Saturday, October 20, 2012


8 Diet Tips to Conquer Cravings for Sweets


It has been estimated that the average American consumes 125-160 pounds of refined sugar each year. The high consumption of sugar in the western world is leading to an increase in a number of health conditions, including diabetes, certain forms of cancer, obesity and overweight, and tooth decay. Eating too much sugar can also have an impact on our mood by making us tired, irritable, anxious, or aggressive.

Unfortunately, it can very difficult to cut back on sugar. This is because human beings have a natural tendency to like sweet things — a nature's trick to save us from poisonous plants which usually have a bitter taste. A sweet tooth was valuable to the survival of our ancestors also because sugary foods provide a quick source of energy. The problem these days is that we eat far more sugar than our ancestors ever could. Also the type of sugar we tend to consume makes us more vulnerable to health problems: rather than indulging in healthy sweet treats like berries or fruit we often opt for unhealthy snacks containing concentrated amounts of white table sugar. This highly refined sugar has little nutritional value; yet it is high in calories.

Unfortunately, it can very difficult to cut back on sugar. This is because human beings have a natural tendency to like sweet things — a nature's trick to save us from poisonous plants which usually have a bitter taste. A sweet tooth was valuable to the survival of our ancestors also because sugary foods provide a quick source of energy. The problem these days is that we eat far more sugar than our ancestors ever could. Also the type of sugar we tend to consume makes us more vulnerable to health problems: rather than indulging in healthy sweet treats like berries or fruit we often opt for unhealthy snacks containing concentrated amounts of white table sugar. This highly refined sugar has little nutritional value; yet it is high in calories.

The paragraphs below present 8 diet-related tips that can help curb sugar cravings. Note: the information provided below does not constitute a substitute for professional medical or nutritional advice.


                                                   
                                       Walnuts are one of the best sources of serotonin.

#1:  Increase Brain Serotonin Levels Through Diet 

Studies suggest that decreases in serotonin levels can cause us to crave sugar. Serotonin is a chemical that functions as a neurotransmitter helping brain cells and other nervous system cells communicate with one another. Excellent sources of serotonin (more than 3.0 µg/g) include walnuts, pecans, plantains, pineapple, bananas, kiwi fruit, plums, and tomatoes.


#2:  Eat Plenty of Tryptophan-Rich Foods 

Tryptophan, an essential amino acid found in protein rich foods, serves as a precursor to serotonin, and therefore an adequate intake of tryptophan rich foods can help with sugar cravings. To get the most out of tryptophan, one should try to increase the blood levels of tryptophan, relative to the blood levels of the other essential amino acids, as other amino acids compete with tryptophan for entry to the brain. One way to do this is to consume some healthy carbohydrates together with the tryptophan-rich meal. Carbohydrates stimulate the production of insulin, a hormone which lowers the blood levels of all the essential amino acids, except tryptophan.

#3:  Consume Plenty of Foods That Provide B Vitamins 

B vitamins can be helpful for curbing sugar cravings. Vitamin B6 (pyridoxine), found in a variety of foods including beans, meat, poultry, fish, and some fruits and vegetables, can be particularly beneficial due to its role in the conversion of tryptophan to serotonin.

#4:  Ensure an Ample Supply of Glutamine
                                                      
                                                 Spinach provides plenty of glutamine.
Glutamine is an amino acid that provides energy in the brain and helps build and maintain muscle. It is commonly used by body builders to help reduce muscle deterioration during and post workout. Glutamine may also help reduce cravings for sugar and carbohydrates. This is likely to be a result of glutamine's stabilizing effect on blood sugar levels: when the levels are low, glutamine suppresses insulin to prevent further decline of the sugar levels. It also stimulates the release of glycogen to help increase the blood sugar to normal levels. Glutamine is found in many protein rich foods such as fish, chicken, beans, and dairy as well as in vegetables such as raw parsley, spinach, cabbage, and beets.

                                                          
                                  Chromium, abundant in onions, helps stabilize blood sugar levels.

#5:  Push Up Your Chromium Levels

Chromium, a mineral which plays an important role in stabilizing blood sugar levels, can help eliminate sweet cravings. Sometimes sugar cravings can simply be a result of chromium deficiency. Mild deficiencies in chromium are fairly common in countries where consumption of processed foods is common (processing decreases the chromium content of foods). Also physically active people, people who drink lots of coffee, and — interestingly — people who consume high amounts of sugar have an elevated risk of being deficient in chromium. Diets high in simple sugar strip the body of chromium, setting up a vicious cycle. Therefore, it is extremely important to consume high amounts of chromium rich foods such as romaine lettuce, onions, tomatoes, whole grains, and potatoes.

#6:  Increase Your Sensitivity to Leptin Through Dietary Choices 

The protein hormone leptin has been shown to promote development of gray matter in the part of the brain that regulates food cravings and can consequently result in fewer sugar cravings. It would seem logical to try to increase leptin levels in order to curb cravings. However, continuously high leptin levels may result in leptin insensitivity, which means that the body no longer responds to normal amounts of leptin and thus the body may crave even more sugar. The key is to make the body more sensitive to leptin. There are certain foods that appear to do precisely that, although the mechanisms by which they increase leptin sensitivity are not known. Fish seems to be particularly beneficial, but also pulses and other vegetables may help.

#7:  Choose Low-GI Foods

Carbs that have a high Glycemic Index (GI) rating are quickly broken down by the body and can thus cause rapid fluctuations in blood glucose levels, which can lead to cravings. In contrast, low-GI carbs take much longer to digest, providing the body with a slow, steady supply of energy. Most non-starchy vegetables, legumes and fruit have a low GI rating. In contrast, most refined carbohydrate-rich foods and potatoes cause rapid fluctuations in blood glucose levels and are thus rated high on the glycemic index.

#8:  Eat More Frequently Throughout the Day

One of the most common causes of sugar cravings is skipping meals. When you skip a meal or leave long periods between your meals, your energy levels drop, and as a result your body begins to crave sugary foods to give you a quick energy boost. Try eating five to six small meals a day throughout the day. This will provide your body with a more steady supply of energy.

Tuesday, October 16, 2012

Health Benefits of Pumpkin Seeds

Health Benefits of Pumpkin Seeds


  • Crunchy, delicious pumpkin seeds are high in calories, about 559 calories per 100 g. In addition; they are packed with fiber, vitamins, minerals, and numerous health promoting antioxidants.
  • Their high caloric content mainly comes from protein and fats. On the positive side, the nuts are especially rich in mono-unsaturated fatty acids (MUFA) like oleic acid (18:1) that helps lower bad LDL cholesterol and increases good HDL cholesterol in the blood. Research studies suggest that Mediterranean diet, which is liberal in monounsaturated fatty acids help to prevent coronary artery disease and strokes by favoring healthy blood lipid profile.
  • The seeds contain good-quality protein. 100 g seeds provide 30 g or 54% of recommended daily allowance. In addition, the seeds are an excellent source of amino acid tryptophan and glutamate. Tryptophan is converted into serotonin and niacin. Serotonin is a beneficial neuro-chemical often labeled as nature's sleeping pill. Further, tryptophan is a precursor of B-complex vitamin, niacin (60 mg of tryptophan = 1mg niacin).
  • Glutamate is required in the synthesis of γ-amino butyric acid (GABA). GABA, an anti-stress neurochemical in the brain, helps reducing anxiety, nervous irritability, and other neurotic conditions.
  • Pumpkin seeds are a very good source of anti-oxidant vitamin E; contain about 35.10 mg of tocopherol-gamma per 100 g (about 237% of RDA). Vitamin E is a powerful lipid soluble antioxidant. It prevents tissue cells from the free radical mediated oxidant injury. Thus, it helps maintain the integrity of mucus membranes and skin by protecting from harmful oxygen-free radicals. 
  • Pumpkin kernels are an also excellent source of B-complex group of vitamins such as thiamin, riboflavin, niacin, pantothenic acid, vitamin B-6 (pyridoxine) and folates. These vitamins work as co-factors for various enzymes during cellular substrate metabolism in the human body. In addition, niacin helps to reduce LDL-cholesterol levels in the blood. Along with glutamate, it enhances GABA activity inside the brain, which in turn reduces anxiety and neurosis. 
  • Furthermore, its seeds contain very good levels of essential minerals like copper, manganese, potassium, calcium, iron, magnesium, zinc and selenium. Just as in pine nuts, pumpkin seeds too are very rich in manganese (provide 4543 mg per 100 g, about 198% of daily-recommended intake). Manganese is an all-important co-factor for antioxidant enzyme, superoxide dismutase. It is therefore, consumption of pumpkin kernels helps the body develop resistance against infectious agents and scavenge harmful oxygen-free radicals.
Medicinal values of pumpkin seeds.

Research studies suggest that pumpkin seed to have DHEA (Di hydro epi-androstenedione) blocking actions. Thus, it cuts the risk of prostate and ovarian cancers.

In addition, experimental studies suggest that certain phytochemical compounds in pumpkin seed oil may have a role in prevention of diabetic nephropathy (kidney disease).

This Halloween, don't forget to save those pumpkin seeds after you scoop them out. Pumpkin seeds are not only delicious but also provide many health benefits. Here are ten:

Prostate Protection
They promote overall prostate health and alleviate the difficult urination associated with an enlarged prostate.

Improved Bladder Function
In some studies, pumpkin seed extracts improved bladder function in animals.

Depression Treatment
They contain L-tryptophan, a compound naturally effective against depression.

Prevention of Osteoporosis
Because they are high in zinc, pumpkin seeds are a natural protector against osteoporosis. Low intake of zinc is linked to higher rates of osteoporosis.

Natural Anti-Inflammatory
Pumpkin seeds effectively reduce inflammation without the side effects of anti-inflammatory drugs.

Prevention of Kidney Stones
They prevent calcium oxalate kidney stone formation, according to studies.

Treatment of Parasites They are used in many cultures as a natural treatment for tapeworms and other parasites. Studies also show them to be effective against acute schistosomiasis, a parasite contracted from snails.

Great Source of Magnesium
1/2 cup of pumpkin seeds contains 92% of your daily value of magnesium, a mineral in which most Americans are deficient.

Lower Cholesterol
Pumpkin seeds contain phytosterols, compounds that that have been shown to reduce levels of LDL cholesterol.

Cancer Prevention
The same phytosterols that lower cholesterol also protect against many cancers.
Pumpkin seeds contain phytochemicals, or plant chemicals, that may be beneficial for prostate health. They're available as snacks, or you can remove them from pumpkins and roast them at home. Pumpkin seed oil is also available as a dietary supplement. Speak to your doctor before taking pumpkin seed oil or using pumpkin seeds to treat prostate problems.

Pumpkin Seeds and your Prostate

Phytosterols
Phytosterols are plant chemicals that structurally resemble cholesterol. They may slow down the absorption of cholesterol in your digestive tract and reduce your total cholesterol and LDL, or low-density lipoprotein, cholesterol levels. Phytosterols may inhibit the growth of breast or prostate cancer or reduce your risk of these cancers. They may also reduce the symptoms of benign prostatic hyperplasia. Foods high in phytochemicals include unrefined vegetable oils, whole grains, legumes, nuts and seeds such as pumpkin seeds.

The Prostate

The prostate is part of the male reproductive system. It's a walnut-shape gland that surrounds the upper part of the urethra. Urine and semen are carried out of the body through the urethra. Prostatic fluid is forced through tiny ducts into the urethra during ejaculation, where it mixes with sperm and other fluids to form semen.

Benign Prostatic Hyperplasia

Benign prostatic hyperplasia, also known as BPH, is enlargement of the prostate. The prostate generally gets larger as men grow older, so elderly males are at greater risk for BPH than younger men. Symptoms of BPH include dribbling after urination, having a weak urine stream and being unable to urinate. Men may also have trouble emptying the bladder or may be incontinent. Waking at night to urinate is a common symptom, and people with BPH may have pain with urination or blood in the urine.

Pumpkin Seeds and BPH

Pumpkin seeds may reduce the symptoms of BPH by inhibiting testosterone, a male hormone that may be involved with the development of BPH. They also work as anti-inflammatory agents. Pumpkin seed oil may be as effective as saw palmetto for treatment of BPH, according to a study published in 2009 in "Nutrition Research and Practice." The researchers found pumpkin seed oil reduced symptoms and improved quality of life as much as saw palmetto and more than a placebo.


Read more: http://www.livestrong.com/article/521699-pumpkin-seeds-prostate-health/#ixzz29WKd5Smi http://www.nutrition-and-you.com/pumpkin-seeds.html
http://www.healthdiaries.com/eatthis/10-health-benefits-of-pumpkin-seeds.html