Archive for the ‘Medicine’ Category
The Top 10 Plants for Removing Indoor Toxins
Tuesday, February 9th, 2010A recent NASA study has determined the top 10 plants for reducing indoor
air pollution.
Common indoor plants may provide a valuable weapon in the fight against rising levels of indoor air pollution. NASA scientists are finding them to be surprisingly useful in absorbing potentially harmful gases and cleaning the air inside homes, indoor public spaces and office buildings.
The indoor pollutants that affect health are formaldehyde, Volatile Organic Compounds (benzene and trichloroethylene or TCE), airborne biological pollutants, carbon monoxide and nitrogen oxides, pesticides and disinfectants (phenols), and radon. These pollutants contribute to ’sick building syndrome’, which causes symptoms ranging from allergies, headaches and fatigue through to nervous-system disorders, cancer and death.
Through studies conducted by NASA, scientists have identified 50 houseplants that remove many of the pollutants and gases mentioned above. Dr. B. C. Wolverton rated these plants for removing chemical vapors, ease of growth, resistance to insect problems, and transpiration (the amount of water they expire into the air).
NASA, with assistance from the Associated Landscape Contractors of America, conducted a two-year study directed by Dr. B.C. Wolverton, an environmental engineer from Picayune, Miss. Wolverton has worked as a research scientist for NASA for some 20 years. His study, in the late ’80s and early ’90s, of the interaction of plants and air found that houseplants, when placed in sealed chambers in the presence of specific chemicals, removed those chemicals from the chambers.
Dr. B.C. Wolverton, researcher and author of “ How to Grow Fresh Air — 50 Houseplants that Purify Your Home or Office” (1997, Penguin paperback, $15.95), conducted plant studies for NASA that determined that plants can clean pollutants in homes, offices, factories and retail outlets.
Later, Wolverton expanded the study and assigned plants a rating from one to 10, based on a plant’s ability to remove chemical vapors or indoor air toxins, ease of growth and maintenance, resistance to insect infestation and the rate at which water evaporates from the leaves.
Dr. B.C.Wolverton’s book, “How to Grow Fresh Air”, is available in book stores, directly from Penguin books, New York (1-800-526-0275) or online at websites such as www.amazon.com and www.bn.com.
The source report is not available on NASA’s website.
Top ten plants for removing formaldehyde, benzene, and carbon monoxide from the air:
1. Areca Palm (Chrysalidocarpus lutescens)
Also called the “Butterfly Palm”. An upright houseplant that is somewhat vase shaped. Specimen plants can reach 10 to 12 foot in height. Prefers a humid area to avoid tip damage. Requires pruning. When selecting an Areca palm look for plants with larger caliber trunks at the base of the plant. Plants that have pencil thin stems tend to topple over and are quite difficult to maintain.
2. Lady Palm (Rhapis excelsa)
Also called the “Lady Palm”, this durable palm species adapts well to most interiors. The Rhapis are some of the easiest palms to grow, but each species has its own particular environment and culture requirements. The “Lady Palm” grows slowly, but can grow to more than 14′ in height with broad clumps often having a diameter as wide as their height.
3. Bamboo palm (Chamaedorea seifrizii)
Also called the “reed palm”, this palm prefers bright indirect light. New plants will lose of some interior foliage as they acclimate to indoor settings. This plant likes to stay uniformly moist, but does not like to be over-watered or to sit in standing water. Indoor palms may attract spider mites which can be controlled by spraying with a soapy solution.
4. Rubber Plant (Ficus robusta)
Grows very well indoors, preferring semi-sun lighting. Avoid direct sunlight, especially in summer. Young plants may need to be supported by a stake. The Ficus grows to 8’ with a spread of 5’. Wear gloves when pruning, as the milky sap may irritate the skin. Water thoroughly when in active growth, then allow the soil to become fairly dry before watering again. In winter keep slightly moist.
5. Dracaena “Janet Craig” ( Dracaena deremensis)
The Dracaena grows to 10’ with a spread of 3’. Easy to grow, these plants do best in bright indirect sunlight coming from the east/west. They can adapt to lower light levels if the watering is reduced. Keep the soil evenly moist and mist frequently with warm water. Remove any dead leaves. Leaf tips will go brown if the plant is under watered but this browning may be trimmed.
6. Philodendron (Philodendron sp.)
One of the most durable of all house plants. Philodendrons prefer medium intensity light but will tolerate low light. Direct sun will burn the leaves and stunt plant growth. This plant is available in climbing and non-climbing varieties. When grown indoors, they need to be misted regularly and the leaves kept free of dust. Soil should be evenly moist, but allowed to dry between watering.
7. Dwarf Date Palm (Phoenix roebelenii)
A hardy, drought-tolerant and long-lived plant, the Dwarf Date Palm needs a bright spot which is free of drafts. It grows slowly, reaching heights of 8-10’. The Dwarf Date Palm should not be placed near children’s play areas because it has sharp needle-like spines arranged near the base of the leaf stem. These can easily penetrate skin and even protective clothing.
8. Ficus Alii (Ficus macleilandii “Alii”)
The Ficus Alii grows easily indoors, and resists insects. It prefers a humid environment and low to medium light when grown indoors. The Ficus Aliii should not be placed near heating or air conditioning vents, or near drafts because this could cause leaf loss. Soil should be kept moist but allowed to dry between watering.
9. Boston Fern (Nephrolepis exaltata “Bostoniensis”)
The Boston fern grows to 4’ in height with a spread up to 5’. It has feathery ferns which are best displayed as a hanging plant. It prefers bright indirect sunlight. Keep the soil barely moist and mist frequently with warm water. This plant is prone to spider mites and whitefly which can be controlled using a soapy water spray. Inspect new plants for bugs before bringing them home.
10. Peace Lily (Spathiphyllum “Mauna Loa”)
The Peace Lily is a compact plant which grows to a height of 3’ with a 2’ spread. This hardy plant tolerates neglect. It prefers indirect sunlight and high humidity, but needs to be placed out of drafts. For best results, the Peace Lily should be thoroughly watered, then allowed to go moderately dry between waterings. The leaves should be misted frequently with warm water.
By: Greg Seaman | May 13, 2009
Source: EarthEasy.co, | www.eartheasy.com/blog/2009/05/the-top-10-plants-for-removing-indoor-toxins/
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NYU Langone Medical Center’s New Flash CT Reduces Radiation Dose by up to 90 Percent
Monday, December 7th, 2009-
- Image via Wikipedia
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- How Much Does a CT Scan Raise the Risk of Cancer? (blogs.wsj.com)
- Radiation from CT Scans May Raise Cancer Risks (nlm.nih.gov)
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Start Slide Show with PicLens LiteTea Tree Oil – The Medicine Kit in a Bottle
Monday, December 7th, 2009Tea Tree Oil has been known to the Bundjalung Tribe of New South Wales Australia for hundreds of years for its medicinal properties.
This wonder oil was only tested scientifically in the early 1920′s by Arthur Penfold and found to be around 12 times more powerful than carbolic acid and yet caused no harm to the skin. It was used extensively by the Australian Defence Force during World War Two but due to the discovery of synthetic drugs did not become popular again until the 1960′s.
Over the years it has proved itself as a natural antiviral, antibacterial, anti-fungal, anti-inflammatory oil. One great development was that it was found to deep penetrate the skin cleaning it and encouraging the formation of scar tissue.
Some of the medical uses include healing blisters, reducing swelling from insect bites and stings, cleaning and healing abrasions and cuts, cures athletes foot and is very helpful in the healing of acne. It will cure a sore throat, cold sores, coughs and dental abscesses. It will solve most day to day first aid and medical problems.
It also lends to daily beauty care as putting drops in shampoo, body lotion, hand cream and in the bath will keep hair and skin clean and healthy. A couple of drops on toothpaste will prevent gum infections and bad breathe. It helps take the sting out of sunburn and softens corns and calluses.
Tea Tree Oil’s anti-bacterial properties also extend use in the household chores, making the house clean and healthy. Putting drops in the humidifier will clean, disinfect and refresh the air and putting drops in the dishwasher and washing machine will kill all the germs.
Tea Trees only grow in Australia. There are many brands that are from inferior trees and not from the genuine Tea Tree whose Botanical name is Malaeuca. The name Tea Tree was given by Joseph Banks the botanist who traveled with Captain Cook and collected the leaves to make herbal teas.
Your first purchase should be made from a Health Shop until you know how to define whether it is the genuine oil or an inferior oil as the results will obviously not be the same with an inferior product.
There are many excellent websites on the internet and many excellent books which will give you all uses of this wonderful oil. You will be amazed at the excellent results you obtain and will find it is truly a medicine kit in a bottle.
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Tea Tree Oil – The Medicine Kit in a Bottle
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Start Slide Show with PicLens LiteItalian doctor may have found surprisingly simple cure for Multiple Sclerosis
Friday, November 27th, 2009
An Italian doctor has been getting dramatic results with a new type of treatment for Multiple Sclerosis, or MS, which affects up to 2.5 million people worldwide. In an initial study, Dr. Paolo Zamboni took 65 patients with relapsing-remitting MS, performed a simple operation to unblock restricted bloodflow out of the brain – and two years after the surgery, 73% of the patients had no symptoms. Dr. Zamboni’s thinking could turn the current understanding of MS on its head, and offer many sufferers a complete cure.
Multiple sclerosis, or MS, has long been regarded as a life sentence of debilitating nerve degeneration. More common in females, the disease affects an estimated 2.5 million people around the world, causing physical and mental disabilities that can gradually destroy a patient’s quality of life.
It’s generally accepted that there’s no cure for MS, only treatments that mitigate the symptoms – but a new way of looking at the disease has opened the door to a simple treatment that is causing radical improvements in a small sample of sufferers.
Italian Dr. Paolo Zamboni has put forward the idea that many types of MS are actually caused by a blockage of the pathways that remove excess iron from the brain – and by simply clearing out a couple of major veins to reopen the blood flow, the root cause of the disease can be eliminated.
Dr. Zamboni’s revelations came as part of a very personal mission – to cure his wife as she began a downward spiral after diagnosis. Reading everything he could on the subject, Dr. Zamboni found a number of century-old sources citing excess iron as a possible cause of MS. It happened to dovetail with some research he had been doing previously on how a buildup of iron can damage blood vessels in the legs – could it be that a buildup of iron was somehow damaging blood vessels in the brain?
He immediately took to the ultrasound machine to see if the idea had any merit – and made a staggering discovery. More than 90% of people with MS have some sort of malformation or blockage in the veins that drain blood from the brain. Including, as it turned out, his wife.
He formed a hypothesis on how this could lead to MS: iron builds up in the brain, blocking and damaging these crucial blood vessels. As the vessels rupture, they allow both the iron itself, and immune cells from the bloodstream, to cross the blood-brain barrier into the cerebro-spinal fluid. Once the immune cells have direct access to the immune system, they begin to attack the myelin sheathing of the cerebral nerves – Multiple Sclerosis develops.
He named the problem Chronic Cerebro-Spinal Venous Insufficiency, or CCSVI.
Zamboni immediately scheduled his wife for a simple operation to unblock the veins – a catheter was threaded up through blood vessels in the groin area, all the way up to the effected area, and then a small balloon was inflated to clear out the blockage. It’s a standard and relatively risk-free operation – and the results were immediate. In the three years since the surgery, Dr. Zamboni’s wife has not had an attack.
Widening out his study, Dr. Zamboni then tried the same operation on a group of 65 MS-sufferers, identifying blood drainage blockages in the brain and unblocking them – and more than 73% of the patients are completely free of the symptoms of MS, two years after the operation.
In some cases, a balloon is not enough to fully open the vein channel, which collapses either as soon as the balloon is removed, or sometime later. In these cases, a metal stent can easily be used, which remains in place holding the vein open permanently.
Dr. Zamboni’s lucky find is yet to be accepted by the medical community, which is traditionally slow to accept revolutionary ideas. Still, most agree that while further study needs to be undertaken before this is looked upon as a cure for MS, the results thus far have been very positive.
Naturally, support groups for MS sufferers are buzzing with the news that a simple operation could free patients from what they have always been told would be a lifelong affliction, and further studies are being undertaken by researchers around the world hoping to confirm the link between CCSVI and MS, and open the door for the treatment to become available for sufferers worldwide.
It’s certainly a very exciting find for MS sufferers, as it represents a possible complete cure, as opposed to an ongoing treatment of symptoms. We wish Dr. Zamboni and the various teams looking further into this issue the best of luck.
Via The Globe and Mail.
Technorati Tags: Brain, Cure, Medical, Multiple Sclerosis, Nerves, Research, Surgery
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Start Slide Show with PicLens LiteNew antibiotic bandage dissolves when wound heals
Thursday, November 26th, 2009
Dressing wounds can be a dirty business. Not only do emergency rooms around the world create countless tons of biohazardous waste from used bandages, but persistent wounds can become infected if tainted bandages aren’t replaced in a timely manner.
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Start Slide Show with PicLens LiteHow doctors choose specialities !
Monday, November 23rd, 2009
New Scanner Takes Stunning Images of Internal Organs
Tuesday, October 27th, 2009They are pictures from the frontier of medical technology, revealing the interior of the human body with a clarity never seen before.
One exposes the skull and neck bones as if they were part of a bare skeleton. Another, covering the hip area, displays bones, blood vessels and part of the digestive system.
A third picture shows the heart, with the vital blood vessels that keep its muscles healthy and pumping, standing out in precise detail.
They were taken with a 256-slice X-ray scanner – the latest of its kind.
Quite apart from providing stunning three-dimensional images from within the body, the £1million machine also reduces the radiation dose given to patients by up to 80 per cent on other scanners.
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