Tag: Radical (chemistry)

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Healthy Tips

How to slow down Aging

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No one wants to grow old. The body constantly battles against this process. Free radicals are responsible for the changes and shortening of the DNA in our cells, which in turn causes the visible changes of ageing...click & see

Free radicals are compounds created when a molecule in our body gains or loses an electron, rendering it unstable. The commonest free radicals are known as ROS (reactive oxygen species).

Antioxidants act as scavengers, removing the destroyed or fragmented DNA caused by free radicals. These days they are being prescribed as the panacea of all ills. Conditions ranging from poor immunity, male infertility, heart attacks, diabetes, cancer to even ageing are said to benefit from antioxidant supplements.

Antioxidants occur in a variety of foods, especially coloured (red, yellow, green, purple) fruits and vegetables. They are not heat stable, so it is better to eat the fruits or vegetables raw. People who eat 4-6 helpings of fruits and vegetables a day have a lower incidence of cancer and live longer. On the other hand, they tend to be health conscious, exercise, have healthier lifestyles and are conscious of body weight.

A large amount of ROP is released during exercise. So taking antioxidant supplements should decrease recovery time. A number of studies have demonstrated that this is not the case. Ironically, taking antioxidant supplements actually slows down recovery.

Patients with cancer are often advised to take supplements of megavitamins and antioxidants. They may actually be detrimental. High doses of betacarotene increases the risk of lung cancer in smokers. Vitamin E can increase the risk of prostate cancer and high doses of vitamin C the risk of bladder cancer. High-dose supplements of antioxidants are linked to worse cancer outcomes, especially in smokers.

Instead of antioxidants, if we follow the following rules and do them regularly we could get better result....click & see

1)Do some freehand exercise (yoga) daily.

2) Walk, jog or run 40 minutes a day

3) Eat 4-6 helpings of fresh fruit and vegetables a day

4) Never smoke or spend time around smokers

Resources: http://www.telegraphindia.com/

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Healthy Tips

Miracles of Green Tea

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Green tea has increasingly become a very popular drink worldwide because of its immensely powerful health benefits.

It is extraordinarily amazing what green tea can do for your health. And if you’re not drinking 3 to 4 cups of green tea today  you’re definitely NOT doing your health a big favor.


Here Are The 25 Reasons Why You Should Start Drinking Green Tea Right Now:

1. Green Tea and Cancer
Green tea helps reduce the risk of cancer.
The antioxidant in green tea is 100 times more effective than vitamin C and 25 times better than vitamin E.
This helps your body at protecting cells from damage believed to be linked to cancer.
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2. Green Tea and Heart Disease
Green tea helps prevent heart disease and stroke by lowering the level of cholesterol.
Even after the heart attackit prevents cell deaths and speeds up the recovery of heart cells.
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3. Green Tea and Anti-Aging
Green tea contains antioxidant known as polyphenols which fight against free radicals.
What this means it helps you fight against aging and promotes longevity.
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4. Green Tea and Weight Loss
Green tea helps with your body weight loss. Green tea burns fat and boosts your metabolism rate naturally.
It can help you burn up to 70 calories in just one day.
That translates to 7 pounds in one year.
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5. Green Tea and Skin
Antioxidant in green tea protects the skin from the harmful effects of free radicalswhich cause wrinkling and skin aging.
Green tea also helps fight against skin cancer.
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6. Green Tea and Arthritis

Green tea can help prevent and reduce the risk of rheumatoid arthritis.
Green tea has benefit for your health as it protects the cartilage by blocking the enzyme that destroys cartilage.
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7. Green Tea and Bones
The very key to this is high fluoride content found in green tea.
It helps keep your bones strong.
If you drink green tea every daythis will help you preserve your bone density.
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8. Green Tea and Cholesterol
Green tea can help lower cholesterol level.
It also improves the ratio of good cholesterol to bad cholesterolby reducing bad cholesterol level.
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9. Green Tea and Obesity
Green tea prevents obesity by stopping the movement of glucose in fat cells.
If you are on a healthy dietexercise regularly and drink green teait is unlikely you’ll be obese.
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10. Green Tea and Diabetes
Green tea improves lipid and glucose metabolismsprevents sharp increases in blood sugar leveland balances your metabolism rate.
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11. Green Tea and Alzheimer’s
Green tea helps boost your memory.
And although there’s no cure for Alzheimer’sit helps slow the process of reduced acetylcholine in the brainwhich leads to Alzheimer’s.
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12. Green Tea and Parkinson’s
Antioxidants in green tea helps prevent against cell damage in the brainwhich could cause Parkinson’s. People drinking green tea also are less likely to progress with Parkinson’s.
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13. Green Tea and Liver Disease
Green tea helps prevent transplant failure in people with liver failure. Researches showed that green tea destroys harmful free radicals in fatty livers.
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14. Green Tea and High Blood Pressure
Green tea helps prevent high blood pressure.
Drinking green tea helps keep your blood pressure down by repressing angiotensinwhich leads to high blood pressure.
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15. Green Tea and Food Poisoning
Catechin found in green tea can kill bacteria which causes food poisoning and kills the toxins produced by those bacteria.
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16. Green Tea and Blood Sugar
Blood sugar tends to increase with agebut polyphenols and polysaccharides in green tea help lower your blood sugar level.
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17. Green Tea and Immunity
Polyphenols and flavenoids found in green tea help boost your immune systemmaking your health stronger in fighting against infections.
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18. Green Tea and Cold and Flu
Green tea prevents you from getting a cold or flu.
Vitamin C in green tea helps you treat the flu and the common cold.
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19. Green Tea and Asthma
Theophylline in green tea relaxes the muscles which support the bronchial tubesreducing the severity of asthma.
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20. Green Tea and Ear Infection
Green tea helps with ear infection problem.
For natural ear cleaningsoak a cotton ball in green tea and clean the infected ear.
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21. Green Tea and Herpes
Green tea increases the effectiveness of topical interferon treatment of herpes.
First green tea compress is appliedand then let the skin dry before the interferon treatment.
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22. Green Tea and Tooth Decay
 Green tea destroys bacteria and viruses that cause many dental diseases.
It also slows the growth of bacteria which leads to bad breath.
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23. Green Tea and Stress
L-theaninewhich is a kind of amino acids in green teacan help relieve stress and anxiety.
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24. Green Tea and Allergies
EGCG found in green tea relieves allergies.
Soif you have allergiesyou should really consider drinking green tea.
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25. Green Tea and HIV
Scientists in Japan have found that EGCG (Epigallocatechin Gallate) in green tea can stop HIV from binding to healthy immune cells.
What this means is that green tea can help stop the HIV virus from spreading.

Source :http://funlok.com/index.php/information/25-reasons-why-you-should-start-drinking-green-tea-now-9072010.html

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Healthy Tips

Fight These 4 Causes to Live Long

You can slow down your aging process and help stave off heart disease, cancer, and diabetes. U.S. News & World Report offers some tips on how to do it:

1.Free radicals. Free radicals are chemically unstable molecules that attack your cells and damage your DNA. You can limit your exposure to them by avoiding cigarettes, trans fats, charred meats, and other sources.

Organic fruits and vegetables will also limit your exposure to pesticides and herbicides, which contain the harmful molecules.

2.Inflammation. Inflammation is a major player in many diseases of aging, including cancer, diabetes, heart disease, and Alzheimer’s. One way to avoid it is to follow a Mediterranean-style diet.

Other great anti-inflammatory foods include turmeric, dark chocolate, and the anti-aging chemical resveratrol. Exercise is another great way to lower inflammation.

3.Glycation. Glycation is what happens when sugar mixes with proteins and fats to form molecules that promote aging. Advanced glycation end products, or AGEs, are thought to accelerate your aging process by churning out free radicals and promoting inflammation. One way to avoid ingesting AGEs is to turn down the heat when you cook. The browning effect of high-heat cooking causes these molecules to form. Limiting your intake of sugar-filled foods in general will also help.
4.Stress. Stress initiates the release of a variety of hormones that make your pulse race and cause your blood pressure to rise. The hormone cortisol, released to lessen these effects, also creates problems when it remains chronically elevated. Try practicing relaxation techniques to help manage stress, and get enough sleep every night.

Resources:
U.S. News & World Report July 29, 2010
The Guardian August 1, 2010

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News on Health & Science

Paracetamol Ups Asthma Risk in Kids

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Infants who have been given the common pain reliever paracetamol may have a higher risk of developing asthma and eczema by the time they are 6 or 7, a large study covering children in 31 countries has found.

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The findings were published in the journal Lancet together with two other studies, which found that runny noses and wheezing early on in life may be strong predictors of asthma.

In one study, researchers pored through data provided by parents of more than 205,000 children and found paracetamol use in the first year of life was associated with a 46% higher risk of asthma by the time the children were 6 or 7 compared to those never exposed to the drug. It is used to relieve fever, minor aches and pain, and is used in a liquid suspension for children.

Medium use of paracetamol in the past 12 months increased asthma risk by 61%, while high dosages of once a month or more in the past year raised the risk by over three times. Medium use was defined as once per year or more, but less than once a month.

Suspicions of a possible link between paracetamol and asthma emerged when experts observed an increased use of the drug to a simultaneous rise in asthma prevalence worldwide.

Some experts think antioxidants, which stop unstable molecules known as free radicals from doing too much damage, can lower the risk of cancer, heart disease and other ailments. “Paracetamol can reduce antioxidant levels and… can give oxidative stress in the lungs and cause asthma,” one of the researchers, Richard Beasley at the Medical Research Institute of New Zealand, said.

Sources: The Times Of India

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Herbal Beauty & Body Care

Antioxidant Cure For Wrinkles?

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Beauty care starts at home, by taking your vitamins regularly

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A new method to fight off wrinkles.
Women may soon no longer have to turn to plastic surgery to get rid of those pesky wrinkles, thanks to a researcher at the Hebrew University Faculty of Agriculture, Food and Environmental Quality Sciences who has developed a new method to fight wrinkles.

The method has been developed by Dr Orit Bossi under the supervision of Zecharia Madar, the Karl Bach Professor of Agricultural Biochemistry at the Hebrew University, and Prof Shlomo Grossman of Bar-Ilan University.

Antioxidants operate against free radicals which cause a breakdown of many tissues in the body, including the skin. When found in small quantities in the body, free radicals are not harmful and are even involved in various physical processes.

When there is an excess of free radicals, however, as occurs during normal aging or as a result of excessive exposure to ultra-violet radiation from the sun, the result, among other things, is a breakdown of the collagen and elastin fibres in the skin. When this happens, there is a loss of skin elasticity and the formation of wrinkles. “A problem with many of the commercial antioxidants found today in the market that are said to retard the aging process is that they oxidise quickly and therefore their efficiency declines with time,” said Dr Bossi.

“Vitamin C, for example, oxidises rapidly and is sensitive to high temperatures. This is also true of the antioxidant EGCG which is found in green tea, and vitamin E. As a part of her research, Dr Bossi conducted experiments on mice skin tissue, which resembles that of humans. She applied her antioxidant on two skin cell groups — those which had been exposed to the sun’s rays and received her antioxidant and those which also had been exposed to sun but did not receive the antioxidant. The untreated cells showed a rise in free radicals causing wrinkles, while those cells which had been treated showed no significant increase in the free radicals level.

Source:The Times Of India

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