Most people think of cancer-causing agents as industrial chemicals, cigarette smoke, or pollution. But experts warn that some of the most dangerous carcinogens may be lurking inside our own homes, hidden in everyday items we use and touch daily. Long-term exposure, even in small amounts, can gradually increase the risk of developing cancer.

Here are four common household “killers” you should be aware of:

---

1. Mold and Damp Areas

Moisture buildup in bathrooms, kitchens, or basements creates an ideal environment for mold. Certain types of mold, such as Aspergillus species, can release mycotoxins — substances linked to respiratory problems and even some cancers.
Prevention tip: Fix leaks promptly, use dehumidifiers in damp areas, and ensure proper ventilation in high-moisture rooms.

---

2. Cooking Fumes

When oil is overheated, it releases fumes containing polycyclic aromatic hydrocarbons (PAHs) and acrolein, both of which have been linked to cancer. This risk is especially high for people who cook with unventilated stoves or fry food frequently.
Prevention tip: Use a kitchen exhaust fan, cook at moderate temperatures, and choose healthier cooking oils with higher smoke points.

---

3. Household Cleaning Chemicals

Many cleaning products contain harsh chemicals such as formaldehyde, benzene, and ammonia. Prolonged exposure, especially in poorly ventilated spaces, can irritate the lungs and potentially increase cancer risk over time.
Prevention tip: Switch to eco-friendly or natural cleaning products, wear gloves, and ventilate rooms when cleaning.

---

4. Old Carpets, Furniture, and Paint

Older household materials may emit volatile organic compounds (VOCs) and formaldehyde, both recognized as carcinogens. This is particularly true for poorly maintained carpets, foam cushions, and older paint coatings.
Prevention tip: Replace worn-out materials, use low-VOC paints, and air out new furniture before bringing it indoors.