User blog comment:Lord Loss/Monster Hunter Theory... Blog/@comment-74.240.150.5-20120826174004/@comment-5020152-20120827174319

Waterblight, according to the Wyverian Artisan in MH3, is caused by water entering your lungs. So it would make sense that it would affect your stamina.

Dragonblight, on the other hand, is a condition that makes your head feel woozy. Don't ask me how that affects your Affinity.