Can smells cause health risks?

Author: Kody Kshlerin  |  Last update: Sunday, January 11, 2026

CAN ODORS CAUSE HEALTH PROBLEMS? Yes, certain groups of chemicals that produce odors are potentially harmful and can cause health problems. Some of these harmful chemicals are regulated by the NHDES under the Air Toxics Program and the US Environmental Protection Agency (EPA) under the Clean Air Act.

How bad smells affect your health?

Strong odors may cause some people to feel a burning sensation that leads to coughing, wheezing or other breathing problems. People who smell strong odors may get headaches or feel dizzy or nauseous. If an odor lasts a long time or keeps occurring, it also could affect mood, anxiety and stress level.

How do I know if a smell is toxic?

How to tell if a bad smell is dangerous. It is not always easy to know if a bad smell is dangerous. If it smells like rotten eggs, sewage, or burning, it may be dangerous. However, some dangerous fumes such as carbon monoxide have no odor at all.

Can you smell toxins in your body?

High ketone levels cause your blood to become acidic and your body odor to be fruity. In the case of liver or kidney disease, your odor may give off a bleach-like smell due to toxin buildup in your body.

How do you detox your body from smell?

The following suggestions may help:
  1. Bathe daily. Regular bathing, especially with an antibacterial soap, reduces the growth of bacteria on your skin.
  2. Choose clothing to suit your activity. For daily wear, choose natural fabrics, such as cotton, wool and silk. ...
  3. Try relaxation techniques. ...
  4. Change your diet.

Here are THREE cancer scents that people don't pay attention to! How does oncology smell?

What illnesses can you smell?

Here are some of the most common diseases that are associated with distinctive smells and what they smell like:
  • Diabetes. Blood sugar regulation is impacted by diabetes. ...
  • Kidney disease. ...
  • Liver disease. ...
  • Cancer. ...
  • Gout. ...
  • Menopause. ...
  • Hyperthyroidism. ...
  • Infections.

Can you get sick from smelling something bad?

Odor sensitivity and response to odors differs from person to person. For some people who are more sensitive to odors, simply smelling a small amount of a foul odor can cause headaches and nausea. Sensitive populations include young children, pregnant women, the elderly and people with chronic health problems.

Why does it smell when I open my legs?

Sweat is a combination of water, salt, and other chemicals. When it comes into contact with bacteria on the skin, it produces an odor. fungal infections: Fungal infections thrive in warm, moist areas, such as the groin area and inner thighs. They can cause a red, itchy rash and produce an unpleasant odor.

What are the 7 types of smell?

Scientists have classified odors into 10 basic categories: fragrant, woody/resinous, minty/peppermint, sweet, chemical, popcorn, lemon, fruity (non-citrus), pungent and decayed.

Why am I suddenly sensitive to smells?

Hyperosmia is an overwhelming sensitivity to smells. There are many reasons behind this change in smell. Some include genetics, hormone changes, and migraines. ‌If you have hyperosmia, your taste may also be affected.

Can smell make someone sick?

But some gaseous compounds can have other effects on your health by causing shortness of breath, headaches, eye irritation, or, if large amounts are inhaled, even death.

What does diabetes body odor smell like?

People with uncontrolled diabetes can experience a fruity or acetone-like smell (think nail polish remover) on their breath or skin. This is due to the buildup of ketones in your bloodstream, which is a byproduct of fat breakdown.

Can scents cause health problems?

Both asthma and COPD symptoms can be made worse by fragrance exposure. [3][4][5] Neurological impacts such as migraines have been associated with fragrance. [6][7] In the U.S. these types of reactions are quite common.

Can bad smell affect your brain?

However, as described above, smells can produce differential effects on behavior, cognitive function, and mood, according to their valence.

Why do smells make me sick?

When someone has hyperosmia, they can experience smells more strongly than other people. This strong sense of smell may lead a person with hyperosmia to experience discomfort and illness from certain odors. Trigger odors for hyperosmia vary from person to person.

What does stress smell like?

The characteristic odor we were seeking, emanating from the skin during stress-induced interviews, was similar to that of allyl mercaptan; however, it could not be perfectly reproduced on its own, and when the odor of dimethyl trisulfide was added, the smell was much closer to the actual smell we found that was similar ...

Why do I stink even though I shower?

"If body odor persists despite good hygiene, it could signal an underlying health problem like hormonal imbalances, infections, or metabolic disorders," he adds. "It's important to consult a healthcare provider to rule out or treat any serious conditions."

Is body odor unhealthy?

Sweating and body odor are common when you exercise or you're too warm. They're also common when you're feeling nervous, anxious or stressed. Unusual changes in sweating — either too much (hyperhidrosis) or too little (anhidrosis) — can be cause for concern. Changes in body odor also may signal a health problem.

Is smelling garbage bad for you?

So, it's not the smell that may kill you, but rather the gas that enters your body. The health effects of hydrogen sulphide depend on the amount inhaled and for how long. Exposure to low concentrations can produce irritation of the nose and throat and lead to loss of appetite and headache.

What hormone causes heightened sense of smell?

As with so many pregnancy symptoms, when it comes to your keener sense of smell, you can once again blame those pregnancy hormones. In this case, estrogen can make every little scent that wafts your way feel like an all-out assault on your nostrils.

Can smells indicate illness?

A person with kidney failure may have breath that smells like ammonia or urine. Serious liver disease can make breath smell musty or like garlic and rotten eggs. Compounds that are transported through the blood can also be released through your sweat glands. That can make your armpits and skin smell bad.

Can bad smell affect your health?

Environmental odors are not toxic. However, if a substance level in air is high, happens often, and last a long time, the odor can become toxic. It also may cause adverse odor-induced health effects. If those conditions do not exist, odors are generally not toxic.

Does shaving armpits reduce smell?

Practical recommendations regarding the most effective means of reducing axillary odor include shaving of underarm hair in men.

What smells like urine but isn't?

Multiple things can cause your house to smell like cat urine, even if you don't have a cat. Investigate if there is mold, leaking Freon, sewer gases, smelly plants, spoiled food, or even stains from previous pet owners.

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