Yes, I agree. Since it's a relatively new technology, there's little research to establish the long-term consequences, good or bad, of social media use. However, multiple studies have found a strong link between heavy social media and an increased risk for depression, anxiety, loneliness, self-harm, and even suicidal thoughts.
The greatest challenge to forensic science isn't any one drug, but a combination of drugs and chemicals and their complex reactions. The longer the drug remains in the body, the more it is metabolized into another substance.