Ensure that reproduction occurs early in stress filled environment
The best answer for this question would be:
biological and social
Medical anthropologist need to understand the source of their biological heritage and ofcourse the system of their bodies in order to understand their suffering. Social factor is also important, because it can tells them the source of their suffering.
Depends on what snacks. If it is unhealthy then no/false. If it is healthy then it is true.
Usually metric in milliliters
Frequently, you can not be fit if you do not do it often