"Understanding cancer risk can feel overwhelming, but learning which everyday habits may contribute to risk helps people make practical and empowering choices," points out Dr. Brian Helfand, MD, Ph.D., a urologic oncologist and the division chief of urology at Endeavor Health.
"The number one risk factor for most cancers is age, and this is something that cannot be controlled," reports Dr. Adeel Khan, MD, MPH, MS, a hematologist/oncologist and epidemiologist at the University of Texas Southwestern Medical Center. "Other factors, such as genetic predisposition and underlying health conditions, are also not modifiable in today’s age."
"Typically, cancer develops over many years, and repeated exposures to harmful substances can accumulate in the body over time," Dr. Helfand adds. "By focusing on modifiable behaviors such as food preparation and storage, individuals can reduce potential risks without fear or drastic lifestyle changes."
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Indeed, research, including from 2024, suggests that microplastic exposure can contribute to cancers, including lung and colon cancer.
"Microwaves work by emitting radiation targeting and exciting water molecules, and this heats up food, as most food has a high water content," he shares. "However, when this occurs in the presence of plastic, leeching of the plastic as small particles, microplastics and nanoplastics, directly into the food occurs."
"Many people microwave plastic simply because it is convenient and quick," he says. "Leftovers are often stored in plastic containers. In addition, takeout food packaging is commonly reheated, and some individuals assume that 'microwave-safe' labeling means it is completely risk-free."
"While the exact risk from occasional exposure is unclear, minimizing heat-related chemical migration is a prudent approach," he explains.
Chemicals in Plastics Linked to Cancer
Dr. Helfand reports that several chemicals in plastics have raised some potential concerns of cancer risks, including:
Bisphenol A (BPA). He shares that BPA's purpose is to harden plastics and line food cans. Yet he notes that data show that BPA can mimic hormones, such as estrogen. It can potentially interfere with hormone signalling.Phthalates. Dr. Helfand says that companies will add phthalates to make plastics, especially wraps and containers, more flexible, but that this may disrupt hormone function.Styrene. This chemical is used in foam containers and packaging. "Styrene can migrate into food when heated and is considered a possible carcinogen based on occupational and animal studies," he says.Per- and polyfluoroalkyl substances (PFAS). You may hear these referred to as "forever chemicals," and Dr. Khan shares that you can find them in food liners because they resist water, stains and impurities. "PFAS, however, are linked to kidney, testicular and other cancers."Related: ‘I’m an Endocrinologist—This Popular Smoothie Ingredient Sends Blood Sugar Soaring’
Still, he suggests approaching heating food differently. "Although there is no clearly defined safe exposure level, reducing exposure moving forward is a sensible and effective step," Dr. Helfand advises. "Small changes made consistently over time can meaningfully lower potential risk."
Transfer food to a glass, ceramic or microwave-safe stoneware dish before heating. Using a microwave-safe lid, parchment paper or a paper towel instead of plastic wrap can help prevent splattering. Not reheating food in takeout containers, margarine tubs or disposable packaging.Allowing hot foods to cool slightly before storing them in plastic
Speaking of storage, Dr. Helfand suggests using glass or stainless steel containers to stash leftovers (these materials are also safer for water bottles).
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Sources:
Dr. Adeel Khan, MD, MPH, MS, a hematologist/oncologist and epidemiologist at the University of Texas Southwestern Medical CenterDr. Brian Helfand, MD, Ph.D., a urologic oncologist and the division chief of urology at Endeavor HealthAssociation between wine consumption and cancer: a systematic review and meta-analysis. Frontiers in Nutrition.A comprehensive review on the carcinogenic potential of bisphenol A: clues and evidence. Environmental Science and Pollution Research.Effects of Microplastic Exposure on Human Digestive, Reproductive, and Respiratory Health: A Rapid Systematic Review. Environmental Science & Technology.Endocrine disruption to metastasis: How phthalates promote breast carcinogenesis. Ecotoxicology and Environmental Safety.Our Current Understanding of the Human Health and Environmental Risks of PFAS. EPA.Styrene. NIH.Hence then, the article about oncologists are begging you to stop making this microwave mistake immediately was published today ( ) and is available on Parade ( Saudi Arabia ) The editorial team at PressBee has edited and verified it, and it may have been modified, fully republished, or quoted. You can read and follow the updates of this news or article from its original source.
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