Infectious diseases obviously affect us; our personal health, and the personal health of other people. If someone else has an infectious disease then you would probably stay away from such a person. If you had an infectious disease, other people would probably stay away from you. This isn't true for noninfectious diseases where we don't have to worry about infecting or being infected by other people.
Answer:
D. Carl Hull
Explanation:
Carl L. Hull came up with the Theory of drive-reduction. He proposed that motivation is triggered by biological needs for survival. When an individual feels unwell for example, he will find ways to reduce the unpleasant state that they are in. The person is driven by the need to reduce the feeling, that's why it's called the drive-reduction theory.
Answer:
your answer is cocaine
Explanation:
cocaine causes heightened self esteem while also causing the person to act immedeatly without thinking thus leading to dangerous actions
Answer: nicotine
Explanation:
Makers of e-cigarettes and other ENDS often claim the ingredients are safe. But the aerosols (mixtures of very small particles) that these products produce can contain addictive nicotine, flavorings, and a variety of other chemicals, some known to be toxic or to cause cancer. The levels of many of these substances appear to be lower than in traditional cigarettes, but the amounts of nicotine and other substances in these products can vary widely because they are not standardized. The long-term health effects of these devices aren't yet known.