of amino acids from protein produces urea, which requires large amounts of water to be excreted from the body. And without adequate carbohydrates, fats cannot be metabolized completely, and this leads to the formation of ketone bodies, which have a strong diuretic effect on your kidneys. Bottom line: high-protein, low-carbohydrate diets cause water loss from the body, which can ultimately affect the plumpness of your skin, leaving it dry and wrinkled.
THE BEAUTY DIET RX
For Thirsty Skin
Remember to drink my top two beauty beverages, water and green tea, on a daily basis. Take a bottle of water with you wherever you go and enjoy green tea with an afternoon beauty snack.
Eat quality fats to build flexible cell membranes. It is not difficult to get enough omega-6 fatty acids from your diet because they are relatively common, but you'll want to make a special effort to add more sources of omega-3s. Among my Top 10 Beauty Foods, the significant sources of omega-3 fatty acids are salmon, walnuts, and spinach. Other fatty fish rich in omega-3s include mackerel, herring, sardines, and trout.
Sprinkle flax, hemp seeds, walnuts, or pumpkin seeds on your salads for additional omega-3s.
Avoid very-high-protein, low-carbohydrate diets.
If you enjoy alcohol, limit it to one beverage and drink lots of water before and after.
Limit caffeine to 300 milligrams per day (two large cups of coffee).
So what can do you to keep your skin hydrated adequately? For one, drink plenty of water and green tea, my favorite beauty beverages. In addition to drinking plenty of fluids, it's important to consume quality fats to keep the lipids in your skin abundant and flexible. The fats you eat are incorporated into your cell membranes, helping the insides of the cells stay plumped up with water. When you don't eat enough healthy fats, skin cells become more permeable and lose moisture. When that happens, your skin may get dry and sensitive, sometimes even red and rough.
Consuming essential fatty acids helps reverse skin problems like eczema, psoriasis, and dry, red, itchy skin. Qualityfats, like the omega-3 fats found in walnuts and fish oils, are a key component of the lubricating layer that keeps skin moist and supple. Numerous studies have shown that consuming increased levels of fish oils helps keep the skin flexible and helps skin retain its moisture content. In one study published in the
British Journal of Dermatology
, volunteers with psoriasis took either capsules of supplementary fish oil or identical-looking capsules of olive oil. The fish oil group had statistically significant improvement in all parameters. Another study published in the
American Academy of Dermatology
found similar results.
Finally, for maximum hydration, consider limiting your alcohol and caffeine intake. Caffeine causes water loss from your body, including your skin. Additionally, alcohol has a diuretic effect, so in excess it can dehydrate your skin. You might be familiar with the effects of alcohol on your skin when you wake up the morning after a night of drinking! Your skin might look wrinkled and dry. Alcohol can also cause redness and flushing of the face, due to its ability to dilate blood vessels.
2. Age-Proof Your Skin with Antioxidants
As you read in Chapter 1 , free radicals are electrically charged molecules produced by sun exposure, air pollution, and other toxins that attack the healthy cells of your body. Free radicals damage protein, DNA, cell membranes, mitochondria, and more.
One free radical can initiate a cascade of damage. Many free radicals together can cause extensive damage. As free-radical damage accumulates, irritation develops at the cellular level. In your skin this eventually manifests itself as fine lines, wrinkles, uneven and dull skin tone, and loss of firmness.
When free radicals target skin's support structures, your skin becomes a battlefield. When free radicals attack elastin,it loses its stretch, making skin saggy. When they attack
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