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 Centre has tightened restrictions on certain cough and cold medicines for children below four years, citing potential health risks associated with a specific drug combination in children.

The Union Health Ministry has restricted the manufacture, sale and distribution of fixed-dose combinations (FDCs) containing chlorpheniramine maleate and phenylephrine hydrochloride for children under four.

Manufacturers have also been instructed to carry a clear warning stating that the medicine “shall not be used in children below four years of age.”

The decision follows recommendations from an expert committee and the Drugs Technical Advisory Board (DTAB), which reviewed the safety of the combination in young children.

Why These Medicines Have Been Restricted?

Chlorpheniramine is an antihistamine, while phenylephrine is a decongestant. The combination is used to relieve symptoms like blocked or runny nose, sneezing and watery eyes caused by colds, flu and allergies.

However, young children can respond differently to medicines than adults, and dosing errors or adverse effects can result in more serious effects in this age group.

The Health Ministry’s expert committee concluded that the combination could pose potential health risks in children below four, particularly when safer alternatives are available.

The latest directive therefore requires manufacturers to clearly communicate the age restriction rather than putting the onus on parents.

Also read: FSSAI Orders Halt Of Ghee Sales Amid Adulteration Crackdown: How To Spot Fake Ghee & Its Effects On Your Health

Cough And Cold Medicines Are Not Always Needed In Young Children

A common cold is usually caused by a virus, meaning antibiotics do not treat it. In many children, symptoms improve with supportive care such as adequate fluids, rest and measures recommended by a paediatrician.

Combination cough and cold products can contain several active ingredients, increasing the possibility of incorrect dosing and side effects if parents give more than one medicine containing the same ingredient.

This is particularly important for young children because their medication doses are generally calculated according to age and/or body weight.

Also read: Shigellosis Cases In Kerala Raise AMR Concern: All About Complications Due To Drug-Resistant Shigella

Restriction Comes Amid Wider Scrutiny Of Cough Medicines

The government has been tightening oversight of paediatric medicines following serious concerns surrounding cough syrups in India.

In June, the Centre removed cough syrups from an exemption that had allowed certain products to be sold through retail outlets in smaller villages without the same pharmacy restrictions.

What Parents Should Do?

Parents should avoid giving children under four any medicine containing this combination unless specifically advised by a qualified healthcare professional.

• Before giving a cough or cold medicine to a child, parents should:
• Check the active ingredients, not just the brand name.
• Follow the dose prescribed by a paediatrician.
• Avoid combining multiple cold medicines without medical advice.
• Use the measuring device supplied with liquid medicines rather than household spoons.
• Never give a medicine prescribed for another child.
• Seek medical attention if a child’s symptoms are severe, persistent or worsening.

The government has emphasised that safer alternatives are available, while the latest restriction is intended to reduce avoidable medication-related risks in young children.

‘Scromiting’ is back in the news as emergency department visits in the US involving cannabis hyperemesis syndrome (CHS) were 3.7 times as high, according to a CDC report.

CHS is associated with frequent cannabis use and is characterized by episodes of severe nausea, vomiting and abdominal pain. The term “scromiting” refers to a combination of screaming and vomiting that can occur during severe episodes.

The CDC’s Morbidity and Mortality Weekly Report (MMWR), which analyzed data from January 2023 through May 2026, found that the rate of emergency department visits involving CHS remained largely steady from January 2023 through September 2025.

CHS is likely under-recognized in both adolescents and adults. Clinicians may not routinely assess or document cannabis use, while CHS can also be misdiagnosed as other gastrointestinal conditions, including cyclic vomiting syndrome.

To improve clinical identification, a specific International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) discharge diagnosis code for CHS was introduced on October 1, 2025. The CDC report examined CHS-related emergency department visits before and after the code was introduced.

The change was immediate. From September 2025 to October 2025, CHS-involved emergency department visits jumped from 3.35 per 10,000 to 11.26 per 10,000. The rate rose further to 13.10 per 10,000 by May 2026.

From October 2025 through May 2026, CHS-involved emergency department visits were 3.7 times as high as the monthly average recorded before the new diagnostic code was introduced.

The CDC noted that the new code made the condition easier to identify and track, meaning the sharp increase may partly reflect greater recognition and documentation of CHS.

Also read: Sugar Rationing In First 1,000 Days Linked To Lower Depression, Cancer Risk In Adulthood

What Is Cannabis Hyperemesis Syndrome?

CHS is a syndrome associated with prolonged, frequent cannabis use. It is characterized by sudden episodes of severe nausea, repeated vomiting and abdominal pain.

Reports of suspected CHS increased sharply between 2016 and 2022, with the largest increase occurring during the COVID-19 pandemic. The CDC noted that the rise also coincided with widespread state-level cannabis legalization in the US, although cannabis remains illegal under federal law.

People with CHS often seek medical care because symptoms can be severe and debilitating. Outcomes can range from resolution of symptoms after stopping cannabis use to, in rare cases, death.

When Was CHS First Identified?

CHS was first identified in Australia in 2004, yet nearly two decades later, the condition remains poorly understood. It typically affects people who use marijuana daily or near daily for more than a year. Symptoms can include severe nausea, repeated vomiting and abdominal pain, along with a compulsive desire to take extremely hot showers or baths.

Many patients report that heat temporarily eases their symptoms, although the relief is often short-lived.

Symptoms Can Last For Days

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CHS episodes can last for days, while recovery may take weeks or even months, depending on overall health, eating habits and whether the person stops using marijuana. Continuing to use cannabis can quickly trigger symptoms again.

A study from George Washington University found that nearly half of surveyed patients had been hospitalized at least once because of CHS. Many reported using marijuana more than five times a day before symptoms began. Starting cannabis at an early age was also linked to a higher likelihood of developing the condition.

Why Is CHS Still Poorly Understood?

Researchers emphasize that CHS is real, although many questions remain unanswered, including why hot showers provide temporary relief and how much cannabis use puts someone at risk.

Health experts say greater clinical awareness is needed. Better screening for cannabis use and recognition of symptom patterns could help reduce misdiagnosis and guide patients towards the only proven treatment: stopping marijuana use.

The Food Safety and Standards Authority of India (FSSAI) has to stop the sale of all variants of ghee manufactured by Daman-based SDP Industries, after laboratory tests found signs of adulteration and violation of food safety standards.

The move came after an inspection conducted on May 19. FSSAI said multiple samples were found adulterated, with laboratory analysis detecting β-sitosterol, a plant sterol that should not be present in genuine ghee. The samples also contained abnormalities in fatty-acid composition. 

The food regulator has prohibited the manufacture, storage and sale of the company’s ghee products from its authorised premises until further orders. The products include brands like SHRADDHA, SHREE SARAS and GOKUL. 

Adulterants In Ghee Samples

As pure ghee is made from milk fat, the presence of β-sitosterol is a red flag as it is a plant sterol. FSSAI said its detection, together with the abnormal fatty-acid profile, indicated the presence of vegetable fats in ghee touted to be "pure". 

The latest action is not based on a single sample. FSSAI said that surveillance samples collected in 2024 and January 2026 had also shown non-compliance with critical parameters, including β-sitosterol, fatty-acid profile, B.R. reading and R.M. value. 

Also read: ₹5 Crore Fake Medicine Racket Busted Near Bengaluru: Why Counterfeit Drugs In ICUs Are A Major Health Risk

Adulterated Ghee Is A Huge Health Concern

The health impact of adulteration depends on what has been added to or substituted for the ghee. Vegetable oils and other fats used in adulterated products may negatively alter the nutritional composition of the food. Some counterfeit products may also contain poor-quality, repeatedly heated or improperly processed oils and other non-food-grade substances.

Regular consumption of unhealthy fats can contribute to an overall diet high in saturated or trans fats, which may adversely affect cholesterol levels and cardiovascular health.

However, it is important not to assume that every adulterated ghee product will cause immediate poisoning or disease. The exact health risk depends on the adulterant, its concentration in the product and the amount consumed.

At the recent action in Hyderabad, authorities there seized around 36 tonnes of adulterated ghee, raw materials and chemical additives after inspecting 130 establishments. Officials said the suspected adulterated ghee involved ingredients including palm oil, vanaspati, skimmed milk powder and starch. 

Also read: FSSAI Warns Influencers, Celebrities Of Legal Action Over Unverified Food Claims

How To Spot Fake Ghee At Home?

There is no reliable kitchen test that can establish whether packaged ghee is genuine. Colour, smell, texture and whether ghee melts quickly are not enough to confirm purity because manufacturers can easily manipulate these characteristics. Instead, consumers should look for:

• A valid FSSAI license number on packaged products

• Proper labelling, including manufacturer details and batch information

• An intact seal and packaging

• A realistic price rather than unusually cheap “pure ghee”

• Products purchased from established retailers or authorised sellers

• The FSSAI licence and product details being consistent with the manufacturer

For suspected adulteration, laboratory testing is always the reliable method.