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Friday 15 May 2015

Best Bedtime Foods to Promote Sleep and Boost Metabolism

''It's okay to have a snack before bed, especially if it's been many hours since dinner. This will prevent you from going to bed hungry, which can interfere with sleep. However, now that you know it's okay to eat before bedtime, that doesn't give you free rein to finish off that carton of ice cream or leftover lasagna!
Best Bedtime Foods
Greasy or salty foods are tough on your bedtime digestion. Same with any food that's spicy or acidic, like tomato sauce or citrus fruits, which can increase heartburn. In addition, although ice cream is a popular late night and refreshing treat, the simple sugars can cause an increase in energy, or alertness which offsets that sleepy feeling.

The old adage about having a glass of warm milk before bedtime isn't a myth! Warm liquids make you sleepy by increasing body temperature. Also, dairy contains tryptophan plus calcium to boost your sleep-well chemicals.

The ideal snack before bedtime is about 200 calories and is a combination of carbohydrate plus a bit of protein. That's best to help you get to your happy place.

Calming components 

Tryptophan: An amino acid in turkey that purportedly increases sleepiness helps your body produce serotonin, or the feel-good hormone, which makes you feel calm and promotes good sleep. It works best when the stomach is empty or there's not too much protein in your system — so with turkey, the effect is somewhat dampened. Protein perks you up with the amino acid tyrosine, which is another reason why you don't want a protein-dense snack pre-bed. It takes about an hour for tryptophan to reach the brain, so plan the timing of your snack accordingly. Best sources for sleep: Whole grains and seeds. 

Melatonin: The same stuff that's affected by light and regulates your internal sleeping clock is also found naturally in some foods. Best sources for sleep: Oats and cherries. 

Calcium: Calcium can convert tryptophan into melatonin. Calcium is also important for nerve impulses, and a deficiency may interrupt your sleep. Best sources for sleep: Low-fat milk and yogurt. 

Magnesium: Helps decrease the production of cortisol, your stress hormone, that thwart a good night's sleep. Magnesium is also key for muscle contraction so that your legs aren't cramping up in the middle of the night. Best sources for sleep: Almonds and bran cereal. 

Potassium: Important to prevent muscle cramping and Restless Leg Syndrome, which can keep you up when you're trying to power down. Best sources for sleep: Banana and sweet potato. 
What to Eat?
Ten great bedtime snacks 
  • Oatmeal with sliced banana 
  • Edamame 
  • Air-popped popcorn 
  • Bran cereal with soy milk 
  • Whole wheat crackers with hummus 
  • Roasted pumpkin seeds 
  • Cherry smoothie (frozen cherries plus skim milk) 
  • Low-fat yogurt with ground flaxseed 
  • Whole wheat toast with almond butter 
  • A calming cup of chamomile tea
Sleep well tonight
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Posted by Wellness Lab 健康验血中心 on Thursday, May 14, 2015

Diagnosing Cancer Could Soon Be As Simple As Drawing Blood

Blood tests just may be the MVP of diagnostic tools. Researchers from the University of Bradford in England have developed a blood test that can detect whether or not you have cancer by analyzing white blood cells, according to a study published in The Federation of American Societies for Experimental Biology Journal.
Blood test are getting more advance
Knowing that white blood cells are under stress when fighting cancer, researchers decided to further stress the white blood cells by exposing them to UV light. They took blood samples from 208 subjects, 94 of were healthy and 114 who’d been referred to specialists for treatment of yet-to-be-determined illnesses. After stressing the white blood cells with UV light and measuring the damage done to DNA within the cells, the researchers found that more damage occurred in people who were ultimately diagnosed with cancer, meaning blood from people with cancer was distinguishable from the blood of people who were cancer-free.
Tumour Marker test available on many screening package
While it's currently possible to tell whether you're suffering from certain kinds of cancers by testing blood, those tests are specialized—they look for a specific marker within the blood that points to a specific type of cancer. "We know that not all cancers are the same, even within the same cancer type, like breast cancer," says Francisco J. Esteva, MD, director of breast medical oncology at New York University Langone Medical Center, who was not affililiated with the study. "Those different subtypes mean you'd need an extensive panel done to look for each molecular marker to make a diagnosis. But this new method, if the results are validated, would be a general way to look for different types of cancer with one test."
A simple Cancer Screening for Early Detection
The results could indeed have wide-reaching effects: Cancer could be easily ruled out in patients presenting with cancer-like symptoms but suffering from non-cancer illnesses, invasive diagnostic procedures like colonoscopies and biopsies could become unnecessary, and most importantly, cancer could be detected earlier than ever, increasing the odds of survival.

“These are early results completed on three different types of cancer and we accept that more research needs to be done; but these results so far are remarkable,” Diana Anderson, PhD, study author and chair of life sciences at the University of Bradford, said in a statement.
Always get a doctor advice before check up
A clinical trial to examine the test’s effectiveness is currently underway at the university, but the researchers are confident that they’ve got a game-changer on their hands. “The possibility of these results happening by chance is 1 in 1000,” said Anderson. “We believe that this confirms the test’s potential as a diagnostic tool.”

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Posted by Wellness Lab 健康验血中心 on Thursday, May 14, 2015

5 Super Alternative Fruits For Healthy Living

We are eating more fruit these days: bananas, apples, and oranges. Yes, they're good for you—but you're missing out. "Different fruits provide an array of disease-fighting vitamins, minerals, and antioxidants," says Joy Bauer, RD, author of Joy Bauer's Food Cures. In fact, broadening your horizons can measurably improve your health. Colorado State University nutritionists asked 106 women to eat 8 to 10 servings of produce daily for 8 weeks. Half the group chose from 18 different varieties, while the others ate the same 5 over and over again. Two weeks later, blood tests showed that the high-variety group reduced their rates of DNA oxidation, possibly making their bodies more resilient against disease; the other group had no change. 
Choose another alternative
Ready to mix it up? Here's a quickie primer on some of the smartest "exotic" picks based on their health benefits—and how to serve them in place of common favorites.

For Perfect Blood Pressure

Good: Bananas
Better: Fresh figs 

Why: Six fresh figs have 891 mg of blood pressure-lowering potassium, nearly 20% of your daily need—about double what you'd find in one large banana. In a recent 5-year study from the Netherlands, high-potassium diets were linked with lower rates of death from all causes in healthy adults age 55 and older.

You'll also get...a boost to your bones. Figs are one of the best fruit sources of calcium, with nearly as much per serving (six figs) as ½ cup of fat-free milk!

Shop for figs that are dry on the surface and feel heavy in the hand. A perfectly ripe fig may have slight cracks that are bursting with the fruit's sweet syrup.

Serve by chopping and adding to yogurt, cottage cheese, oatmeal, or green salads. Or, enjoy them as a savory snack: Cut a slit in the side and stuff with 1/2 teaspoon of a low-fat version of a soft cheese such as chèvre or Brie.

To Protect Your Heart and Fight Disease

Good: Red grapes
Better: Lychee

Why: A French study published in the Journal of Nutrition found that lychee has the second-highest level of heart-healthy polyphenols of all fruits tested—nearly 15% more than the amount found in grapes (cited by many as a polyphenol powerhouse). The compounds may also play an important role in the prevention of degenerative diseases such as cancer. "Polyphenols act like a force field, helping to repel foreign invaders from damaging your cells," says David Grotto, RD, author of 101 Foods That Could Save Your Life! 

You'll also get...protection from breast cancer. A recent test-tube and animal study from Sichuan University in China found that lychee may help to prevent the formation of breast cancer cells, thanks to the fruit's powerful antioxidant activity.

Shop for lychee with few black marks on the rough, leathery shell, which can be anywhere from red to brown in color. Look for fruit that gives when pressed gently. Shells should be intact and the fruit attached to the stem.

Serve by peeling or breaking the outer covering just below the stem; use a knife to remove the black pit. Add to stir-fries or skewer onto chicken kebabs to add a sweet, grapelike flavor.

For Beautiful Skin

Good: Orange
Better: Guava 

Why: One cup of guava has nearly five times as much skin-healing vitamin C (it's a key ingredient in collagen production) as a medium orange (377 mg versus 83 mg)—that's more than five times your daily need. Women who eat a lot of vitamin C-packed foods have fewer wrinkles than women who don't eat many, according to a recent study that tracked the diets of more than 4,000 American women ages 40 to 74. 

You'll also get...bacteria-busting power. Guava can protect against foodborne pathogens such as Listeria and Staph, according to research by microbiologists in Bangladesh. Also, a cooperative study by the USDA and Thai scientists found that guava has as much antioxidant activity as some well-known superfoods like blueberries and broccoli (though every plant contains a different mix of the healthful compounds).

Shop for guava using your nose. A ripe guava has a flowery fragrance, gives a bit to the touch, and has a thin, pale green to light yellowish rind.

Serve by adding to fruit cobbler recipes (the tiny seeds are edible) or simmer chunks in water as you would to make applesauce. Guava also makes a super smoothie: Blend ½ banana, ½ ripe guava, a handful of strawberries, ½ cup soy milk, and a few ice cubes.

To Lower Cholesterol

Good: Apples
Better: Asian pears

Why: One large Asian pear has nearly 10 g of cholesterol-lowering fiber, about 40% of your daily need; a large apple has about half that much. People who ate the most fiber had the lowest total and "bad" cholesterol levels, according to a recent study of Baltimore adults.

You'll also get...protection from creeping weight gain. The same researchers found that people who ate the most fiber also weighed the least and had the lowest body mass index and waist circumference.

Shop for pears with a firm feel; fragrant aroma; and blemish-free, yellow brownish skin. Some pears are speckled in appearance; the markings shouldn't affect flavor.

Serve by dicing it into a salad of Boston lettuce, crumbled goat cheese, walnuts, and mandarin oranges. Or, make it a dessert: Add peeled and cored pears to a saucepan with 1 cup white wine, 1 teaspoon honey, 1 teaspoon grated fresh ginger, and enough water to cover the pears. Cover and simmer 40 minutes or until pears are soft.


To Fight Cancer

Good: Watermelon
Better: Papaya

Why: It is one of the top sources of beta-cryptoxanthin, which research suggests can protect against lung cancer. Like watermelon, it is also a rich source of lycopene. "Although there is currently no recommendation for how much lycopene you should consume in a day, research shows that the nutrient may protect against several different types of cancer, including stomach, endometrial, and prostate," says Grotto.

You'll also get...better healing. Papayas may help speed burn recovery when used topically, thanks partly to the enzyme papain, which also aids in digestion. "Papain helps break down amino acids, the building blocks of protein," says Elisa Zied, RD, an American Dietetic Association spokesperson.

Shop for a papaya with yellow golden skin that yields to gentle pressure.

Serve by cutting lengthwise and discarding black seeds. Scoop the flesh using a spoon and sprinkle with lemon juice. Or combine chopped papaya, mango, red bell pepper, red onion, raspberries, lemon juice, and cilantro for a fruit salsa. Serve over grilled fish.
Enjoy Healthy living
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现在就下载我们Wellness Lab 验血中心的手机软件以得到更多健康知识及优惠活动吧!Download Our Wellness Lab Mobile Apps to get more health info and promotion now!
Posted by Wellness Lab 健康验血中心 on Thursday, May 14, 2015