Teh Tarik A Health Hazard

Last night, I'd read a forum about
"Teh Tarik A Health Hazard?"
People say drink teh with ice is no good..
will have diabetes!!
And what i heard is -->
putting ice into hot drinks will cause chemical reaction,
and the substance that is released is cancerous to the body..
Huh??like that mean cannot put ice lo...
What la..then how come can put ice
in beer, soft drinks??
But, I'm a teh ice rocks..
either drink it at mamak stall or as a breakfast fix..
whatever health warning is not going
to stop me from drinking..hehe...
What to do...I'm so emo+ing.....