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Light Therapy Portland OR

Light therapy helps with the treatment of skin disorders, sleep disorders, psychiatric disorders, seasonal affective disorders, wound healing, Parkinson's disease and more. See below for local businesses in Portland that give access to light therapy as well as advice and content on ultraviolet light and photodynamic therapy.

Legacy Sleep Disorders Center Legacy Good Samaritan Medical Center
(503) 413-7540
1015 NW 22nd Avenue
Portland, OR
Doctors Refferal
Necessary
Ages Seen
3 and up
Insurance
Insurance: Most insurance carriers accepted
Medicare: Yes
Medicaid: Yes

Providence Portland Medical Center Sleep Center
(503) 215-3095
4805 Ne Glisan Street
Portland, OR
Doctors Refferal
Necessary
Ages Seen
16 +
Insurance
Insurance: Most carriers okay - you may check with the department or your insurance ca
Medicare: Yes
Medicaid: Yes

Providence Milwaukie Sleep Disorders Laboratory* Providence Milwaukie Hospital
(503) 513-8383
10150 SE 32nd Avenue
Milwaukie, OR
Ages Seen
16 years and up

The Oregon Clinic
(503) 963-3185
1111 NE 99th Avenue
Portland, OR
Doctors Refferal
Required
Ages Seen
16+
Insurance
Insurance: Most plans accepted. Please call the office for more information.
Medicare: Yes
Medicaid: Yes

Keith L Ironside, MD
(503) 692-8560
9155 SW Barnes Rd
Portland, OR
Specialties
Internal Medicine, Pulmonary Diseases, Sleep Medicine
Gender
Male
Education
Medical School: Univ Of Mn Med Sch-Minneapolis, Minneapolis Mn 55455
Graduation Year: 1967

Data Provided By:
Oregon Sleep Associates
(503) 288-5201
2228 NW Pettygrove
Portland, OR
Doctors Refferal
Not required
Ages Seen
3 years and up
Insurance
Insurance: Most companies accepted. Call office for more information.
Medicare: Yes
Medicaid: No

Providence St. Vincent Sleep Disorders Center Providence St. Vincent Medical Center
(503) 215-8548
9155 SW Barnes Road
Portland, OR
Doctors Refferal
Necessary
Ages Seen
2 yrs. and up
Insurance
Insurance: Most insurances are accepted. Please call the sleep center or your insuran
Medicare: Yes
Medicaid: Yes

Pacific Sleep Program
(503) 228-4414
11790 SW Barnes Road
Portland, OR
Doctors Refferal
No, unless required by insurance
Ages Seen
12 - 101
Insurance
Insurance: Most standard insurances. Patient responsible for co-pays, etc.
Medicare: Yes
Medicaid: Yes

Northwest Sleep Health* Northwest Primary Care Group
(503) 353-1272
13518 SE 97th Avenue
Clackamas, OR
Doctors Refferal
Necessary
Ages Seen
13years and up
Insurance
Insurance: Accepts most insurances including Providence
Medicare: Yes
Medicaid: Yes

William Steven Herzberg, MD
(360) 256-8865
505 NE 87th Ave Ste 460
Portland, OR
Specialties
Neurology, Sleep Medicine
Gender
Male
Languages
Spanish
Education
Medical School: Stanford Univ Sch Of Med, Stanford Ca 94305
Graduation Year: 1989
Hospital
Hospital: S W Washington Med Ctr, Vancouver, Wa
Group Practice: Vancouver Neurologists

Data Provided By:
Data Provided By:

Light Therapy

 Light Therapy 

Circadian Rhythm

From the Latin circa (about) dies (a day), the circadian rhythm is the twenty-four-hour cycle of light/dark, wakefulness/sleep to which most human physiologic processes are set. At regular intervals each day, the body tends to become hungry, tired, active, listless, energized. Body temperature, heart-beat, blood pressure, hormone levels, and urine flow rise and fall in this relatively predictable, rhythmic pattern - a pattern initiated and governed by exposure to sunlight and darkness.

Experiments where humans were placed in isolation chambers, cut off from all potential environmental cues, have shown that, in the absence of natural daylight, rhythms are still maintained. But in the absence of the day light, the rhythms tend to deviate from 24 hours. For instance, the rhythms was found to expand to 24-30 hours, thus disrupting the biological processes over a long period of time.

The fact that animals and humans can continue to function according to daily and annual rhythms in the absence of external environmental stimuli means that animals and humans possess some kind of biological clock, which act as a backup mechanism in case it cannot get the proper stimuli from the natural events such as sunshine.

This behavior can be illustrated by our clocks. Let us say, our clock is running slow. Over a period of time, the clock may lag the actual time because of this defect. Usually, we will reset the clock when it gets far out of sync by other external stimuli like a radio or phone time. Now, if we do not have access to this external synchronizing signal, the clock can get far out of line with the reality. Our body clocks functions the same way. The biological clock can keep the time; but in the absence of correction from the day/light cycle provided by the sun, the biological clock tend go out of sync affecting our physical and mental health. A similar thing happens when we travel across time zones; we tend to experience what is known as "jet lag".

However, in the absence of natural light our body clocks may lose or gain a little time. This in turn could lead to the desynchronization of different rhythms. For example, in the absence of sufficient environmental light the sleep-wake and associated rest-activity rhythms may lengthen to a cycle of between 30 and 48 hours, while the temperature rhythm may remain at a period of, say, 25 hours. Such desynchronization of the body's intricate rhythms is suspected to trigger problems: hormonal imbalances, sleep disorders and mood disturbances.

Circannual Rhythm

Circannual rhythm is the annual or yearly cycle used by all living things.

Circaseptan Rhythm

Circaseptan rhythm is a seven-day cycle in which the biological processes of life, including disease symptoms and development, resolve. Many physicians believe that transplant patients tend to have more rejection episodes seven, f...

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