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Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections.
Broadband polychromatic light (white light) and LED radiation can only penetrate 0.0017 mm to 5 mm of tissue. [24] For example, research shows that at wavelengths of 450 nm and 650 nm only 1% of the light reaches approximately 1.6 mm and very little reaches 5 mm. [ 25 ] [ 26 ] Only laser radiation can propagate into deeper tissues.
Blood irradiation therapy is an alternative medical procedure in which the blood is exposed to low-level light (often laser light) for therapeutic reasons. [1] The practice was originally developed in the United States, [ 1 ] but most recent research on it has been conducted in Germany (by UV lamps ) and in Russia (in all variants).
The 131 I isotope is also used as a radioactive label for certain radiopharmaceuticals that can be used for therapy, e.g. 131 I-metaiodobenzylguanidine (131 I-MIBG) for imaging and treating pheochromocytoma and neuroblastoma. In all of these therapeutic uses, 131 I destroys tissue by short-range beta radiation. About 90% of its radiation damage ...
Visible light has wavelengths of about 400 to 780 nanometers (nm), says Roger Ceilley, MD, a fellow of the American Academy of Dermatology who practices at Dermatology P.C. in West Des Moines, Iowa.
This is contained in a certain volume, depending on the radioactive concentration, such as 5 to 10 mCi/mL (185 to 370 TBq/m 3); typical volumes include 50 or 25 μL. Not all molecules in the solution have a P-32 on the last (i.e., gamma) phosphate: the "specific activity" gives the radioactivity concentration and depends on the radionuclei's ...
What is green light therapy? Green light therapy—a band of green light from a specific lamp—may one day be used to help mitigate pain in conditions like migraine or fibromyalgia. Green light ...
Yes, you can do red-light therapy at home with a wand, mask, or panel. At home, red-light therapy devices utilize low energy, compared to the high-energy treatments you’d get in-office.