US health authorities classify social media as a "profound risk" to young people, in particular Dr. Vivek Murthy advises developing age restrictions and safety standards similar to other regulations, such as the minimum age to drive or use certain medications. Excessive use of social media can disrupt important behaviors, including sleep, memory, symptoms of depression, harassment, and anxiety, presents a risk of exposure to harmful content, including depictions of self-harm, "which can normalize such behaviors"