What is Succumb to ?
Succumb to is (verb) 1. to give in to, to be defeated Whenever I pass a sweet shop I succumb to temptation and buy some chocolates. The stronghold finally succumbed after it was bombed. He suc- cumbed to pressure from his family and took a holiday. 2. to die from Cholera struck the refugee camps and thousands succumbed. They rapidly succumbed to the rigours of the Siberian winter.
source: Easier English, Student Dictionary Upper Intermediate Level