
Electric blankets have been a popular way to keep warm during winters, but their safety has been a matter of debate. While some studies have linked electric blankets to a small risk of uterine and breast cancer, the evidence is inconclusive. Other concerns include the risk of fires and burns, especially with old or damaged blankets. People with certain medical conditions, such as diabetes, circulation issues, or pregnancy, should exercise caution when using electric blankets. Overall, modern electric blankets with safety features are considered relatively safe when used correctly and replaced regularly.
| Characteristics | Values |
|---|---|
| Cancer risk | Some studies have found a small risk of uterine and breast cancer, but the evidence is inconclusive. A large-scale study found a link between EB use for 20+ years and endometrial cancer. |
| Fire risk | Older, damaged, or improperly used electric blankets have caused fires and burns. Newer blankets have safety features to reduce this risk. |
| User recommendations | Do not use with infants, children under 3, or those with diabetes, neuropathy, circulation issues, or altered temperature perception. Use for a maximum of 5-10 years. |
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What You'll Learn

Electric blankets and cancer risk
Electric blankets have been a cause for concern regarding cancer risk, particularly breast cancer, due to their close proximity to the body and prolonged hours of use. However, studies examining the link between electric blanket use and cancer have produced inconclusive results.
Studies on Cancer Risk and Electric Blankets
A study by Cohen, Lippman, and Chabner in 1978 suggested a possible connection between electric blanket use and breast cancer risk due to the impact on reproductive hormones through reduced melatonin secretion caused by EMF exposure. However, the International Agency for Research on Cancer (IARC) in 2002 found no conclusive evidence to support this claim.
A more recent large-scale cross-sectional study by Abel et al. in 2007 found an association between using an electric blanket for 20 years or longer and an increased risk of endometrial cancer. Additionally, a study by Rahbari, Zhang, and Kebebew in 2010 investigated the impact of reproductive hormones on thyroid growth, while also noting that exposure to EMF induced changes in the thyroid glands of rodents.
Safety Recommendations
While the research on the direct link between electric blankets and cancer is ongoing, it is important to follow safety guidelines when using these products. It is recommended to use electric blankets for a maximum of 5 to 10 years and to unplug them after each use. They should not be used by infants, children under three years old, pregnant women, or individuals with certain health conditions, such as diabetes or circulation issues. Always consult a doctor if you have any concerns or health complications.
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Safety precautions for electric blanket use
Electric blankets can be a great way to keep warm during the cold winter months. However, they can pose a safety risk if not used correctly. Here are some safety precautions to follow when using an electric blanket:
Check for Damage
Before plugging in your electric blanket, check for any signs of damage, such as loose wires, cracks, breaks in the wiring, or charred spots. If you notice any damage, do not use the blanket.
Avoid Folding or Bunching
Do not fold, ball up, or tuck your electric blanket under the mattress. Keep it flat while in use to prevent trapping too much heat, which can lead to overheating and even fires.
Unplug Before Sleeping
It is important to unplug your electric blanket before going to sleep. Do not sleep with the blanket turned on, as it can pose a safety risk. Use the blanket to warm up your bed for 30 minutes to one hour before sleeping, then unplug it and remove it before getting into bed.
Avoid Using with Other Heating Devices
Do not use your electric blanket in combination with a heated mattress pad or heating pad, as this can lead to overheating and increase the risk of fire.
Store Correctly
When not in use, store your electric blanket correctly to minimize damage. Keep the power cord separate, gently roll or loosely fold the blanket, and place it in a storage bag to protect it from dirt.
Check for Recalls
Before purchasing an electric blanket, check for safety recalls. Make sure to buy a blanket that has been certified by a nationally recognized testing laboratory, such as Underwriters Laboratories (UL).
Do Not Use Old Blankets
Electric blankets have a lifespan of about 5 to 10 years. After this period, the internal elements may start to deteriorate, increasing the risk of malfunction. Replace your electric blanket every 10 years and do not purchase second-hand blankets.
It is important to follow these safety precautions to minimize the risks associated with electric blanket use. While modern electric blankets have improved safety features, they can still pose a fire hazard or cause burns if not used correctly.
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Electric blankets and pregnancy
Electric blankets emit electromagnetic fields (EMFs) and are a source of extremely low-frequency electric and magnetic fields. While there is no conclusive evidence of a link between cancer and electric blankets, there are other risks to consider, especially during pregnancy.
Pregnant women should be careful when using electric blankets as they may increase core body temperature, potentially leading to overheating. This can increase the risk of dehydration and miscarriage. Research shows that exposure to non-ionizing radiation from electric blankets may increase the chance of pregnancy loss, with the miscarriage rate in the high exposure group being twice that of the low exposure group.
Some studies have also found an association between electric blanket use during pregnancy and an increased risk of congenital urinary tract anomalies (CUTAs), particularly in women with a history of subfertility. Prolonged use of electric blankets during pregnancy may also impact fetal development, causing a slight increase in the risk of fetal neural tube defects.
It is recommended to avoid using electric blankets in early pregnancy and late pregnancy. If using an electric blanket during pregnancy, it is important to keep the temperature setting low and ensure it is turned off before sleeping. Newer electric blankets with safety features such as automatic shut-off can help reduce the risk of overheating.
It is always best to consult with a doctor or healthcare provider before using an electric blanket during pregnancy and to follow safety guidelines, such as purchasing electric blankets approved by nationally recognized testing agencies.
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Electric blankets and children
Electric blankets have been a topic of debate for years, with many people questioning their safety. While they are considered safe, it is not recommended to use them with infants, young children, or anyone who cannot understand how to operate them safely.
When used correctly, electric blankets can be an effective way to keep warm during cold winters. However, it is crucial to prioritize safety, especially when using them with children. Here are some important considerations and guidelines for using electric blankets with children:
Safety Recommendations:
- Supervision and Education: Parents should regularly monitor their children's use of electric blankets and ensure they understand safety instructions and can articulate their comfort level.
- Automatic Shut-off: Choose electric blankets with automatic shut-off features to prevent overheating. This is crucial for children's safety.
- Adjustable Heat Settings: Look for blankets with multiple heat settings to maintain a comfortable and safe temperature.
- Low Voltage: Opt for low-voltage electric blankets or mattress pads, which pose less risk of burns or electrical hazards.
- Age Consideration: Consider the age and maturity of your child. Older children, particularly those over 10, may be able to use electric blankets safely if they understand how to operate them.
- Alternative Options: Explore safe alternatives such as thermal pajamas, bed socks, weighted blankets, or adjusting your home's central heating to keep your child's room comfortable.
Maintenance and Usage Tips:
- Maintenance: Regularly inspect the blanket for worn areas, loose plugs, cracks, or breaks in the wiring, plugs, and connectors. Follow the manufacturer's directions for proper cleaning and storage.
- Avoid Folding: Never fold or ball up the electric blanket when in use as it can damage the wires, causing overheating or sparking.
- No Bedding on Top: Avoid placing bedding or anything else on top of the electric blanket to prevent heat from becoming trapped and causing burns.
- Unplug Before Sleeping: It is recommended to unplug the electric blanket 30 minutes to one hour before sleeping. Do not sleep with the blanket turned on.
- Avoid Second-hand Blankets: Never purchase an electric blanket from a second-hand shop as malfunctions can occur.
- Avoid with Certain Conditions: Consult a doctor before using electric blankets if your child has diabetes, poor blood circulation, or other health conditions that may affect their sensitivity to heat.
While electric blankets can provide warmth, it is essential to prioritize your child's safety. Always follow safety guidelines and consider alternative options if you have any concerns.
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Electric blankets and fire hazards
Electric blankets are a convenient way to keep warm during the cold winter months. However, they have been associated with fire hazards and safety concerns, particularly with older models. From the late 1980s to the mid-1990s, thousands of house fires in the UK were attributed to electric blankets, causing injuries and even fatalities.
The primary cause of these fires was attributed to overheating wires within the blankets. It was found that the majority of fires, about 99%, were caused by blankets that were 10 or more years old, indicating that older blankets pose a significantly higher risk. Modern electric blankets are designed to emit less heat and include safety features to mitigate this risk.
To ensure safe use of electric blankets, it is recommended to inspect the blanket for any signs of wear and tear, such as frayed fabric, exposed wires, or damage to the electrical cord or connector. Blankets should be replaced at least every 10 years, and it is advised not to purchase second-hand blankets. When storing, it is recommended to roll or loosely fold the blanket instead of folding or tucking it tightly, as this can damage the internal wiring.
Additionally, it is important to follow proper usage guidelines. Electric blankets should not be used as regular blankets, and it is recommended to unplug them before use, especially if they do not have a thermostat control for overnight use. It is also important to avoid using multiple electric blankets or heating pads simultaneously and to avoid placing objects on top of the blanket that may cause overheating.
While electric blankets have been associated with fire hazards, these risks can be significantly mitigated by following proper safety precautions and using modern blankets with built-in safety features.
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Frequently asked questions
Electric blankets are a source of extremely low-frequency electric and magnetic fields (ELF-EMFs). While the National Cancer Institute has stated that no link between ELF-EMFs and cancer has been identified, there is some research that suggests a correlation between long-term use of electric blankets and cancer. Oncologists recommend cancer patients use alternative methods to warm up before exercising, such as non-EMF heating pads that use infrared heat.
Here are some safety tips to keep in mind when using an electric blanket:
- Turn it off before going to sleep.
- Avoid using a second-hand electric blanket.
- Avoid using the blanket if it shows signs of wear and tear, such as tears, discolourations, scorch marks, or a frayed electrical cord.
- Do not wash or dry-clean an electric blanket.
- Do not sit or lie on top of the blanket.
- Do not fold or ball up the blanket when storing it; instead, gently roll or hang it up.
It is recommended that children, as well as pregnant people and those with diabetes or circulation issues, avoid using electric blankets. Modern electric blankets have safety features such as automatic shut-off, but older blankets may not have internal temperature controls to prevent the blanket from getting too hot.
Yes, there are several alternatives to electric blankets. These include hot water bottles and non-EMF heating pads that use infrared heat.
The potential risks of using electric blankets include fire and burns. This is especially true for old, damaged, or improperly used electric blankets. Additionally, there may be a correlation between long-term use of electric blankets and certain types of cancer.











































