Tuesday 4 December 2012

Herbs for Health

The following herbs are powerful promoters of good health and can tackle many everyday health problems in both good times and bad. Think of them as Mother Nature’s medicine chest!


Strengthen Your Immunity

From preventing the common cold to keeping cancer at bay, maintaining a healthy immune system is critical. But a poor diet, lack of sleep and stress can undermine your immunity, leaving you vulnerable to both short- and long-term illness.While many herbs help enhance immunity, the following three are immune-boosting superstars:

1. Astragalus (Astragalus membranaceus): This traditional Chinese herb has gained a reputation as an antiviral and potent immune booster because it increases the activity of natural killer cells and macrophages (large white blood cells that gobble up viruses).
In one study, researchers found that astragalus helped promote and maintain respiratory health—an important consideration for fending off colds and the flu. For general immune strengthening, take 100 to 150 mg of a standardized astragalus supplement daily.

2. Echinacea (Echinacea spp.): This popular herb is used for both the common cold and for upper respiratory tract infections. Echinacea supports the immune system by activating white blood cells—immune cells that defend the body from infectious disease.  The trick to echinacea’s effectiveness is to take 300 mg of supplemental echinacea every two hours at the first sign of the sniffles, then three times a day for a total of seven to 10 days. For best results, look for a standardized product that contains 4 to 5 percent echinacoside.

3. Green tea (Camellia sinensis): Another way to mount a good offense against illness is with green tea. Along with being a potent antioxidant, green tea stems the growth of viruses by inhibiting their absorption by the body. This tasty brew also attacks the membrane of viral cells, which effectively prevents the creation of new cells that spread the virus.
This tasty beverage also has been shown to guard against a wide variety of cancers, including breast, lung, stomach, pancreatic, prostate and skin cancer. Drink several cups of green tea daily or take a green tea supplement that provides a concentrated source of polyphenols. 

Maintain a Healthy Heart

Cardiovascular disease is the No. 1 killer in the United States—it kills more people each year than cancer, diabetes or accidents. Fortunately, many of these risk factors can be prevented or controlled by combining a healthy diet and exercise with heart-helping herbs.

4. Garlic (Allium sativum): This  pungent herb lowers blood pressure and improves the elasticity of blood vessel walls. Garlic also reduces cholesterol and acts as a natural blood thinner. It’s so effective that one trial showed that people taking 600 mg of garlic daily slashed their risk of dying from heart disease over a 10-year period. The same study found that taking 300 mg of supplemental garlic daily prevented the development of atherosclerosis.

5. Hawthorn (Crataegus spp.): If you could rely on just one herb for heart disease, this would be it. Hawthorn contains large amounts of flavonoids that stabilize capillaries and strengthen weak blood vessels. Researchers at the University of Chicago note that antioxidant-rich hawthorn significantly reduces blood pressure and unhealthy cholesterol levels. The recommended dose is 100 mg taken in two or three divided doses daily.

The Question of Digestion

Heartburn, indigestion and nausea definitely can cramp your style. But two herbs can provide fast relief.

6. Ginger (Zingiber officinale): It doesn’t matter whether you suffer from motion sickness or morning sickness—ginger offers a safe way to soothe nausea. While ginger is available in capsule form, the best way to ease nausea is with a cup of ginger tea.

7. Licorice (Glycyrrhiza glabra): Long before Tums burst onto the scene, herbalists relied on plants to treat indigestion. The most effective and well-known herb was licorice. But not any licorice will do. Licorice contains a chemical called glycyrrhiza that can raise blood pressure. Fortunately, this dangerous compound can be removed and the resulting deglycyrrhizinated licorice (DGL) tablets are safe and effective. Popping a couple of DGL tablets before meals not only helps prevent heartburn, it’s reputed to soothe and heal the esophageal tissue by decreasing inflammation and ulceration. And unlike other forms of licorice, DGL is safe for people with high blood pressure. Most herbalists recommend chewing the equivalent of 760 mg (2 tablets) three times a day with meals.

Pain Relief

Pain, whether it’s from a pulled muscle or arthritis, not only makes you miserable, but limits what you can do. The next time you are hurting, try one of these topical remedies:

8. Cayenne (Capsicum annuum): Pain is caused by Substance P, a neurotransmitter that tells the brain when we are injured and triggers inflammation. Cayenne’s primary anti-inflammatory component, capsaicin, reduces levels of Substance P. Look for a topical cream containing .075 percent capsaicin. Just take care since cayenne can burn sensitive skin. Test it on a small area first and don’t apply near the eyes or on broken skin.

9. Arnica (Arnica montana): Athletes have long relied on arnica to reduce the pain, swelling and bruising that accompany sprains and strains. But this homeopathic remedy can be a powerful weapon against osteoarthritis. A comparison of ibuprofen and a topical arnica gel found that the arnica was just as effective for pain and hand function in people with osteoarthritis of the hands. 

Allay Seasonal Allergies

Allergic rhinitis—the medical name for hay fever—affects more than 50 million Americans every year, making it the sixth leading cause of chronic disease in the United States. But, while these drugs temporarily relieve your symptoms, prescription and over-the-counter (OTC) allergy medications can cause adverse reactions, including drowsiness, headache and sore throat. Fortunately, natural remedies can nip seasonal allergies in the bud without the side effects of conventional allergy drugs.

10. Butterbur (Petasites hybridus): If you suffer from chronic hay fever, you might try butterbur instead of your prescription allergy medication. Butterbur may help even if you only suffer from occasional allergies. For best results, take 50 to 100 mg twice a day with meals.

11. Stinging nettle (Urtica dioica): This prickly plant offers relief from itchy, watery eyes, sneezing and respiratory symptoms—often within 15 minutes. The key is the herb’s anti-inflammatory effect. And unlike OTC allergy medicines, taking stinging nettle won’t make you drowsy.

Stress Busters

In an analysis of nearly 300 studies, researchers at the University of Kentucky confirmed that stress alters immunity, and that seniors and sick people are much more vulnerable to the adverse impact of chronic stress. Here are two of the most effective herbs to soothe stress:

12. American ginseng (Panax quinquefolius): This adaptogen can help your body resist the negative effects of stress by suppressing stress hormones like cortisol. When compared to ginkgo—which can help with acute stress—ginseng was found to be a better option for long-term stress. How effective is it? A Chinese study recently showed that the herb worked as well as the anti-anxiety drug diazepam (Valium). Look for a standardized ginseng supplement that provides 4 to 7 percent total ginsenosides. The typical dose to relieve stress is 100 to 200 mg a day.

13. Rhodiola (Rhodiola rosea): Russian research indicates that rhodiola reduces stress and fatigue; improves memory; enhances concentration and physical fitness; and increases overall well-being. Better yet, rhodiola stimulates the immune system, enabling the body’s own defenses to ward off the effects of stress. The recommended daily dose is 100 mg of a rhodiola supplement standardized to contain 3 percent rosavin.

Be Happy and Catch Some Zzzz

Is the economy keeping you up at night? Are you feeling anxious or depressed? Two herbs might help lift you out of your doldrums and help you get a good night’s sleep.

14. St. John’s wort (Hypericum perforatum): Unlike prescription antidepressant drugs, St. John’s wort can gently and safely alleviate mild to moderate depression. In a new meta-analysis comparing the herb with prescription selective serotonin reuptake inhibitors, researchers found that both were equally effective for mild to moderate depression. The big difference was safety: St. John’s wort had far fewer side effects. But be aware that St. John’s wort can make you more sensitive to sunlight. If you use this herb, make sure to slather on sunscreen before going outdoors. Also, St. John’s wort reduces the effectiveness of birth control pills and some other drugs. Consult your health-care provider if you take prescription medications and want to try St. John’s wort. The standard recommendation for mild to moderate depression is 500 to 1,000 mg of St. John’s wort extract daily.

15. Valerian (Valeriana officinalis): Valerian can help send you to dreamland because of its calming and sedative action. Unlike prescription sleep aids, taking 300 to 500 mg of valerian 30 to 60 minutes before bedtime isn’t addictive and won’t leave you feeling groggy the next morning.


Source: Mother Earth Living

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