SUNBURN RADIATION BURN LIVING TISSUE SKIN RESULTS OVEREXPOSURE ULTRAVIOLET THE SUN COMMON SYMPTOMS HUMANS OTHER ANIMALS REDDISH HOT TO THE TOUCH PAIN GENERAL MILD DIZZINESS UV RADIATION EXTREME EXPOSURE THE SKIN PRODUCE SUNTAN LEADING CAUSE SKIN TUMOR SUNSCREEN PREVENT SKIN CANCER PROTECTION MODERATE SUN TANNING BURNING AS IT AMOUNT MELANIN PHOTOPROTECTIVE PIGMENT SKINS NATURAL DEFENSE INCREASE PRODUCTION TRIGGERED DIRECT DNA DAMAGE CELLS DNA DAMAGED TYPE INITIAL REDNESS PROPORTIONAL SEVERITY DURATION INTENSITY EDEMA ITCHING RASH NAUSEA FEVER CHILLS SYNCOPE HEAT CAUSED CONCENTRATION BLOOD THE HEALING PROCESS FEELING CLASSIFIED THICKNESS BURNS MINOR NOTHING MORE TENDERNESS BLISTERING PAINFUL TO THE POINT HOSPITAL LESS THAN SECONDS EXPOSED WELDING ARCS SOURCES INTENSE ULTRAVIOLET LIGHT HARM IMMEDIATELY TURN IN AS LITTLE MINUTES TAKES MOST EXTREME HOURS AFTER BURN DEVELOP CONTINUE ULTRAVIOLET RADIATION CAUSES RISK MELANOMA CARCINOMA GREATEST CONCERN MANNER NUMBER PERSONS LIFETIME EPISODES ARTIFICIAL TANNING LAMPS ULTRAVIOLET GERMICIDAL IRRADIATION REACTION THE BODY DAMAGE THE FORMATION OF THYMINE DIMER THE DAMAGE TRIGGERS DEFENSE MECHANISMS DNA REPAIR APOPTOSIS REMOVE FUTURE WAVELENGTH ACTING PHOTONS CHEMICAL BONDS DIRECT ALTERATION GENERATION FREE RADICALS THUS INDIRECT DNA DAMAGE INFLAMMATION PROSTANOID BRADYKININ CHEMICAL COMPOUNDS SENSITIVITY THE THRESHOLD RECEPTOR ACTIVATION OVERPRODUCTION PROTEIN NERVE FIBRES SKIN TYPE DETERMINES EASE PEOPLE LIGHTER SKIN TONE GREATER REACTS CHILDREN YOUNGER ADULTS OLDER SIXTY SENSITIVE PHARMACEUTICAL PRODUCTS SENSITIZE CERTAIN ANTIBIOTIC ORAL CONTRACEPTIVE TRANQUILLIZER UV INDEX FACTORS TIME OF DAY DAYLIGHT SAVING TIME RAYS THE STRONGEST CLOUD COVER BLOCKED CLOUDS OVERCAST PERCENTAGE PASS REFLECTIVE SURFACES SEASON THE POSITION LATE SPRING EARLY SUMMER HIGHER ALTITUDE EASIER LESS EARTHS ATMOSPHERE BLOCK UV EXPOSURE FOR EVERY GAIN THE EQUATOR POLAR TROPICAL REGIONS THE CLOSER THE MORE SUNLIGHT THE ATMOSPHERE THE COURSE THE SOUTHERN UNITED STATES GETS FIFTY PERCENT NORTHERN UNITED STATES VARIATIONS PASSING TROPIC LATITUDES NORTH AND SOUTH ALL ELSE BEING EQUAL OZONE LAYER TERRAIN FULL LOCATION POLAR REGION TEMPERATE ZONES LATITUDE THE HIGHER UV RAYS NORTHERN HEMISPHERE THE MONTHS SOUTHERN HEMISPHERE DEPENDENT THE ANGLE DETERMINED THE HEIGHT RATIO OBJECT SIZE SHADOW SOLAR NOON SHADOWS MINIMUM SUNS RADIATION ONES NO OTHER EQUAL LENGTHS MEAN EYES BAND ALMOST NEVER EXCEPT LONGER SIMPLY PREVALENT GROUND LEVEL RECENT CHEMICAL ATMOSPHERES AVERAGE STRATOSPHERIC OZONE EARTHS SURFACE OZONE DEPLETION SEASONAL OZONE HOLE CHANGES SUNTANS NATURALLY INDIVIDUALS MECHANISM AGAINST THE SUN VIEWED THE WESTERN WORLD DESIRABLE THE NATURAL TANNING LAMP EFFECTIVE REDUCE REACHING STRENGTH PUBLISHED THE WORLD HEALTH ORGANIZATION LIMIT MIDDAY SUMMER SUN WATCH SEEK PROTECTIVE CLOTHING GENERALLY WHEN THE SUN CLOSE HIGHEST POINT IN THE SKY TIME ZONES DAYLIGHT SAVING THIS IS NOT HOURS COMMERCIAL AVAILABLE UV LIGHT SUNSCREENS SUN PROTECTION FACTOR ABILITY ONLY IF SQUARE TRANSLATES COVER THE WHOLE BODY ADULT MALE MUCH MORE IN PRACTICE PROTECT UVA RADIATION SKIN AGING RESEARCH THE BEST APPLICATION NECESSARY RUBBING LABEL MDASH WATER THE PRODUCT SQUAMOUS CELL CARCINOMA EVIDENCE BASAL CELL CARCINOMA ADVICE RATES WEARING SUNGLASSES SUN EXPOSURE PERIODS PEAK TASK FORCE VITAMIN D DEFICIENCY USAGE SPECIAL WELDING HELMETS SHOULD CARCINOGENIC PRESENT NORMAL FILTERED THE EYES SNOW BLINDNESS USE BY GLASSES HARMFUL DEVELOPMENT OF MACULAR DEGENERATION PTERYGIUM CATARACT CONCENTRATED FRECKLES DIETARY INFLUENCE RECOVERY COMPLICATIONS ANTIOXIDANTS ESSENTIAL VITAMINS EFFECTIVENESS HUMAN ANIMAL STUDIES VITAMIN C VITAMIN E STUDY REVIEW OF SCIENTIFIC LITERATURE BETA CAROTENE EVIDENT WEEKS SHOW FOODS TAKEN PERIOD PRIMARY MEASURE HEAL DRUGS IBUPROFEN NAPROXEN ASPIRIN DECREASE LOCAL ANESTHETICS BENZOCAINE TOPICAL STEROIDS CREAM DO NOT HELP THE AMERICAN ACADEMY OF DERMATOLOGY SAYS DISCOMFORT COOL CLOTHS SUNBURNED LOTIONS ALOE VERA AREAS MOISTURIZER