Final answer:
Without specific data supporting the claim regarding motorcycle riders' likelihood of alcohol consumption before a crash, we cannot say the statement is true or false. Accurate statistics are needed to determine the validity of the claim.
Step-by-step explanation:
The statement regarding motorcycle riders and alcohol consumption before a crash suggests a health and safety issue related to driving behaviors. However, the data provided does not include specific statistics on alcohol consumption of motorcycle riders compared to drivers of other vehicles prior to a crash. Therefore, without specific data supporting the claim, we cannot definitively answer the true or false question. It's important to rely on accurate, up-to-date statistical data from traffic safety sources to answer this accurately.
It should be noted that alcohol or drug impairment significantly increases the risk of traffic incidents for all drivers, regardless of the vehicle type. The mention of increasing accidental deaths due to drug overdoses and the risk of head injuries implies a connection between substance use and traffic safety for all vehicle operators which includes motorcycles as well.
In the context of stolen motorcycles like Harleys, there is statistical evidence for a different claim stated, such as the proportion of stolen motorcycles relative to their market share. However, it is unrelated to the alcohol consumption among riders before crashes. These two concepts should not be conflated.