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.
Brain. 1  Nicotine, the drug that makes tobacco addictive, goes to your brain very quickly. 2  Nicotine makes you feel good when you are smoking, but it can make you anxious, nervous, moody, and depressed after you smoke.eart. 1  Smoking increases your heart rate and blood pressure and causes heart disease and heart attacks. 2  If you try to do activities like exercise or play sports, your heart has to work harder to keep up.