Answer:
Epidemiological.
Explanation:
Epidemiological study may be defined as the type of study that includes the different group of the human population to understand the factors that might affects the health.
This study also explains the risk of a particular factor in the population. In the given question, the study is done to understand the relationship between the delayed physical growth and low-income. This clearly explains the epidemological study and this study also have proper design to study the population in cohort.
Thus, the answer is epidemiological.
I think it's Conjunctivitis (also known as pink eye)
The midpoint of your body's weight is in your abdomen
True, Following the 8x8 rule is recommended in living a healthy life.
I need more info to answer this question