According to the study, what issues do family members tend to not talk about when revealing family history information that might require you to specifically ask about?

The correct answer is - mental disorder or illness or addictive nature.

Explanation:

It is found that the recent study on the history of the health of families that family members tend not to talk about the family history of addictive nature or mental or psychological problems.

They hesitate to disclose such family history that involve mental sickness in family or any type addictive behavior due to avoid embarrassing talk and physiological counseling.

Thus, the correct answer is -  mental disorder or illness or addictive nature.