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@cindiwass

Thank you. I tend to be very cautious (in my old age) about medical treatments. I, too, sometimes go to a water aerobics class, I am happy there is one in my area. Just to let you know, where I was a teenager my mother sent me to a dermatologist because I had a little bit (not a lot) of acne. And he gave me that x-ray treatment, rotating an x-ray instrument all over my face. I had several treatments. I learned lately that is a indicator for greater chance of thyroid cancer later on. I also had many, many x-rays without protection for my teeth. Years ago they didn't use protective covering when taking x-rays of teeth. I will certainly let you know what the next doctor tells me. I will most likely allow the US exam for the nearby glands to be given to me, but I just wonder how dangerous those US scans are. I've had two already on my thyroid, and one iodine pill uptake.

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Replies to "Thank you. I tend to be very cautious (in my old age) about medical treatments. I,..."

@cindiwass I think we all need to be cautious about medical treatments, particularly until they have been around long enough to show that they do not have long-lasting ill effects.
I never heard of an x-ray treatment for acne but both my son and daughter were on Accutane, my daughter for two or three rounds of it so when I later discovered the psychological side-effects it upset me greatly. It is no longer available in this country.
JK

From what I understand, @cindiwass, ultrasounds use non-ionizing radiation. Whereas most x-rays and other tests use ionizing radiation. Here is some information about ultrasounds from the FDA website:
https://www.fda.gov/radiation-emitting-products/medical-imaging/ultrasound-imaging#benefitsrisks
Ultrasounds are used on pregnant women to check on the status of the unborn baby.

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