You can make educated guesses about the effects, but at the end there is no substitute for genuine data. You'd think that a good enterprising chemist makes fie

You can make educated guesses about the effects, but at the end there is no substitute for genuine data. You'd think that a good enterprising chemist makes field trials and pays close attention to user reports: "Hey, I love the pills with the skull on, but those with the rabbit just give me palpitations."