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'I'm an ER doctor — these are the injuries I see most on 4th of July'

Ticks spread to new regions across America, bringing dangerous diseases and need for vigilance

Hiker disappears from ‘Edge of the World’ campground on trip with father

Arizona sheriff's office rescues hiker who went missing from 'Edge of the World' campsite area for 3 days

Hilton Head sees 2nd shark attack in one week amid busy summer vacation season

American Culture Quiz: Test yourself on beachside bars and coaster creations

Alligator injures girl swimming in popular summer state park destination

Invasive pests could stage dramatic comeback this summer, experts warn

More Americans seek eggs at home as chicken coop interest surges: What experts want you to know

Rattlesnake bites teen on southern state fishing trip