Low Level Laser - Research
There is a large body of research spanning over 40 years on Low Level Laser Therapy.
Please note: These pages represent only a tiny sample of the resarch available on
Low Level Laser, and are purely for general information purposes, to give you an idea of the scope of Low Level laser,
how it works, what Low Level Laser
research studies show about its
general effects, and
the wide range of health issues that
have been helped by it. The thousands of published studies on Low Level Laser have used various systems from
various manufacturers, or more basic or specialised systems built in research
centres, so strictly speaking, similar
results can not be extrapolated to systems other than those used in the studies. Health and wellness are
also very individual issues, so these studies should not be interpreted as proof that anyone other than the study participants would
receive the same reported benefits.
This section is provided purely as a source of inspiration in how Low Level laser might help you improve
your own health. We do not treat or diagnose conditions -- our approach is that if your body has the
optimal conditions for good health, it will be better equipped to deal with any health challenges it may
face, now or in the future.
For a short but thorough overview of Low Level Laser research from one of the world's leading pain management
publications, read: Lasers
for Healing of Inflammation and Pain.
- Blood Pressure – Umeda tested the effects of a Low Level Laser on the
control of blood pressure via energy administered via the medulla oblongata. The results from a group of 30
patients suffering from hypertension were positive in 80% of the patients. Laser Therapy. 1990; 2(2):
59
- Carpal Tunnel Syndrome – Low Level Laser
Therapy has been approved by the FDA as an adjunct treatment method for this condition.
- Epicondylitis (Tennis
Elbow) – Simunovic treated 324 patients . . . complete pain relief and restored functional ability were
achieved in 82% of the acute patients and 66% of the chronic cases. J Clin Laser Med & Surg. 1998; 16
(3): 145-151
- Fibromyalgia – Longo treated 846 patients with
fibromyositic rheumatism during a 15 year period. About 2/3 benefited from the treatment with regard to
local pain, hypomobility and phlogosis. J Clin Laser Med Surg. 1997; 15 (5): 217-220
- Headache/Migraine – Wong treated 20 patients with migraine
or symptoms resembling migraine. The pain disappeared after 1-5 minutes. Proc 9th Congress Soc Laser
Surgery and Medicine, Anaheim, CA: 2-6 Nov. 1991
- Low Back Pain– Soriano performed a double-blind trial with elderly people suffering from
chronic low back pain. Treatment was effective in 71% of the laser group and 36% of the sham group. The
pain disappeared completely in 45% of the laser group and 15% of the sham group. Lasers Surg Med. 1998
Suppl 10, p. 6
- Pain – Low Level Laser Therapy has been approved by the
FDA as an adjunct treatment method for pain related to shoulder injuries.
- Rheumatism/Osteoarthritis– Palmgren conducted a controlled double-blind study on 35 patients with
rheumatoid arthritis of the hand. In the experimental group, grip strength and movement were improved while
swelling, pain and morning stiffness were reduced. Lasers in Medical Science, 1989; 4: 193.
- Wound Healing– Palmgren investigated the effect of Low Level Laser Therapy on infected
abdominal wounds after surgery. Healing time to half wound size was 6.8 days in the laser group compared to
14 days in the placebo group. Lasers Surg Med 1991; Suppl 3:11
- Allergic Rhinitis – Neuman & Finkelstein studied 50 patients in a double-blind randomized study.
Following treatment with a 660 nm red laser, 72% of the treatment group reported improvement of symptoms as
compared to 24% of the placebo group. Ann Allergy Asthma Immunol 1997;78:399-406
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Bacterial Infection
– In research led by Michael Hamblin of Mass. Gen. Hospital and Harvard Medical
School, mice with surgically induced wounds were dosed with bioluminescent bacteria to create
potentially lethal infections. Utilizing a 665 nm laser diode photodynamic therapy (Low Level Laser
Therapy) the researchers found that "infected wounds healed significantly faster with the PDT
method. PDT shows promise as a topical antimicrobial alternative that may work even faster than
antibiotics." The Journal of Infectious Diseases, June 1, 2003, PP 1717-1725.
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