SEASONAL AFFECTIVE DISORDER,SAD,ALSO KNOWN AS,WINTER DEPRESSION,WINTER BLUES,SUMMER DEPRESSION,SUMMERTIME SADNESS,SEASONAL DEPRESSION,MOOD DISORDER,SUBSET,PEOPLE,NORMAL,MENTAL HEALTH,THE YEAR,EXPERIENCE,SYMPTOMS,SAME TIME,WINTER,DIAGNOSTIC AND STATISTICAL,MANUAL,MENTAL DISORDERS,DSM IV,STATUS,CHANGED,LONGER,CLASSIFIED,UNIQUE,SPECIFIER,SEASONAL,PATTERN,RECURRENT,MAJOR DEPRESSIVE DISORDER,FULLY,REMITS,EXPERTS,SKEPTICAL,THIS CONDITION,COMMON,DISORDER,PREVALENCE,THE U S,RANGES,FLORIDA,ALASKA,NATIONAL LIBRARY OF MEDICINE,NOTES,MOOD,CHANGE,THE SEASONS,SLEEP,TOO MUCH,LITTLE,ENERGY,FEEL,DEPRESSED,CLEAR,THE CONDITION,IN THE SUMMER,ANXIETY,NORMAN E ROSENTHAL,COLLEAGUES,THE NATIONAL INSTITUTE OF,CLASSIC,CONSIST,WAKING UP,MORNING,NAUSEA,OVER EAT,CRAVING,CARBOHYDRATES,LEADS,WEIGHT GAIN,LACK,WITHDRAWAL FROM,FRIENDS FAMILY,SOCIAL,SEX DRIVE,ALL OF THIS,DEPRESSION,PESSIMISTIC,FEELINGS,HOPELESSNESS,PLEASURE,PERSON,SUFFERING,SPRING,SHOW,IRRITABILITY,APPETITE,LOSS,SOCIAL WITHDRAWAL,BIPOLAR,RELATED,BIPOLAR I DISORDER,BIPOLAR II DISORDER,BIPOLAR DISORDER,DISCRIMINATE,DIAGNOSES,DIFFERENCES,CASES,MAJOR DEPRESSION,REMIT,PATIENTS,PRESENT,RAPID CYCLING,EATING DISORDERS,EPISODES,GENDER,DISPLAYS,DISTINCT,MALES,HIGHER,NUMBER,FEMALES,SPECIES,ACTIVITY,DIMINISHED,MONTHS,IN RESPONSE,REDUCTION,AVAILABLE,FOOD,SUNLIGHT,DIURNAL ANIMALS,SURVIVING,COLD,WEATHER,HIBERNATION,EXTREME,EXAMPLE,DO NOT,HIBERNATE,EXHIBIT,CHANGES,BEHAVIOR,SCARCE,HUMAN PREHISTORY,TOWARD,ADAPTIVE,THE NEED,CALORIE,INTAKE,WOMEN,SUGGESTS,THE RESPONSE,REPRODUCTION,PROXIMATE CAUSES,SEROTONIN,POLYMORPHISM,PLAY,ROLE,DISPUTED,MICE,TURNING,ACETYLSEROTONIN,SEROTONIN N ACETYLTRANSFERASE,APPEAR,EXPRESS,FLUOXETINE,INCREASE,AMOUNT,ENZYME,ANTIDEPRESSANT,THEORY,CAUSE,MELATONIN,LIGHT AND DARKNESS,PINEAL GLAND,DIRECT,CONNECTIONS,RETINOHYPOTHALAMIC TRACT,SUPRACHIASMATIC NUCLEUS,RETINA,SECRETION,ENDOGENOUS,CIRCADIAN CLOCK,BRIGHT LIGHT,STUDY,WHETHER,PERSONALITY,TRAITS,CORRELATIONS,CERTAIN,NEUROTICISM,AGREEABLENESS,OPENNESS,AVOIDANCE,ORIENTED,COPING,STYLE,THE AMERICAN PSYCHIATRIC,ASSOCIATION,COURSE,DESCRIPTION,THE PATTERN,MAJOR DEPRESSIVE EPISODE,MUST,MEET,PARTICULAR,MANIA,HYPOMANIA,CHARACTERISTIC TIME,PATTERNS,LASTED,MAJOR DEPRESSIVE EPISODES,PERIOD,LIFETIME,THE MAYO CLINIC,VARIATIONS,BELIEVED,LIGHT,ARGUMENT,VIEW,EFFECTIVENESS,THERAPY,LATITUDES,THE ARCTIC,REGION,NORTHERN FINLAND,RATE,CLOUD COVER,NEGATIVE,EVIDENCE,DELAY,CIRCADIAN RHYTHM,DELAYS,IMPROVEMENT,MIMIC,DYSTHYMIA,POTENTIAL,RISK,SUICIDE,REPORTS,SUFFERERS,HOSPITALIZATION,ILLNESS,TIMES,RATHER,PERFORM,EVERYDAY,SUBSYNDROMAL SEASONAL,AFFECTIVE DISORDER,EXPERIENCED,POPULATION,THE BLUE,FEELING,SSAD,EXERCISE,OUTDOOR ACTIVITY,PARTICULARLY,SUNNY,DAYS,SOLAR,EXPOSURE,HUMAN,ENERGY LEVELS,DOCUMENTED,HEALTHY,INDIVIDUALS,LIGHT THERAPY,MEDICATION,IONIZED,ADMINISTRATION,COGNITIVE BEHAVIORAL THERAPY,TIMED,HORMONE,PHOTOPERIOD,ALTERATIONS,DURATION,AFFECT,EFFECTIVE,SAD LIGHT,USES,LIGHTBOX,EMITS,LUMENS,CUSTOMARY,INCANDESCENT LAMP,BRIGHT,WHITE,FULL SPECTRUM LIGHT,BLUE LIGHT,WAVELENGTH,GREEN,ACTUALLY,CYAN,BLUE GREEN,HISTORICALLY,THE PATIENT,SITTING,DISTANCE,FRONT,THE BOX,EYES OPEN,STARING,THE LIGHT,MINUTES,PUBLISHED,THE BLUE LIGHT,SHOULD,GREEN OR,ILLUMINATION,DISCOVERING,THE BEST,SCHEDULE,ESSENTIAL,UP TO,FIND,STOP,DAWN SIMULATION,PROVEN,RESPONSE,NEGATIVE AIR IONIZATION,WEEK,RESULTS,EVIDENT,WEEKS,YEAR ROUND,NATURALLY,SPENDING,OUTSIDE,COMPUTER,HELIOSTAT,WINDOWS,OFFICE,LEADING,ARTIFICIAL,LIGHTS,DONT,BLOCK,ULTRAVIOLET,RANGE,THE THREAT,SKIN CANCER,SSRI,SELECTIVE SEROTONIN REUPTAKE,INHIBITOR,TREATING,SERTRALINE,PAROXETINE,TRIALS,CONDUCTED,PROTOCOL,GENERALLY,BEGINNING,CLINICAL TREATMENT,BUPROPION,EXTENDED RELEASE,PREVENT,EIGHT,OPTIONS,CHARGED PARTICLES,THE SLEEP,ENVIRONMENT,NEGATIVE IONS,SUFFICIENT,DENSITY,QUANTITY,CONJUNCTION,MODAFINIL,EXPLANATION,VITAMIN D,GET ENOUGH,ULTRAVIOLET B,SKIN,ALTERNATIVE,LINK,ELDERLY,CHINESE,BRITISH WOMEN,PHYSICAL EXERCISE,ADDITION,MARKED,REGULAR,EXPOSED,BIKE,THE DAY,UNDERNEATH,UV LIGHT,SEEN,QUICK,RECOVERY,SLUMP,IN THE MOOD,INHABITANTS,NORDIC COUNTRIES,THE CENTURY,GOTH,SCHOLAR,JORDANES,GETICA,SCANDZA,SCANDINAVIA,ICELAND,SEEMS,EXCEPTION,ANXIETY AND DEPRESSION,SEXES,AUTHORS,PROPENSITY,GENETIC,FACTOR,ICELANDIC,CANADIANS,DESCENT,RECENTLY,ATTRIBUTED,FISH,TRADITIONALLY,EATEN,ICELANDIC PEOPLE,THE US,CANADA,GENETIC PREDISPOSITION,SIMILAR,ANOMALY,JAPAN,ANNUAL FISH,RECENT,PER CAPITA,THE UNITED STATES,DIAGNOSIS,ROSENTHAL,WONDERED,MOVING,SUNNY SOUTH,AFRICA,CLOUDY,IN WINTER,NEW YORK,EXPERIMENTING,INCREASING,ARTIFICIAL LIGHT,DIFFERENCE,GREATER,IRISH PEOPLE,SURVEY,THE SURVEY,SHOWS,THE NETHERLANDS,SUFFER,REPORTED,THE EARLY,ASSOCIATES,DESIRE,DISCOVER,THE DARK,NORTHERN US,NATURAL LIGHT,THE PHENOMENON,PLACEBO CONTROLLED STUDY,PAPER,RESEARCH,IDEAS,GREETED,SKEPTICISM,BOOK,THE STANDARD,INTRODUCTION TO,SUBJECT,HERB,KERN,ENGINEER,FELT,DISCUSSED,THE IDEA,SCIENTISTS,RHYTHMS,MUCH BETTER,THE SAME WAY,SEASONAL EFFECTS ON SUICIDE,RATES,