Light therapy has been shown to be effective in 85% of SAD cases, says Dr Bijlani.
Light therapy (such as from exposure to the sun or another bright light) may also help get you back on track.
Other diffusion methods include aromatherapy, light therapy and the half-smile approach.
Unfortunately, to reap the benefits of the Optimal Light Therapy System, you have to spend 30 minutes with your face in front of a blinding, bright light.
There's a light at the end of the tunnel for sufferers, however -- one that doesn't require light-box therapy (see: right) or moving to Bermuda.
ENGADGET: Nothing quite as SAD as a phone without LEDs Mobile
Although several light and laser therapies have FDA approval as medical devices to treat acne, no true photodynamic acne therapy, combining photosensitizer and light, has been approved.
WSJ: As More Adults Get Acne, New Photodynmic Treatments Use Light
The nastiest-looking arteries might be stabilized with some form of local therapy, such as drug-coated stents, light-activated drugs to kill off inflamed cells or even gene therapy.
Photodynamic therapy involves the injection of a light-sensitive medicine called verteporfin into a vein in the arm.
In this regard, we need to examine existing cohorts of children who years ago were truly infected (or were assumed to be infected) and were treated not within hours of detection of virus but within weeks to months to determine if such cases had similar outcomes to the Mississippi child and can shed light on the timing and intensity of starting therapy.
Photodynamic therapy may not be the magic bullet for cancer, but even a little light relief is welcome.
But the London-based watchdog said it now accepted there was sufficient benefit to justify a green light for the worst-affected patients, on condition that those receiving the one-off therapy continued to be followed.
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