A popular diet enzyme seems harmless enough until test subjects turn into crazed lunatics who will stop at nothing to get red meat.

• “僵尸星球”对美国人着迷的燃烧炭水化合物减肥开了一个恐怖玩笑。一种流行的节食酵母看起来无害，但最终能导致人们疯狂的，无法克制的猎食生肉。