True or false? as biomedical and environmental sciences have conquered many of the diseases that killed people of previous generations, people in modern societies are dying of diseases caused by their behavior and the social environment.

The answer to the affirmation in the paragraph is:

- True.

Explanation:

Many of the diseases that currently suffer the people are caused by their behavior and the social environment, diseases that before don't exist but now, are more common than never, some examples of that are:

- Morbid obesity: the bad feed habits, add to a predisposition to increase their weight cause this disease which is currently too extended.

- Anorexia and bulimia: the obsession with some people to accomplish wrong standards make those people acquire mental and physics problems.

- Gambling addiction: The need to constantly obtain the sensation that the games give, has provoked this terrible problem.  

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .