Answer:
Look up cancer and see what it does to your immune system...
Explanation:
Explanation:
Limitations of Correlations
Correlation is not and cannot be taken to imply causation. Even if there is a very strong association between two variables we cannot assume that one causes the other. For example suppose we found a positive correlation between watching violence on T.V. and violent behavior in adolescence.
An important limitation of correlational research designs is that they cannot be used to draw conclusions about the causal relationships among the measured variables. Consider, for instance, a researcher who has hypothesized that viewing violent behavior will cause increased aggressive play in children
<span>you're performing cardiovascular exercise,
you don't work at too high an intensity level,
your heart is strengthened</span>
A cause for infection is pathogens entering the body. This is either to a disease that's being transferred from one being to another, or through toxins, wounds, and similar things. Most commonly, when fighting the infection, the body produces white blood cells to combat the infection, which in combination with medication usually defeats the infection.