Light Therapy News and Research

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Light Therapy is the treatment of disease with certain types of light. Light therapy can use lasers, LED, fluorescent lamps, and ultraviolet or infrared radiation. Also called phototherapy.

Red light therapy shown to significantly reduce blood sugar spikes, study finds

Using red light of 670 nm wavelength impacted the circulating glucose levels in the plasma, using oral glucose tolerance tests.

23 Feb 2024

Sleep-circadian disturbances can trigger or worsen a range of psychiatric disorders

Problems with our sleep and internal body clock can trigger or worsen a range of psychiatric disorders, according to a new review of recent research evidence.

19 Feb 2024

UH optometry researcher warns against the use of low-level red light therapy to control myopia

A University of Houston optometry researcher is warning against the use of low-level red light (LLRL) therapy as a method to control myopia, or nearsightedness, especially in children.

29 Jan 2024

Study investigates the connection between changing light levels and mental health

In Finland, there is a clear increase in the number of sick days taken due to depression, anxiety and sleep disorders in October and November, whereas the number of absences is lower than expected between June and September.

20 Dec 2023

Photobiomodulation in Alzheimer's mouse model falls short in preventive impact

Study assesses the effectiveness of photobiomodulation (PBM) treatment in a mouse model of Alzheimer's disease and finds no significant impact on behavioral performance or neurodegeneration, suggesting the need for further research into PBM's therapeutic potential.

16 Nov 2023

Mount Sinai secures $6.2 million grant to expand the Cohen Center for Recovery From Complex Chronic Illnesses

Mount Sinai's Department of Rehabilitation and Human Performance has announced a $6.2 million grant from the Steven & Alexandra Cohen Foundation.

20 Sep 2023

Flash therapy may offer a practical option to delay the circadian clock in shift workers and jet travelers

Researchers examined whether flash therapy, given during sleep, changed the sleep architecture to shift the human circadian clock.

6 Sep 2023

Sleep dysfunction is underreported and underrecognized in Huntington's disease

A good night's sleep is essential for everyone. In individuals with Huntington’s disease (HD), sleep disturbances constitute an additional burden that may exacerbate disease outcomes and impact patients’ quality of life.

21 Aug 2023

Low-dose atropine eyedrops not effective in slowing myopia progression in children

A study conducted at Vanderbilt University Medical Center and 11 other hospitals and practices across the United States shows that use of low-dose atropine eyedrops, commonly used in a higher dose to treat lazy eye, was no better than a placebo at slowing myopia (nearsightedness) progression and elongation of the eye among children treated for two years.

1 Aug 2023

Enhanced light sensitivity may worsen Alzheimer's symptoms

New Alzheimer’s research from UVA Health suggests that enhanced light sensitivity may contribute to “sundowning” – the worsening of symptoms late in the day – and spur sleep disruptions thought to contribute to the disease’s progression.

28 Jul 2023

Unique plant extract mixture has potent anti-acne effects

Researchers evaluate the efficacy of FRO, a formula composed of fermented Rhus verniciflua Stokes and Orostachys japonicus, against acne pathogenesis via antimicrobial assessment and an in vitro analysis. FRO was found to contain phenolics such as gallic acid, fisetin, quercetin, and kaempferol and was determined to alleviate acne by inhibiting the growth of Cutibacterium acnes, inflammation, and excess sebum.

9 Jul 2023

Light therapy may benefit heart health and longevity

Light therapy has demonstrated its usefulness in treating a variety of diseases. But can it delay the occurrence of age-related disease?

27 Mar 2023

Immunosuppressive drug methotrexate linked to increased risk of three types of skin cancer

The immunosuppressive drug methotrexate (MTX) can be linked to an elevated risk of three types of skin cancer, a new study by University of Gothenburg researchers shows.

7 Feb 2023

Next-generation light-activated nanotech can eradicate antibiotic-resistant superbugs

It's 'lights out' for antibiotic-resistant superbugs as next-generation light-activated nanotech proves it can eradicate some of the most notorious and potentially deadly bacteria in the world.

16 Jan 2023

Light therapy could be a promising non-drug treatment option for multiple sclerosis-related fatigue

Multiple Sclerosis (MS) is almost always accompanied by fatigue, a massive tiredness that is described by the vast majority of patients as the most distressing symptom.

12 Dec 2022

Laser light therapy effective in improving working memory

Laser light therapy has been shown to be effective in improving short term memory in a study published in Science Advances.

2 Dec 2022

New research sheds light on how teens can get more sleep

Adjusting to a new sleep schedule at the start of the school year can lead to disturbed rest, daytime fatigue and changes in mood and focus for teens.

3 Oct 2022

Study sheds light on how seasonal changes in day length alter the brain and subsequent behavior

Seasonal changes in light -; longer days in summer, shorter in winter -; have long been associated with human behaviors, affecting everything from sleep and eating patterns to brain and hormonal activity.

2 Sep 2022

Researchers suggest that visible blue light is a safe and variant-agnostic therapy against SARS-CoV-2

In a new study, researchers showed that 425 nm blue light can inactivate all major SARS CoV 2 variants.

4 Feb 2022

Photobiomodulation may accelerate the healing of skin damage from radiation therapy

Light therapy may accelerate the healing of skin damage from radiation therapy by up to 50%, according to a recent University at Buffalo-led study.

27 Jan 2022