Searching for some sources about "chocolate can enhanced our life span"

dear science in school team,

iam gilang,
Iam Indonesian,

I've got a heavy home work from my lecturer.

she asked me to get some informations about "chocolate can enhanced our life span"

S.I.S team, could you help me to searching for it??

I've submitted my homework in next Saturday,
so, Iam very need it immediately.

please, help me.

thanks before.

sorry if my english isn't good enough!

e-mail: gilang_pbahar@yahoo.com