The diffrence between assertive and aggressive behavior is what

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Is tea good for you? if so what type of tea is good for you? and how much should i drink before it is a threat to my health?

Witch form of birth control could people use without. altering hormonal systems or blocking sperm from fertilizing an egg