The best way to stay safe in the outdoors is to be prepared, know the proper actions to take, and keep a cool head!

What about the Water - Good notes on the condition of backcountry water.
Snake Bites - Good information for snake bites
The Thru-Hikers Medical Guide - From Whiteblaze.net

OTT's Personal First Aid Kit recommendations:

Basic Tools
Knife with Scissors and Tweezers
Emergency blanket
Small mirror
Matches/lighter
Needle and thread
Safety pins
Duct tape

Bandages
Adhesive bandages (various sizes)
Elastic-wrap bandage
Butterfly bandages
Gauze pads
Triangular bandage
Gauze wraps
Compress bandage
Medical Tape

Medications/treatments
Antiseptic wipes
Lip Balm (with sun protection)
Anti-bacterial ointment
Vitamins
Aspirin
Ibuprofen
Salt tablets
Burn ointment
Antacid tablets
Prescription medicines
Insect repellent
Snake bite kit(Sawyer Extractor)
Calamine lotion
Eye drops
Moleskin/2nd Skin
Biodegradable soap
Antihistamine
Towelettes
Sunscreen