Helen Suh MacIntosh
Latest Stories from Helen Suh MacIntosh - Page 2
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Ask TreeHugger: Do Scented Candles Stink?
Response: In addition to
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Ask TreeHugger: Do Hand Sanitizers Work?
Response: The common cold is caused by a viral infection of the respiratory tract that produces runny nose, sneezing, congestion, and other symptoms. In laboratory tests,
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Ask TreeHugger: Black Clouds and Air Conditioners
Question: Our air-conditioner has begun emitting black, soot-like particles when we turn it on. We've tried cleaning the filter but it continues. Are these particles dangerous? Does this mean that we need a new air conditioner? Also, how do you know if
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Ask TreeHugger: What's the Dirt on Phosphate-Free Soaps?
Question: Why is it so important to use phosphate free soaps? Is there a difference in how they work? They don't seem much more expensive, but is there a catch? Also, why aren't all soaps phosphate free? We know it is possible since there are many on
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Ask TreeHugger: Getting Rid of Cigarette Smoke
Response: Cigarette smoke can come into your
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Ask TreeHugger: Pets and Allergies
Response: Pets allergies can be a significant problem not only for people living with the pets but also for
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Ask TreeHugger: What Is Vapor Intrusion?
Question: Could you discuss the issues and health risks related to "vapor intrusion" of volatile organic chemicals into buildings from contaminated sites? What can a homeowner or purchaser do to find out if there is a vapor intrusion risk at home,
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Ask TreeHugger: Are Exposures to Diesel Exhaust Related to My Heart Problems?
Response: Diesel exhaust exposures
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Ask TreeHugger: Why Is My Water Brown?
Response: Your drinking water may be brown because it has too much iron in it. Iron is a common, naturally occurring metal in soil,
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Ask TreeHugger: Is Eating Seaweed Dangerous?
Question: I was wondering if you could tell me how safe eating seaweed is these days, pollution wise. I hear lots about fish, but nothing about seaweed. Our family consumes 6-12 ounces a week. We buy organic, but it's wild caught. I eat seaweed in
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Ask TreeHugger: Can I Stand In Front of the Microwave?
Response: Microwave ovens cook food using microwave radiation (at a frequency of 2450 mHz), which is also used by mobile phones, TV broadcasting, and
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Ask TreeHugger: Should I Worry About Musty Odors?
Response: I suspect that the smell comes from mold, which as it grows, can
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Ask TreeHugger: Portable Air Cleaner Considerations
Response: If your wife spends most of her time at
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Ask TreeHugger: What Do Radon Tests Mean?
Question: I am selling my house and in this process, my house was tested for radon using a mail-in kit. The buyers got the radon results back and they show that my house is just below the EPA recommended limit. The buyers want me to install equipment to
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Ask TreeHugger: Green Alternatives to Traditional Dry Cleaning
Response: It is true
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Ask TreeHugger: Are Paraffin Heaters Dangerous?
Question:This is a brilliant idea from Treehugger. Thank you. And now that I think about it, I have one question. I have a passive solar house that gets most of its winter heat from the sun. I have a backup woodburning masonry stove that provides
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Introducing "Ask TreeHugger" and Helen Suh MacIntosh
I am a professor in environmental health at Harvard University. I study how pollution behaves in the environment and how it affects people's health. Over the course of my career, I have received many phone calls and emails from people asking for some
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TreeHugger Welcomes Writer Helen Suh MacIntosh
Helen Suh MacIntosh is an Associate Professor of Environmental Chemistry and Exposure Assessment at Harvard University’s School of Public Health. She is a world recognized expert in environmental exposure assessment, with her research focusing
