Obesity has become a more and more concerning problem that affects the whole world. Not just in the US, Europe and Asia all have to face the trouble of growing number of obesity people. Obesity not only affects people’s personal health status, but also has influence on the society. Obese people cannot work properly which causes economy loss while they have less money to pay for their medicines that leads to a negative loop. Recently, scientists find that obesity can affect people’s heart can increase the possibility of having heart diseases.

In the article from society for science, it is mentioned that people who have obesity usually have a bigger heart than the health people which will influence their health levels. They do a research by selecting 40 volunteers and divide into two groups, one full of obese people and one with the normal ones. Then they detect and scan their hearts’ images and analyze them. Form the data they collected, the scientists make the conclusion that there does exist a relation between obesity and heart. Obese children have enlarged hearts that interfered with how well blood pumped throughout their bodies and obesity changes their left ventricle to be thicker. Thus the scientists warn people about the negative consequences of obesity. On the other hand, the good news is that the rate of obesity people remains almost the same for many years.

Although this experiment seems well conducted and comprehensive, it is mainly an observational research and all the data collected are primarily from observations. This leads to the possibility that the final result can be affected by third variables such as original health status of the children, chance and so on. In other words, if this experiment is done in a reverse way, the possibility of getting the same conclusion in the end is less than 5%. In order to make this correlation more trustable, more researches should be made to prove and find the relation and causation since correlation does not equal to causation.

If the conclusion that obesity increases the possibility of getting a bigger heart which causes heart disease is true, it does reminds people to be aware of obesity. Just like what the article says, there is currently no solution on how to reverse heart disease in obese children, we should be careful on our health and be aware of the potential treats to our body.