The sugar of the milk is called
Glucose
Lactose
Galactose
To drink milk changed our genes
Regarding to milk and cancer, it is true that
The calcium of the milk protect us against colon cancer
There is no evidence of milk and cancer connection
Both are correct
Milk is good for vegetarians because
It is a source of B vitamines
It is a source of vitamine C
Real alternatives to milk would be
Soy milk
Rice milk
Non-animal milk