Don't give out personal information (name, phone number, passwords, etc), never meet up with anyone, don't download anything suspicious, don't open emails or attachments from strangers, and don't show your face.
Alternating between running and walking can help lessen the damaging effects that running has on the body.
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