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News on Health & Science

Hot Chillies Can Help Mitigate Pain

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Capsaicin, the active agent in spicy hot chili peppers, often acts as an irritant, but it may also be used to reduce pain.

………………...CLICK & SEE
Feng Qin, associate professor of physiology and biophysics at the University at Buffalo School of Medicine, and Jing Yao used capsaicin to unravel how pain-receptor systems can adapt to painful stimuli.

For example, adaptation happens when your eyes adjust from a dark movie theatre during a matinee to the bright sunlight outside. Whether pain receptors truly adapt or rescale their responses (versus simply desensitising) has been an open question.

Scientists had previously linked the analgesic or pain-relieving effects of capsaicin to a lipid called PIP2, found in cell membranes. When capsaicin is applied to the skin it induces a strong depletion of PIP2 in the cell membrane.

“The receptor acts like a gate to the neurons,” said Qin. “When stimulated it opens, letting outside calcium enter the cells until the receptor shuts down, a process called desensitisation.”

“The analgesic action of capsaicin is believed to involve this desensitization process. However, how the entry of calcium leads to the loss of sensitivity of the neurons was not clear,” he said, according to a Buffalo release.

Capsaicin creams are commonly sold over the counter as effective treatment for a variety of pain syndromes, from minor muscle or joint aches to those that are very difficult to treat, such as arthritis and neuropathic pain.

Sources:The Times Of India

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News on Health & Science

Blood Group For Lower Malaria Risk

 

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The most common blood type in Indians seems to provide better protection against the most deadly form of malaria. British scientists have found that people with blood group O – around 38% of the Indian population – are naturally protected from some of the most severe forms of the disease, which kills around two million people annually across the globe……....click  & see

A team from Edinburgh University, with researchers in the US, Mali and Kenya, studied African children and found that those with this blood type were two-thirds less likely to experience coma or life-threatening anaemia conditions synonymous with severe malaria.

This discovery now brings hope of developing drugs which mimic the properties of red cells. In fatal malaria, it is often found that red blood cells infected by parasites block blood vessels which supply oxygen to the brain.

The malarial parasites arm the blood cells  surface with proteins which stick to blood vessel walls. O and B are the commonest blood group among Indians. Nearly 32% of north Indians and 38% south Indians have O blood group.

“The finding that red cells present in O group blood play the major role in preventing malaria from worsening is a significant finding for India. Blood is made of antigens or proteins, some of which show protection against certain diseases. Why that occurs has not been scientifically proven yet but statistically, they have shown significant protection rates,” blood safety specialist Dr Debasish Gupta said.

Edinburgh University’s Dr Alex Rowe, whose finding was published in the journal ‘PNAS’ on Tuesday, said, “This explains why some people are less likely to suffer from life-threatening malaria than others and tells us that if we can develop a drug to reduce rosetting and mimic the effect of being blood group O, we may reduce the number of children dying from severe malaria.”

The scientists found that malaria parasites recruit healthy RBCs to stick to the parasite, encasing the infected RBC inside a so-called rosette. It makes the blockage, and the disease, worse.

However, the team’s findings suggest that group O RBCs do not easily join rosettes as the cells surface structure prevents it from sticking. The study suggests that reduced rosetting of malaria parasites is the reason why people with group O blood are less likely to suffer severe malaria.

ABO blood group types were assessed on 567 blood samples from Malian children. We found that blood group O was present in only 21% of the severe malaria cases compared to 45% of other blood groups. Rosetting was shown to be significantly lower in parasite isolates from patients with blood group O compared to non-O blood groups,” the study said.

Source: The Times Of India

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Suppliments our body needs

Iron

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What is iron?

Iron is an important trace mineral found in every cell of the body, usually in combination with protein. Depending on the level of iron in the body, it can act either as an antioxidant, or it can stimulate the formation of free radicals.

Why do you need it?

Iron is an essential nutrient because it is a vital part of red blood cells, which carry oxygen to all body cells. Iron is essential to the formation of hemoglobin and myoglobin, which carries the oxygen in the blood and muscles. It makes up part of many proteins and enzymes in the body.

How much iron should you take?

According to the National Academy of Sciences, the recommended daily allowance (RDA) of iron is as follows:

* Adult men: between 10-12 milligrams/day
* Adult women: 15 milligrams/day
* Children aged 7-10: 10 milligrams/day
* Infants: 10 milligrams/day
* Pregnant/lactating women: 30 milligrams/day

What are some good sources of iron?

Red meat, fish, poultry, eggs, legumes and fortified cereals are all good sources of iron. Other sources include oysters, dried fruits, molasses, and dark, leafy green vegetables such as broccoli and spinach.

The best food sources of easily absorbed iron are animal products. Iron from vegetables, fruits, grains, and supplements is harder for the body to absorb. Mixing lean meat, fish, or poultry with beans or dark leafy greens at a meal can improve absorption of vegetable sources of iron up to three times. Foods rich in vitamin C also increase iron absorption.

What can happen if you don’t get enough iron?

Iron deficiency is the most common nutritional deficiency worldwide. Deficiency occurs in the form of iron deficiency anemia. Iron deficiency and anemia can occur during periods of rapid growth, during pregnancy, and among women who are menstruating more than usual. It can be associated with any type of intestinal loss of blood, frequent donation of blood, or from the inability to absorb iron efficiently. Initial symptoms of iron deficiency anemia are fatigue and lack of energy. Dizziness, weight loss, headaches and lowered immunity can also occur.

What can happen if you take too much?

Iron toxicity rarely develops from an increased intake of dietary iron alone; however, increased intake of iron supplements may lead to toxicity. Symptoms include fatigue, anorexia, dizziness, nausea, vomiting, headache, weight loss, shortness of breath, and possibly a grayish color to the skin.

Source:ChiroFind.com

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Fruits & Vegetables

Onion

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You are what you eat. Some of the gravest health problems can be caused by food and yet, food can also be a cure for many an ailment.

CLICK & SEE THE ONION PLANT 

Onion, like its cousin garlic, is a member of the Allium family. It is rich is certain sulphur-containing compounds. It is these compounds that are responsible for the pungent smell and fumes as well as the various health benefits,

It is Rich in chromium, Vitamin C and dietary fibre.

– Onions have blood sugar regulating effects due to its chromium content as well as increasing insulin availability. This makes it a friend of diabetics.
– Regular consumption of onion reduces bad cholesterol and high blood pressure. It also reduces atherosclerosis.
– Eating onions as little as 2-3 times a week significantly reduces risk of colon cancer
– Onions have this compound that inhibits the breakdown of bone cells thereby reducing osteoporosis.
– The anti bacterial property of onion has long been recognised by Ayurveda. The anti-inflammatory agents present in onions help reduce the cell-inflammation in conditions like asthma and respiratory tract infection. Onion soup could be nature’s own remedy to soothe a cold!

If you ignore the slight side-effect of onion-breath, onions can be just good for you.

Onions have been used for their medicinal properties for centuries. A paste or Ointment made out of onion is said to prevent infection in wounds and burns. Another use externally for age spots, warts, or freckles is to mix onion juice with vinegar and rub on the affected areas. One amusing bit of folklore says that if you put onion juice on your head and then sit out in the sun, you can cure baldness….

Onions and all the other members of the Allium family are thought to have some impact on high cholesterol and blood pressure. An onion Tea can be made and used daily, but I’m not sure how that would taste. The prudent thing for blood pressure and high cholesterol is probably to just include onions in your diet at every opportunity. Unfortunately, the down side to this is that onion compounds travel through the body when ingested and it takes time to process them out through sweat or breathing. Just brushing the teeth doesn’t make the odor go away. So, you’ll live to a ripe old age, but nobody will want to be around you…..

In Ayurveda both Charaka and Shushruta believed onion to be a strengthening food.

*Drinking the mixed juice of onion and bitter gourd cures severe indigestion.
*The juice of a boiled and crushed onion clears phlegm.
*Eating onion helps to clear phlegm from the throat and mouth. Teeth turn brighter. It sharpens the memory and strengthens the nerves.
*One spoonful of onion juice eliminates worms in the stomach of children

Handling onions
Next time you chop an onion and it stings your eyes, remember this is the compound that makes you cry and bestows so many benefits.

Some people soak the halved onion pieces in water before chopping it. But this process causes a loss of nutrients and you may not reap the full benefits of this vegetable. The best way to avoid the tears is to chill the onions for some time before you start chopping. Also, chopping onions in standing position will keep your eyes away from the line of fumes and lessen the eye irritatio.

Some ways to use onion in your diet:

*Use sliced onions in salads with tomatoes, cucumber slices and feta cheese, flavoured with salt, pepper and juice of a lime.
*Roast onion slices in an oven and use them as a garnish on curries and gravy vegetables.
*Make a paste of onions, tomato, garlic, ginger, red chillies and salt. Saut in a little oil and use as gravy for your favourite vegetables.
*Sliced onions can be cooked with any vegetable like cauliflower, gourds, peas, ladys finger, etc., to make a dry curry.
*Mix finely chopped onions in whole wheat flour, with a sprinkling of salt, pepper, ajwain (omum). Bind the dough and roll out into chapattis/parathas.
*Sliced onions can be added to any cooked lentils/ beans like tur dal, rajma, Kabuli chana, chana dal, black-eyed peas.
*Add finely chopped onions to fresh curds with some grated carrots to make a refreshing raita (pachadi).
SOME HEALTH BENEFITS OF EATING RAW ONIONS:-

Health benefits of eating raw onions: Cures constipation:

The fiber in raw onions help flush out toxins and hard food particles that get stuck in the intestines. If you are suffering from constipation, have raw onions.

An Ayurveda medicine for sore throat: If you are suffering from cold, cough and a sore throat, have fresh onion juice. Add jaggery or honey to the onion juice.

Remedy for bleeding problems: Have a bleeding nose or suffer from piles? Have raw onions. It is one simple and effective home remedy to cure piles naturally. To cure a bleeding nose, cut a raw onion and smell it for some time. The white onions can help cure bleeding problems.

Controls diabetes: This is one of the health benefits of eating raw onions. If consumed raw, onions increase the production of insulin. So, if you are diabetic, you have a good reason to munch crisp raw onion salad regularly.

Protects the heart: Regular consumption of raw onion protects the heart from coronary diseases. It control high blood pressure and also opens blocked arteries. This is one of the known health benefits of eating raw onions.

Controls cholesterol levels: The small herbaceous plant vegetable has a very good health benefit for obese people and heart patients. Raw onions control cholesterol by reducing the bad cholesterol (LDL) levels. It has methylallyl sulphide as well as the sulphur-containing amino-acids that lowers bad cholesterol and increases good cholesterol (HDL) levels.Prevents growth of cancer cells: Onion is rich in sulphur compounds. Sulphur protects the body from stomach, colon, breast, lung and prostate cancer and prevents the growth of cancer cells. It also helps cure urinary tract disorders.

We often see tears flowing from the eyes while chopping onions. The sulphur-containing oils and organic sulphides lead to tears once it enters the nostrils. These oils help treat anemia. Note that the oils and the effect of organic sulphides reduce when the onions are cooked. So, to treat anemia, have raw onions. These are few health benefits of eating raw onions. You can have raw onions in sandwiches, mix with your vegetable salad or use as toppings for hamburgers and chaats. To prevent the strong and pungent mouth odor of raw onions, brush your teeth and have some mouth fresheners like cardamom or clove

Ext.from:/www.chennaionline.com/health and http://www.gardensablaze.com/VegOnion.htm

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