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"The major factor which stimulates weight gain in winter months is vitamin D. Human bodies get vitamin D from sunlight; as the hours of sunlight become less with the onset of fall, so our levels of vitamin D decrease. Low levels of vitamin D affect the brain's production of the hormone leptin. Leptin plays a vital role in controlling appetite and metabolism; so as the amount of vitamin D in our bodies decreases so does the leptin, and this causes an increase in our appetite and a change in our metabolism. Researchers at Aberdeen University found that obese people had 10% less vitamin D than people of average weight. The study also found that excess body fat absorbed vitamin D so the body couldn't use it. Scientists now believe that there is a direct correlation between obesity and low levels of vitamin D.

"High blood levels of leptin, a hormone that regulates appetite, may guard against Alzheimer's disease, new research suggests. "Hopefully, in 10 or 15 years this may be one of many agents that we use to reduce the risk of Alzheimer's disease," said senior study author Dr. Sudha Seshadri, an associate professor of neurology at Boston University School of Medicine. "Or it may be one of many markers that we measure in combination to predict risk." But many more studies of different population groups are needed to determine whether leptin can play such a pivotal role in predicting the risk of Alzheimer's, Seshadri said. The research, which was reported in the Dec. 16 issue of the Journal of the American Medical Association, was done because "there has been some data relating body weight to the risk of Alzheimer's disease," Seshadri said. "When we looked at animal studies, we found some data to indicate that leptin not only produces a feeling of satiety but also has a beneficial effect on the hippocampus. It was important to see if that was true in humans." The hippocampus is a portion of the brain that plays a role in important aspects of memory."

As we noted in this article back in July, there are several hormones and neurotransmitters that have noteworthy effects on appetite and eating behavior, and as a result are of much interest with respect to weight gain (or loss) and obesity. The two mentioned in that article were NPY and PYY. The protein leptin is another hormone of this sort. It is often discussed in connection with obesity, because it is believed to increase metabolism and decrease appetite (as a signal of satiety). Another hormone, ghrelin, is produced in the stomach as a signal of hunger, and so it increases appetite.

Mangoes are the richest source of most important vitamins (A, C, B, E, K), minerals, dietary fibbers, electrolytes and iron which are mostly required by the for better growth and development as well as being healthy and live life without any diseases and infections. It is liked by all people due to its nice color, taste, flavor and quality health aspects. I have mentioned below the few beneficial aspects of the mangoes which you must know to enhance your interest while eating mangoes: Benefits of Mango juice for Cancer Prevention Mango fruit has antioxidant compounds (such as quercetin, fisetin, astragalin, gallic acid, isoquercitrin, methyl gallate and etc) and lots of enzymes which help in protecting against various body organs cancers like colon, leukemia, breast, stomach, prostate, lungs, cervical, oral cavity cancers and etc. These compounds include, as well as the abundant. Polyphenols found in it acts as an anti inflammatory agent and restricts the growth of cancerous cells. The soluble dietary fibers, pectin found in it has property of decreasing the action of protein (galectin) found in the cancerous cells. Benefits of Mango juice for Heart health It contains highest level of soluble dietary fibers (pectin) and vitamin C which involves in lowering the bad serum cholesterol levels means Low-Density Lipoproteins as well as enhancing the good serum cholesterol levels means High-Density Lipoproteins thus keeps the heart healthy by keeping all the heart problems away. It is the rich source of potassium which involves in controlling the blood pressure thus heart rate. Benefits of Mango juice for Skin It is beneficial for the skin in both ways whether it is eaten or applied externally on the skin. It India juice has antioxidants which make the skin healthy, smooth, glowing and wrinkles free. It clear out the blocked pores and provides solution to get free from the pimples if applied on the face. It makes the skin glowing by reducing the dark spot

Mango is a summer delicacy which is consumed worldwide. They are juicy, sweet and act as a natural coolant which is very effective in beating the summer heat. Many varieties of mango are available in the market which have different taste and flavors. They are usually consumed raw and are savored in fresh salads and juices. Mango shakes, pickles, sauces, ice-creams and smoothies are prepared from mangoes which provide different blend of flavor to them. Let us find out the nutritional and health benefits of mango. Nutritional Benefits of Mango Juice provides around 60 calories for 100 grams of its serving. It contains a lot of phytochemicals and nutrients and is a rich source of carbohydrates and fibre. Antioxidants and Vitamins like Vitamin-A, B, C, E and K are present in it. Mango is also a good source of various minerals like Calcium, Zinc, Potassium, Iron, Magnesium and Potassium. Some Main Benefits of Mango Juice - Beneficial for Prevents Cancer: Mangoes are rich in antioxidants which restrict the oxidation of cells in the body. These antioxidants are quercetin, isoquercitrin, astragalin, fisetin, gallic acid and methylgallat. Even Vitamin-A and flavonoids like beta-carotene, alpha-carotene, and beta-cryptoxanthin present in mango prevents lung and oral cancer. Improves Brain and Health Memory: Mango Juice in Vitamin-B6 is found in abundance in mango which helps in improving brain function. It helps in maintaining an efficient nervous system. It is a mood vitamin and enhances mood and controls stress. Beneficial for Aids Digestion: Mangoes are a rich source of dietary fibre which helps in proper digestion. Fibres help with proper bowel movement and keep the digestive tract clean. Mangoes are alkaline in nature thus reduce acidity in the stomach. Various bio-active compounds like Esters, Terpenes and Aldehydes make mangoes even more potent against indigestion. Lowering Cholesterol: Mango Juice are rich in fibre which reduce bad choleste

Effect of vitamin D deficiency and replacement on endothelial function in asymptomatic subjects. Tarcin O, Yavuz DG, Ozben B, Telli A, Velioglu Ogunc A, Yuksel M, Toprak A, Yazici D, Sancak S, Deyneli O, Akalin S. J Clin Endocrinol Metab. 2009 Jul 7. [Epub ahead of print] PMID: 19584181 doi:10.1210/jc.2008-1212 Conclusions: This study shows that 25(OH)D deficiency is associated with endothelial dysfunction and increased lipid peroxidation. Replacement of vitamin D has favorable effects on endothelial function. Vitamin D deficiency can be seen as an independent risk factor of atherosclerosis. Hypovitaminosis D associated endothelial dysfunction may predispose to higher cardiovascular disease in the winter.