 No more excuses. If you're over 50, get tested. Because colorectal cancer screening really does save lives. A message from HHS and CDC's Screen for Life campaign. LEAD, Law Enforcement Against Drugs and Violence, is the most rapidly growing drug and violence prevention charity in the United States. By using an evidence-based, tested, and proven effective curricula taught by law enforcement and educators, LEAD's school-based anti-drug and anti-violence program empowers children