Diacetyl morphine is commonly known as

What is mixed with tobacco and smoked in cigarettes?

Physical and mental dependency on any specific drug is known as

$S$ - Statement: Adolescence is the period between $12$ and $18$ years of age.
$R$ - Reason: Curiosity for excitement and adventure is necessary during adolescence.

Liver becomes a storehouse of fat instead of carbohydrate and protein. This is known as:

What is the main cause of concern for today's youth?