If you eat raw meat, you may contract Food Poisoning, which can prevent you from receiving health benefits from food until the effect wears off.
Cooked food restores more hunger than uncooked food. If you eat enough, you will receive the Well Fed bonus. As you become hungrier, your total available stamina will decrease, represented by a dark region inside the stamina bar. Most Survival features are disabled until after the quest Unbound is completed. Survival can be played on any Difficulty setting, with Legendary difficulty recommended for the most challenge. Survival Mode introduces several challenging changes to gameplay and new gameplay features in order to transform the majority of the map into a harsh, cold wilderness. If you start a new character, Survival mode does not enable until after you leave character generation.) Overview Unrelenting cold, harsh wilderness, famine and fatigue - do you have the strength to endure? (Creation features new gameplay mode including new UI, and can be turned on or off in Settings menu. Official Summary In Survival Mode, your greatest adversary is Skyrim itself.