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At NIDA , we are especially concerned about the non-prescribed , non-supervised use of anabolic steroids , as well as other prescription medications , since abusing these drugs can lead to serious health problems , some irreversible . If the sense of humiliation is sufficiently great , it can lead to extreme internal tensions within the country that had been thought of as the strongest military power . About 80 percent of hepatitis C infections become chronic and can lead to long-term health effects such as cirrhosis or liver cancer . Most patients suffer a form called ' relapsing-remitting ' MS , in which long periods of stability are punctuated by relapses that involve far more severe symptoms , and which can lead to worsening of day-to-day disability . Increased fecal coliform levels near shellfish beds can lead to shellfish bed closures .