Steer Clear
Tanning Beds
The UV source that's even worse than the sun and worse for your skin? Tanning beds. And if you still visit them, take a moment to let this sink in: "There is an epidemic of melanoma in Caucasian females in the U.S. between the ages of 15 and 39, traceable directly to tanning salons," says Dr. Schultz. "The casual relationship between skin cancer, especially lethal melanoma, and UV is now proven." There's no other way around it: Avoid tanning beds all together to protect your skin for the long haul.
Refined Carbs
Research suggests that foods with a high glycemic index, such as pasta or bread made from bleached flour, can worsen breakouts, says Layne Lieberman, an award-winning registered dietitian, culinary nutritionist and author of "Beyond the Mediterranean Diet: European Secrets of the Super-Healthy." "This may be linked to a disruption in the body's hormonal balance because these foods can cause a rapid rise in blood sugar, which trigger a rise in insulin production," she says. "Insulin is closely connected to the other hormones in your body, including estrogen and testosterone. Swap white bread with whole grain varieties made with organic and ancient grains, such as quinoa, millet, barley and oats.
Sugar
When it comes to acne instigators, chocolate gets an unfair portion of the blame. Let's go ahead and add candy, cake, soda and anything with processed sugar to the acne-causing list as well. Like refined carbs, sugar has a high glycemic index, which can worsen breakouts and throw off hormonal balance, says Lieberman. The good news is that chocolate itself (in raw, cacao form) is actually perfectly fine. Substitute dark chocolate with 90 percent cocoa for the sugary variations, suggests Lieberman, as your go-to sweet.
MORE: Sweet Sugar Substitutes
Alcohol
If you're one of the 16 million Americans living with rosacea—a red, acne-like skin disease that typically affects those older than 30—you already know that the best cure is learning to manage it. One of the worst skin offenders for those with rosacea? Alcohol, which dilates or expands the blood vessels, causing the skin to become redder than it already is, says Dr. Schultz.
Iodine
For anyone prone to acne, extra iodine can be a culprit of breakouts. The reason is a bit controversial, says Dr. Schultz, with one theory suggesting that it's due to an immunologic reaction that causes pus pimples and another suggesting that it's because of an increase of cells that line the follicle and causes clogs. Foods that are especially high in iodine include shellfish, kelp or seaweed, cod fish and yogurt. And be careful not to overdo it on the iodized salt, as well.
Additives and Preservatives
Since there's a direct correlation between healthy skin and healthy hormonal balance, avoid foods with additives, preservatives and any synthetic chemicals that might disrupt this balance. The best and easiest way to ensure you're avoiding them? Choose organic foods whenever possible, says Lieberman, which are guaranteed not to contain any added hormones or chemicals that could affect our hormonal systems.
