Original sentence: ), metabolic disturbances (such as hypothermia and heatstroke), simply losing the way, and other unsavory possibilities.Any outdoor activity entails many risks, even if participants do not recklessly place themselves in harm's way.However, with the correct precautions, outdoor recreation can be enjoyable and safe.These risks include bodily injury (sprains, falls, etc
Edited sentence: )  However, any outdoor activity entails risk, even if participants do NOT recklessly place themselves in harm's way: bodily injury through sprains and falls, metabolic disturbances such as hypothermia and heatstroke, having to sleep outdoors through losing the way, and other potentially unpleasant or dangerous possibilities.Hiking is meant to be enjoyable, and with the correct planning, preparation and precautions, it is one of the safer outdoor recreations.New hikers looking for pleasure rather than an endurance test can enjoy themselves enormously, without blisters or over-exertion, by a little research and a gentle build-up regime (a quarter-way through the hike is not the time to find that boots are not broken in.Two groups of people in particular should take care to avoid endangering others: novices should research what they intend to do and listen to advice, and people who regard hiking as a "challenge" or an opportunity to "push themselves to the limit" should take a responsible view of what their limits actually are.Without these, participants are recklessly placing themselves (and companions and mountain rescue teams) in danger