The 4-Hour Body - An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman - Timothy Ferriss
I
tried other dosages. Eventually I tried zero pills per day. To my shock, zero pills per day
produced the same number of pimples as four or six pills per day. The conclusion was
unavoidable: the drug had no effect. (Many years later, research articles about antibiotic-resistant
acne began to appear.) Tetracycline is a prescription drug; it's not completely safe. I'd been
taking it for months.
My dermatologist had also prescribed benzoyl peroxide, which comes in a cream. When my
self-experimentation started, I believed that tetracycline was powerful and benzoyl peroxide
weak, so I rarely used the cream. One day I ran low on tetracycline. Better use the cream, I
thought. For the first time, I used the cream regularly. Again I was shocked: it worked well. Two
days after I started using it, the number of pimples clearly went down. When I stopped the
cream, two days later the number of pimples rose