severe pain. They include prescription drugs like oxycodone, hydrocodone and morphine.

When prescribed appropriately and taken under medical supervision, they can provide important relief. However, their effects on the brain'can also lead to dependence and addiction issues.

Dependence and addiction are related but different. Physical dependence occurs when the body adapts to a medication. If stopped abruptly, one may experience severe withdrawal symptoms.

Opioid use disorder, commonly referred to as opioid addiction, involves a destructive pattern that can include cravings, loss of control and continued use despite harmful consequences.

The risk increases when these opioids are prescribed or taken in excessive doses or combined with other similar medicines. Taking more than prescribed can also increase the risk of overdose, which can slow or stop breathing and may be fatal.

The Justice Department's lawsuit alleged that CVS dispensed prescriptions for dangerous combinations of medicines, including “trinity” prescriptions combining an opioid, a benzodiazepine and a muscle relaxant. Such combinations can lead to a compounded sedation effect and respiratory depression, increasing the risk of serious harm.

In these cases, addiction becomes more than just a habit. These substances alter brain chemistry, particularly in the areas related to reward, motivation, and self-control. Hence, recovery is not simply about choosing to quit.

Addiction hijacks the brain’s prefrontal cortex—the area responsible for decision-making, self-control, and judgment. As a result, people suffering from addiction are often unable to regulate their behavior, even when they want to.

The brain’s reward system reinforces substance use by releasing dopamine, the chemical associated with pleasure and reward. Over time, the brain becomes dependent on this chemical surge, leading to tolerance (needing more of the substance to feel the same effect) and withdrawal symptoms when the substance is not available.

Also read: ‘Zombie’ Drug Medetomidine, Spotted In Heroin Supply, Raises Concern As It Could Evade Overdose Antidote

What Did The Lawsuit Allege?

According to the Justice Department, the alleged dispensing practices occurred between October 2013 and December 2025. The government claimed that staffing shortages, performance targets and incentive policies contributed to pharmacists filling prescriptions without adequately checking whether they were legitimate.

Many of the prescriptions were allegedly billed to federal healthcare programmes, including Medicare and Medicaid, prompting claims under the federal False Claims Act as well as the Controlled Substances Act.

“Today's settlement is a significant milestone in the Justice Department's efforts to combat the opioid epidemic by cracking down on pharmacies who unlawfully fulfill prescriptions for controlled substances,” Associate Attorney General Stanley Woodward said in a statement.

CVS said its pharmacists were trained “in the safe and appropriate use of all medications” and that the company had introduced programmes to help them make appropriate decisions for patients.

Days after announcing that Pope Leo XIV will have surgery to have a lung nodule removed, he got a confirmed diagnosis of lung cancer. According to reports, he underwent surgery to have the lower lobe of his right lung removed.

The update comes as the 71-year-old pontiff's older brother, Louis Prevost, is undergoing treatment for relapsed multiple myeloma. The developments have brought attention to two different cancers affecting the papal family.

Pope Leo XIV's Lung Cancer Diagnosis

The pope underwent the procedure at Rome's Gemelli Hospital on October 13. According to the Vatican, tests confirmed lung adenocarcinoma, a type of cancer that develops in the cells lining the lungs.

The Vatican said in a medical bulletin, "The surgery was successful, and there were no complications."

The operation lasted approximately 90 minutes, and the pope subsequently returned to his hospital room. Pope Leo had announced on October 11 that doctors had discovered a lung nodule during routine medical examinations. He said the abnormality was detected early and that doctors recommended surgery to remove it.

"Dear friends, during some recent medical examinations, the doctors found a small, localized nodule in my lung. It was detected at a very early stage and is well-localized," he said.

He added, “The doctors believe it is advisable to intervene, so, following their advice, I have decided to undergo surgery to remove it. The operation is already scheduled for the next few days.”

The Vatican has not yet disclosed Pope Leo's cancer's stage or whether it has metastatised to other parts of the body. Further testing, including examination of the lymph nodes, will help doctors determine the extent of the disease and whether additional treatment is necessary.

Also read: Pope Leo XIV Will Undergo Lung Nodule Surgery: When Does Removal Become Necessary

What Is Lung Adenocarcinoma?

Lung adenocarcinoma is the most common type of lung cancer. It develops in glandular cells that produce substances like mucus. It is classified as a non-small cell lung cancer.

Although it is frequently linked with smoking, it can also occur in people who have never smoked. Other risk factors include exposure to radon, second-hand smoke and certain workplace carcinogens.

Symptoms may include a persistent cough, coughing up blood, chest pain, breathlessness and unexplained weight loss. Early-stage disease may cause no noticeable symptoms but it can be detected through imaging and scans.

Treatment largely depends on the cancer's stage, location and characteristics of the tumour. Surgery to remove the affected portion of the lung is a common treatment strategy when the tumour is localised. Chemotherapy, immunotherapy or targeted therapies may be considered depending on further findings.

In Pope Leo's case, the lower lobe of his right lung was removed. The results of further tests will help establish whether surgery alone is sufficient.

Also read: How Does Second-hand Smoke Exposure Increase The Risk Of Lung Cancer In People Who Have Never Smoked Themselves?

Pope's Brother Louis Prevost's Multiple Myeloma Relapsed

Meanwhile, the pope's older brother, Louis Prevost, is receiving treatment for multiple myeloma, a blood cancer that affects plasma cells in the bone marrow. His wife, Deborah Prevost, told CBS News that he was first diagnosed in 2017.

Treatment in 2019, which included stem cell treatment and participation in a clinical trial, helped keep the disease at a "very low level".

However, she said he "fell out of remission" approximately three months ago. He is now participating in another clinical trial at a local hospital in Florida.

Multiple myeloma develops when abnormal plasma cells multiply in the bone marrow, interfering with normal blood cell production and damaging bones and kidneys.

Symptoms can include bone pain, fatigue, frequent infections, anaemia and kidney problems.

Unlike lung adenocarcinoma, which forms a solid tumour in lung tissue, multiple myeloma is a cancer of plasma cells. It is generally considered treatable but not usually curable, and the disease can return after periods of remission.

Speaking about the family's situation, Deborah said, "We keep praying, keeping spirits up for both of them."