Electric kettles are found in almost every modern kitchen. They’re fast, convenient, and efficient. But not all kettles are created equal. In fact, using the wrong kind of kettle—or using it improperly—can quietly expose your body to harmful chemicals and even increase the risk of cancer.
Recently, one category of kettle was flagged for containing carcinogenic substances that may damage the liver. Concerned experts, such as Dr. Xu Hao of Anhui Provincial General Hospital (China), have urged families to check their kettles right away.
If yours falls into one of the categories below, it’s time to throw it out and avoid buying the same type again.
1. Low-Grade Stainless Steel Kettles
Not all “stainless steel” is truly safe. Cheap or counterfeit versions may contain mixed alloys that release heavy metals like lead, cadmium, and nickel when exposed to high heat.
These heavy metals are known carcinogens, capable of:
- Damaging the nervous system
- Weakening the immune system
- Altering DNA at the cellular level
Safety tip: Look for markings such as SUS 304, Inox 304, or 316 stainless steel. These are food-grade and do not corrode or leach harmful metals. If a kettle doesn’t clearly specify this, it’s best to avoid it.
2. Rusty or Peeling Kettles
When the inner protective layer of a kettle starts peeling or rust appears at the bottom or along the walls, it’s more than just an eyesore. Harmful substances like iron oxide, nickel oxide, and chromium can leach into boiling water.
Once inside the body, these toxins may harm the liver, kidneys, and digestive system. Over time, they can also trigger cell mutations that fuel the growth of cancer.
The risk is especially concerning if this water is used daily for baby formula, tea, or coffee, as toxins can accumulate silently in the body.
