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Doctor insights on: Laser Radiation

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Is green laser pointer radiation dangerous for humans and pets with normal use?

Is green laser pointer radiation dangerous for humans and pets with normal use?

Normal use , No: When used as a pointer device for audio-visual presentations green and/or red laser light pointers are perfectly safe. These laser pointers should never be directly pointed at humans or animals, especially in the face, as they can cause permanent damage to the eyes. ...Read more

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Gamma Rays (Definition)

This is light of extremely short wavelengths typically produced either among the stars / in cosmic rays or by radioactive element decay. Gamma rays form the background of normal radiation in which we all live; it is substantially greater than the exposure we get from imaging scans or should get from ...Read more


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Can exposure to radiation from laser hair removal of chin be a cause of thyroid cancer?

Can exposure to  radiation from laser hair removal of chin be a cause of thyroid cancer?

unlikely: Thyroid cancers are not rare. All lasers used on people have to be approved by the fda to be safe in regards to radiation exposure. ...Read more

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Is it true that PT like ultrasound, tens, laser expose the body to radiation? Is it like X-Ray? What is the approx dose from 10 visits?

Is it true that PT like ultrasound, tens, laser expose the body to radiation? Is it like X-Ray? What is the approx dose from 10 visits?

Physical Therapy: uses non-ionizing radiation. Xray and CT are ionizing radiation, which you should seek to reduce exposure to whenever possible. However, ultrasound, TENS and laser use sound, electricity and light energy which are generally regarded as safe in these therapeutic amounts. ...Read more

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Is it safe to use laser resurfacing for acne scars if you had radiation for cancer years ago?

Is it safe to use laser resurfacing for acne scars if you had radiation for cancer years ago?

Yes: Doublecheck with the physician who'll administer the laser, but unless you have old radiation dermatitis or telangiectasias in the area, you'll probably be fine. Congratulations on your recovery from cancer. Best wishes. ...Read more

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Can or should I continue laser txt for face wrinkles while healing from lumpectomy for breast cancer? One laser txt prior to diag. During radiation?

Can or should I continue laser txt for face wrinkles while healing from lumpectomy for breast cancer? One laser txt prior to diag. During radiation?

Continue: Healing from a lumpectomy should not interfere with any additional treatments iff the lesion is dcis and further surgery like axillary dissection suggested. If nothing further is offered for the breast then laser treatment of face should be permitted. ...Read more

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What is the best laser for fractional resurfacing?

What is the best laser for fractional resurfacing?

Erbium for darker sk: For darker skin types the erbium laser offers advantages. The healing time is faster 3-4 days. The redness if any is limited to1-2 weeks, and side effects uch as color change are rare. It can be used for acne scars, lip and eye wrinkles and surgical or traumatic scars. ...Read more

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Could a laser pointers reflection be dangerous if pointed directly?

Could a laser pointers reflection be dangerous if pointed directly?

At what?: Over the counter pointers are of low wattage but can still reach several football fields in length ( ie airplanes complaning about green light etc) and depending on the laser blind you if aimed directly onto your retina. ...Read more

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What is laser liposuction?

What is laser liposuction?

Laser Assisted LPS: Uses certain laser frequencies to help liquify and heat the fat and subskin areas (theoretically to tighten the skin). Results are not significantly different that with syringe or low pressure machine lps. Major marketing claims better results, but clinical experience suggests that laser and ultrasound uses are not of great advantage, and usually cost more. Many use both. ...Read more

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What is laser resurfacing?

What is laser resurfacing?

Skin Stimulating: Laser resurfacing can be used to help reducing fine lines/wrinkles as well as minor blemishes and acne scaring. It is accomplished mainly in two ways... The first way is by removing thin layers of superficial skin. The other way is by stimulating collagen growth and production which is helpful in areas of fine lines and wrinkles. ...Read more

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Why is radiation bad for us?

Mutations: When ionizing radiation goes through the body it causes electrons to be ejected from atoms, leaving behind free radicals which can damage DNA. DNA damage can cause cell death, mutations from inaccurate repair, or be repaired back to normal. Inaccurately repaired DNA (mutations) can cause a cell to act wildly or grow into a cancer. ...Read more

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Could you have laser hysterectomy?

Could you have laser hysterectomy?

Yes: The use of laser technology in performing hysterectomy is not common. Their are many methods of performing a minimally invasive or laparoscopic hysterectomy that are just as effective and safer than laser. The vast majority of hysterectomies performed can be performed through tiny laparoscopic incisions. ...Read more

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Microdermabrasion: what should I go for laser or microderm?

Microdermabrasion: what should I go for laser or microderm?

Microdermabrasion: Microdermabrasion and laser resurfacing are two distinctly different treatments. The decision on which would be best will depend onyourskin condition and whatyouaretrying to achieve. ...Read more

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About laser surgery?

About laser surgery?

Laser surgery: Can you give us a little more information? Not quit enough given to be able to help you. ...Read more

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Can lasers remove scars?

Can lasers remove scars?

No. See specialist: Scars can be improved. Never completely removed. You would need to see a specialist such as a board certified plastic surgeon. ...Read more

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Can a ganlion cyst be lasered?

Can a ganlion cyst be lasered?

The best is: To remove in its entirety with its capsule so that it should not grow back. ...Read more

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Can laser cavity removal hurt?

Can laser cavity removal hurt?

Mimimal: Laser cavity removal only works on virgin teeth some patient feel it more than others. ...Read more

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What all is yag laser used for?

What all is yag laser used for?

YAG laser uses: The yag laser is used for eye procedures as noted by dr chang. Depending on wavelength, the yag laser is also used for vascular lesions like spider veins and telangiectasias, as well as tattoo removal, skin tightening, and hair removal. ...Read more

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Dr. Tim Conrad
9 doctors shared insights

Laser (Definition)

Laser is an abbreviation for light amplification ...Read more