Extreme Sports, Extreme Underwriting?

An extreme sport is one which is defined as very dangerous and exciting as well as physically hazardous.
Many extreme sports have grown in popularity and evolved to become more hazardous. Some are un-regulated, or occasionally governing bodies are reluctant to release injury and fatality figures, making it hard to establish appropriate morbidity and mortality rates. What should underwriters take into consideration? 

Extreme Sports: what are they and does my insurance plan cover them?

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