Dean has been collecting data on the health risk related to eating too much fast food. Which of these would NOT be a valid conclusion that Dean could develop?

A) The food in fast food restaurants tastes really good.

B) People who eat fast food three times a week are more likely to be obese.

C) The chemicals found in the "special sauce" can be linked to acid indigestion.

D) Eating at fast food restaurants twice a week may lead to increased chance of heart attack.

Option (A).

Explanation:

Fast food is not good for health as it contains high amount of fat that cannot be easily digested in the body. The fast food are made in the oils that contain trans fat due to the use of same oil again and again.

The fast food increase the chances of obesity in the individual. The fast food can cause acid indigestion and increases the rate of heart attack. The conclusion that fast food is tasty in the restaurant will not useful in Dean collection. The tasty food does not show any effect on the individual's health and make their body condition worse.

Thus, the correct answer is option (A).

The answer is A, because this is linked to opinion while the rest is based on study and factual. If I were to make the claim, "fast food tastes good", it might hold true for a number of people, but also could be incorrect for many others as well.