Questions tagged [radiation]
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Can radiography procedures in medicine use gamma radiation?
Can radiography with gamma rays be used in medicine? If not, why not?
Is it a technical issue (gamma rays are not easy to generate or detect for this purpose) or is it a safety issue (gamma rays are ...
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Why are the radiation doses of dental CBCT scan in mGy/cm2 rather than microsievert?
I asked my dentist the radiation dose of a CBCT scan and the machine gives the data in mGy/cm2.
I was rather used to interpret radiation doses in micro-Sivert because this unit takes into account the ...
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Should even people with Hashimoto’s disease take potassium iodide in radiation emergencies?
In some radiation emergencies, governments will recommend that people take potassium iodide for a short time in pretty high doses to protect their thyroid against radiation damage and cancer.
But ...
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Is it safe to stand near the microwave oven while it operates? [closed]
My son told me that it's possible to test whether your microwave oven is properly insulated by putting a cell phone into the oven, closing the door, and then calling that phone. We did this, and the ...
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Can iodine purification tablets be used to prevent absorption of radioactive iodine (tetraglycine hydroperiodide, potassium iodide)
Can one use iodine tablets made of tetraglycine hydroperiodide to protect yourself from radiation poisoning in an emergency? If so, how much should one take?
The CDC recommends adults take 130mg of ...
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Does EMF radiation, higher than safety limits suggest, cause cancer? [duplicate]
Does EMF(radio and microwave spectrum) radiation cause cancer, and what are the safety limits that WHO or independent scientists suggest?
I read this article below; is this true?
Most cancer in ...
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Alternative sources of iodine for radiation emergency
One approach to reduce long-term health effects from a nuclear radiation emergency is to take potassium iodine. The typical dosage is 130 mg daily.
As the need for iodine pills is very rare and their ...
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What are typical entrance skin dose rates in radiography?
I am designing a radiation dosimeter, and I am trying to work out if it can detect the radiation rate/dose used in radiography procedures (with dosimeter placed on the patients body). I want to start ...
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How many RADs are actually lethal?
How many RADs are actually lethal?
How many RADs (Radiation Absorbed Dose) per hour are lethal? Google says Doses of 200 to 1,000 rad delivered in a few hours will cause serious illness with poor ...
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Does a radiologist adjust the amount of radiation for each individual?
When performing an x-ray (in the UK specifically) does a radiologist use different settings based on which body part they are x-raying? Or do they have the machine on one setting for everyone? I'm ...
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Is short exposure for a not high amount of radioactivity harmful? Has it benefits?
Background
Radio active elements is the name for atomic elements with unstable nucleus. This nucleus can undergo different processes, each of them probably having different health effects.
Problem
I ...
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Sun exposure damage
I had a lot of times in my life when I got seriously sunburned (my skin got extremely red). Though, after the sunburns pass, I become a lot darker and tanned and then I do not get burned any more, ...
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Does Tritium radioactivity penetrate eye tissue?
In the past Tritium was used in watch dial lume. Even though it is mildly radioactive, it was deemed safe because its radioactivity doesn't penetrate the skin. However, we have other tissues in our ...
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Why may a small basal cell carcinoma (BCC) treated with radiation be much more aggressive than it appears on the surface?
I read on https://www.skincancer.org/blog/ask-the-expert-why-am-i-having-surgery-to-remove-a-small-basal-cell-carcinoma/ (mirror):
In addition, a small BCC in an area previously treated with ...
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Do computer monitors emit electromagnetic radiation that can damage your face?
Disclaimer: I am layman in the field, but I have a legit question to ask, so before closing, please note that I am showing enough "pre-research" and ask clarified question.
I used an LCD monitor in ...
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How long exposure to microwave radiation is considered dangerous? [duplicate]
Today I wanted to heat my breakfast in the microwave, when the microwave finished heating my food I pressed the button to open the door, but at that moment the microwave turned again, with the door a ...
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How safe is low frequency radiation in I.T. edge cases? (5G, etc)
Closely Related: 5G Radiation Dangerous?
Being inundated with all kinds of 5G health statements, (for & against), I noticed a weird trend - the absence of cumulative radiation studies.
Question:
...
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Is it advisable to have Bluetooth-enabled devices for infants less than 2 years old? [closed]
I have a Bluetooth-enabled health monitor watch. My concern is having such devices for infants who are less than 2 years old. Does it affect them health-wise??
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High dose radiation contamination — why is quarantine necessary?
I'm watching Chernobyl on HBO and just wondering why the contaminated workers continued to pose a danger after being taken hundreds of miles away from the explosion site. The initial meltdown sent ...
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Is an annual stomach x-ray (barium meal) an acceptable radiation risk for a resident of Japan?
I live in Japan. Here, it is common for an annual health checkup to include a barium meal stomach x-ray, especially for people over 35, but sometimes younger.
A gastroenterologist told me that this ...
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Why don't we actively strugle to provide the highest LET particle radiation therapy, maybe with manganese, fluorine, nitrogen, iron, or osmium?
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3885128/
I am a cancer patient since 16, a medical student aiming for radiation oncology and subsidiary MSc&Phd in radiophysics. I am actually ...
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Are headphones with EMF measurement of 10,000 milligauss harmful to me?
I used an Electric-Magnetic Field detector app on my phone and measured the EMF output on my wired headphones. It measured around 10,000 milligauss (1mT) on one part of both ear cups. Since wearing ...
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Safety of radiation from baby monitor
I have always assumed baby monitors and all wireless technology to be completely safe and have been informed by a 'friend' that I have been endangering my children by using them.
We used an RF ...
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Health risk associated with living close to a power line: Cancer risk & exposure to electromagnetic field
Is there reason to be concerned about living in a home/apartment that is directly facing a power line?
A google search (general and google scholar) seems to suggest that there is minimal risk but I ...
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Having a 2.4/5 Ghz wireless router next to us is healthy?
What is the official distance that we need to keep from a 20 dBm wireless router that has 2x2 MiMo 3 dBi antennas?
The given router is this:
https://www.ubnt.com/unifi/unifi-ap-ac-lite/
Ex.: can ...
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Does only the cumulative dose and not the dose rate matter for health effects of low-level radiation?
Most web articles related to negative health effects of radiation and radiation exposures from various sources (diagnostic scans, natural background radiation etc.) compare risk levels in terms of the ...
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How does cancer radiotherapy target only cancer cells? [closed]
I read about cancer treatment where the patient would be given radiation to kill cancer cells. How do they make sure that it affects mostly the cancer cells?
Moreover how do they manage it so that it ...
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Typical size for breast tumor at the beginning and at the end of radiotherapy treatment
I'd like to know if you know about sizes of breast tumors at the beginning and at the end of a typical radiotherapy treatment. I know that standard scheduled (50 Gy in 25 sessions) and ...
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Head CT Scan Risks
Please go through the attached image and confirm if the repeated head CT scan is too much for a 6 yr old boy. Will there be any long term side effects?
I would appreciate a quick response to my ...
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Is Near-infrared focused light safe for your eyes?
I found a new product, but I'm afraid it's not safe. Can you help me understand what the safety limits are when it comes to near-infrared light focused on your eyes is?
I'm assuming the wavelength ...
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Radioactive Iodine for Hyperthyroidism: why avoid contact with others?
I can readily see why it's desirable to avoid contact with women who are or might become pregnant, and to avoid contact with children.
However, many sources go further than this. For instance, http://...
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Excessive radiation emission by cell phone when call is connected? [closed]
I have an application called Mobile Guard which one of its features is to vibrate when call is connected and by that allowing you to keep the phone away from your ear until the callee answers. The ...
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