Also tried "Most fun way to catch HIV":

  #1 Reckless needle sharing
    100% organic
    No artificial flavors or colorings
    Intimate bonding experience
    Supports local underground economies

  #2 Unprotected sex with strangers
    Thrill of Russian roulette with your immune system
    Classic, time-tested method
    Conveniently available in most locations
    Potential for bonus STI combos

  #3 Used Syringe Easter Egg Hunt
    Family-friendly format (for very progressive families)
    Element of surprise with every find
    Possible genetic recombination benefits
    Teaches children valuable sharing skills