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People need a model of acne that lets them make daily rational decisions that effectively help treat it.
Acne is clearly complicated, but if your model of acne is too complicated, then you end up in woo-woo land, doing liver flushes and unspeakable things in the bathroom, and compiling ever-expanding lists of forbidden food until all you can eat is bat guano gathered by virgins on the Isle of Crete in the month of September, and your bathroom contains more skin products than the local pharmacy.
Likewise, if your model of acne is too simple, then it simply doesn't work. Of course, anything works for someone simply because acne symptoms fluctuate over time (due to things you ignored in your too-simple model). Thus, the too-simple model simply adds to the enormous list of one-shot cures that has its own small set of prophets claiming "all you have to do is X", and if that doesn't work for you, then you didn't do X right, or hard enough, or with enough moral purity, etc.
The Zinc Hypothesis says that zinc is the factor that connects all the strange and weird things that make somebody have acne on some given day on the planet, everything from masturbation (losing zinc via semen) to eating bananas (eating copper-rich foods that can block zinc absorption). While it's exciting to think that it might be possible to connect all these many and varied dots, it begins to lead to woo-woo land, since zinc is so ubiquitous in the body it can be connected to anything, but what you need to know is what matters. After some tinkering, I'm ready to take a stab at defining priorities that matter, and hopefully making a model that's simple enough to be useful, but not so simple that it's ineffective.
Simplified Zinc Model of Acne
This model (trying to leave out any biochemistry terms) claims that much chronic acne can be treated successfully if only three things happen:
- You have sufficient zinc available in your body.
- You have a normal nightly melatonin cycle to drive the zinc to where it needs to be in the cells of your body.
- You don't eat dairy unless you've proven you're one of the lucky folks for whom acne is not worsened by dairy.
That looks like a too-simple model (and it definitely is highly simplified), but it's not simply because a) having sufficient zinc is not as simple as just taking a pill and b) having a normal melatonin cycle is not as simple as just going to sleep. But, my hope is that tying all aspects of the regimen to these two simple goals can help someone have a coherent view of what works and why.
Why is dairy different? The mechanism by which zinc/melatonin treats acne probably, in part, involves dampening the production of some hormones. Milk is filtered cow's blood, so it can deliver hormones to you already 'rarin to go -- too late for zinc/melatonin to do anything about them. If you're not 100% sure dairy is no problem, just give it up and if the regimen makes you clear, you can always retest by adding it back in.
Having Enough Zinc
You would think that all you have to do to have enough zinc in your body is take a zinc pill. Indeed, I started down this path when I saw that taking a very large dose of zinc got me 100% clear for the first time in 30 years -- but I couldn't take a megadose of zinc forever, so I had to learn how to make a normal-sized dose work.
Unfortunately, science has not yet figured out the best way to get zinc in your body, or even how to test to see if you have "enough" zinc. It has figured out that just taking a normal zinc supplement might do you no good at all, due to other factors. Here's a list of tips for taking a normal dose of zinc and having it be effective:
- Don't be Vitamin D deficient. The Vitamin D Council can tell you how. It is a recent discovery that being Vitamin D deficient can keep a zinc pill from raising your serum zinc levels at all. This helps explain why taking a zinc pill seems to help some people, and doesn't seem to help others at all. It can take as long as 3 months to get your Vitamin D levels up to a reasonable level by taking pills.
- Get your Vitamin A by eating a carrot (or other carotenoid), not from a pill. Vitamin A pills can interfere with Vitamin D; that means forgetting the much-revered cod liver oil.
- Take the zinc with Vitamin B6. There's some indication B6 increases absorbability.
- Take the zinc on an empty stomach just before bed. That lowers the odds that something you ate that has a lot of copper in it will block absorption. Copper and zinc probably compete in the intestine to be absorbed. Don't buy the kind of zinc that actually contains copper, 'cause that's basically nuts. :-)
Have a Normal Melatonin Cycle
Every night, the pineal gland in your brain is supposed to notice that your eyes haven't seen any light in a while, and start cranking out melatonin into the bloodstream. The melatonin would make you sleepy and perform many, many other functions -- one of which probably stimulates the use of zinc. As the night goes on, the pineal gland is supposed to ramp up its production of melatonin to high levels. As the dawn comes, the light from the coming sunrise gets through your eyelids, hits your retina, and sends an ever-increasing signal to the pineal gland that tells it to start shutting down production of melatonin so you can wake up and not feel sleepy and groggy.
Or, maybe you get up at 2am to go to the bathroom, flip on blinding makeup lights, and slam your pineal gland with a giant SHUT OFF signal just as it was really getting going. See how easy it is to not have a normal melatonin cycle? When Cordain studied primitive tribes and could not find a single zit on anybody, he made the plausible conclusion that this was because of their diet. But of course, another stark difference between those tribes and us is that they have no artificial light. They have to go to sleep at about the same time every day, they have to get a fair number of hours of sleep (nothing else to do!), and they have no artificial lights to interfere with their melatonin cycle (they probably also get more zinc in their diets, since they don't eat the results of industrialized farming). Notice that one of the biggest drug expenses in modern society is sleep aids; that should give you an idea of how common it is to not have a normal melatonin cycle. Easy rule of thumb: if you have to have an alarm clock to wake you up every morning, you don't have a normal melatonin cycle.
Tips for getting a normal melatonin cycle:
- Keep any light from reaching your eyelids when you sleep. Black out the bedroom. Wear a sleeping mask. Don't turn on lights if you get up in the night. Don't have things with glowing LEDs in the bedroom.
- Go to sleep at the same time every day. Your melatonin cycle will not immediately move over 4 hours just because you stayed up late on the weekend. That's what we call "jet lag".
- Get >= 8 hours of sleep per night. Sorry, that's how we evolved. The study showing significantly less breast cancer in women who slept 9 hours instead of 8 (and way more cancer in women who slept 7) should be a clue. We're supposed to be knocked out by melatonin for > 8 hours so a lot of maintenance can get done. If your life is just too hectic to get more than 6 hours sleep a night, I suspect this regimen is not likely to get rid of your acne.
- Cut off your caffeine 8 hours before bedtime. Caffeine can depress melatonin; that's part of how it keeps you awake (duh!).
- Cut off sweets 8 hours before bedtime. Tryptophan is the fuel for making melatonin. Excess fructose can bind with tryptophan and keep it from getting into the brain. Easiest way to rule that out is just eliminate sweet things ahead of the time of day when tryptophan is trying to get into the brain.
- Aerobic exercise in the evening on an empty stomach. Evening is when blood levels of tryptophan are peaking, but the trick is to get it across the blood-brain barrier into the brain. Exercise pumps more blood through the carotid and increases the amount of tryptophan that makes it into the brain. The "empty stomach" part is just a brute force method of making sure you didn't recently eat something else that can block the tryptophan from crossing into the brain.
Notice that this regimen doesn't care what the heck you put on your skin. This model of acne says that by the time you see a zit, the battle is over and you're just tending the wounded, so do whatever you can. But the proper place to fight the war is upstream, before any zit could get started.
Notice that this regimen, apart from dairy, has no list of forbidden foods -- and yet can help explain how foods can exacerbate acne. This model only cares about the effect that food has on zinc and melatonin, so it tries to keep you from eating zinc-blocking copper near the same time you take your zinc pill. And it tries to keep you from eating tryptophan-blocking fructose near the time tryptophan needs to be crossing over into the brain to make the night's supply of melatonin. But other than dairy, this regimen says that if you're going to bed at 10pm then eat whatever the heck you want until 2pm.
An Actual Day in the Life
- 08:00am Wake up. No alarm clock. Even though there's tin foil on the windows, you just can't keep the sun out completely, so the light wakes me up naturally. Can tell I've been doing this a while because I'm not a morning person, so I normally wake up groggy, and only respond to questions with grunts until lunchtime. But after working on having a normal melatonin cycle for a week, I actually wake up feeling pretty alert, and can form complete sentences.
- 08:10am Skin care. Which consists of washing my face with a bar of Dove soap while I'm taking my shower. That was easy! Cheap, too!
- 08:30am Breakfast What to have? ANYTHING I WANT! (except dairy) Today, it's bacon and eggs (eggs scrambled with a bit of water, no milk) and a few blueberries (blueberries ought to have a decent zinc/copper ratio, but I'm just eating them 'cause they taste good).
- 12:30pm Lunch Heading to McDonald's. But first, I'll pop my first zinc pill of the day, along with the first of my 2-a-day Vitamin B pill that contains B6. I used to take all my vitamins right after lunch, but because I know the rules for zinc, I'm giving the zinc and B6 a running headstart to my intestines so that, if my lunch has foods with a lot of copper in it, the copper won't have a chance to block the zinc absorption. For the record, this is a 30mg zinc picolinate pill. I suspect the form of zinc doesn't matter nearly as much as the fact that I've been taking enough Vitamin D for enough months to know I'm not deficient. What's for lunch? 2 hamburgers, the enormously large fries, and a 32-ounce Coke jam-packed with lovely, lovely caffeine and high-fructose corn sugar. I feel only pity for anyone who has to eliminate all sugar from their diet to fight acne. Yummy! For dessert, I'll have a big chunk of my favorite chocolate bar (real chocolate, no milk/dairy product in there). Life is good!
- 06:00pm Exercise Time to try to move some tryptophan into the brain. Punch 35 minutes into the treadmill and hop on. The goal is to get blood moving, so I crank the incline and speed until I'm out of breath, then drop it to a fast walk and watch TV until I've totally recovered and am breathing normally. Then, I crank it up again and repeat. After about 3-4 cycles of this, I'm sweating and can feel the blood moving pretty good. After 30 minutes, I hit the 5-minute cooldown button, and 5 minutes later I'm done. Even couch potato me can work hard for a mere 30 minutes!
- 07:00pm Supper Haven't eaten anything since lunch, but this time I have some rules to observe. No Coke, no fruit, no sweets. Oh well, I have a Chicken Burrito Grande with black beans, big enough to choke a horse, and a bag of chips and salsa on the side. Yum! Ooops, dang it there's cheese in there! That's OK -- this regimen is not about food obsession. Maybe I'll pay for it tomorrow with a little zit. A little slip here and there is not the end of the world. I'll take my evening vitamin pills with supper, but not my 2nd zinc and Vitamin B tablet.
- 11:00pm Bedtime My normal tendency is to stay up to 1am, but after a week of working on my melatonin cycle, I'm starting to get sleepy earlier. So, I pop the 2nd 30mg zinc pill and the 2nd of my 2-a-day Vitamin B pills that contains B6, and go to bed. I used to read to fall asleep, but I'm starting to be able to just get in bed, turn out the lights, and be asleep in a few minutes. All the shades in the house are drawn, I have tinfoil on the bedroom windows, and if I could find my crappy nightmask I would wear that on my eyes, but I lost it. Oh well. If I get up in the night, I won't turn on any lights. I notice it seems like I'm less likely to get up in the night on this regimen.



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