For example: if ((wet && cold) || (poor && hungry)) { System.out.println(I'm miserable!); The println statement will be executed if wet and cold are both true, or if poor and hungry are both true.
Smoking causes depression because of the withdrawal from a physically and psychologically addictive substance, called nicotine. Nicotine which acts as a receptor for the neurotransmitter, acetylcholine, indirectly stimulates the release of another neurotransmitter, dopamine, in the brainâs reward or motivation center.
Rating Newest Oldest. Best Answer: actually, nicotine is unusual in that it acts as both a stimulant AND a depressant-which is one reason why it is so addictive. it calms the nerves while creating a rush of energy, and has a mind-clearing effect similiar to caffeine...the more you smoke, the more u want.