Starvation

Hunger is a derived statistic in Fallout: New Vegas in Hardcore Mode.

Characteristics
Hunger is affected by certain consumables and other things. Hunger decreases your strength as it progresses. Hunger comes on more slowly than dehydration. You will die after five weeks if you do not eat.

Stages of starvation
Minor Starvation(200-399): Strength -1

Advanced Starvation(400-599): Charisma -1, Strength -2

Critical Starvation(600-799): Perception -1, Charisma -2, Strength -3

Deadly Starvation(800-999): Perception -2, Charisma -2, Strength -3