One longitudinal study revealed that most bad health habits from adolescence emerging adulthood.

Increased

Explanation:

longitudinal study can be regarded as a research design which encompass

repeated observations of the same variables, these could be people over short time period or long periods of time. It is a type of correlational research study that focus on looking at variables at extended period of time.

Instance of this is bad health habits such as Lack of Vegetables in ones Diet, not having enough sleep, smoking, not doing enough exercise and other various activities that are detrimental to our health can be carried longitudinal study on. According to longitudinal study revealed that most bad health habits from adolescence increased emerging adulthood.