To prevent cold weather injuries, what is a good practice related to moisture exposure?

Avoiding unnecessary exposure to cold moisture is crucial in preventing cold weather injuries such as hypothermia and frostbite. Cold moisture can increase heat loss from the body, leading to a rapid decline in body temperature. When skin is exposed to cold and wet conditions, it loses heat much faster than in dry conditions, making individuals more susceptible to cold-related injuries.

To mitigate this risk, it is essential to keep clothing dry and to avoid situations where one might be exposed to both cold temperatures and moisture for extended periods. This practice not only helps maintain core body temperature but also promotes overall thermal comfort, which is necessary for effective functioning in cold environments.

The other options, while they may play a role in overall safety and health in a cold environment, do not directly address the critical issue of moisture exposure as directly as avoiding cold moisture does. Maintaining personal hygiene is important for health, limiting physical activity can help conserve body heat but is not directly focused on moisture, and wearing heavy clothing at all times may not be practical or effective if the clothing is not moisture-resistant.