You have two relatives both 55 years old and both have always eaten a diet of primarily fast food. One of these relatives has severe heart disease and the other has low cholesterol levels and no sign of heart disease. What is the best explanation for this?
these relatives have the same genetic predisposition for heart disease
these relatives do not share the same genetic predisposition for heart disease
the fast food consumed is not bad for their heart health
the fast food consumed is good for their heart health
these relatives do not share the same genetic predisposition for heart disease
I agree.
These relatives do not share the same genetic predisposition for heart disease
The best explanation for the difference in heart health between these two relatives is that they do not share the same genetic predisposition for heart disease. While genetics can play a role in the development of heart disease, it is not the sole determinant of the condition.
When it comes to heart health, diet plays a crucial role. Consuming a diet high in fast food, which is typically high in unhealthy fats, sodium, and added sugars, is generally associated with an increased risk of developing heart disease. However, there are individual variations in how our bodies metabolize and respond to this type of diet.
In this case, one relative may have a genetic susceptibility to heart disease that is triggered by the consumption of fast food, while the other relative may not have the same predisposition. It's also possible that the relative without heart disease may have other lifestyle factors or dietary habits that contribute to their lower cholesterol levels and overall improved heart health.
Therefore, it can be concluded that the best explanation for the difference in heart health between these two relatives is their differing genetic predispositions for heart disease, as well as the impact of other lifestyle and dietary factors.