I believe that they are becoming more concerned for zoonotic disease because it is becoming more and more common for these animal transmitted disease to spread, such as ringworm or hookworms. The factors that would make these more of a threat would likely be the amount of people with animals or the other animals or people their animals are around or not taking your animal to the vet upon signs of seeing symptoms of declining health.
The answer is most likely than, it is because the poor does not acquire large sum of money where in they could use to ensure safety in terms of their health. Such as having enough money to have regular check ups, vaccines or medicine. They would likely spend the money that they acquire to food and shelter because it is more essential to them. That is why they are prone to have or acquire diseases than the affluent.
I'm not sure if you have choices or not but many abusers use substances to numb feelings in order to avoid negative feelings.
Numb
<span>The factors that affects decision-making are the following: attitude, emotions and ethics. These three factors will help you make a decision that will make you make the "right" decision. It differs from one person to another but decisions are considered right if it makes you feel satisfied</span>
The answer should be Morbidity, survival, and longevity.