The answer is A, the immune system
The public health approach involves defining and measuring the problem, determining the cause or risk factors for the problem, determining how to prevent or ameliorate the problem, and implementing effective strategies on a larger scale and evaluating the impact.
People born without a corpus callosum face many challenges. Some have other brain malformations as well—and as a result individuals can exhibit a range of behavioral and cognitive outcomes, from severe cognitive deficits to mild learning delays.
Source: trust me bro
That can be taken many different ways maybe: they push themselves to hard and don’t know when to take a break or they cant settle down, sleep or, don’t know when to stop.
I think the correct answer is Cancer.
Not quite sure, because I only spent 1 year in health school..