what causes allergies Article

An immediate or delayed immune reaction caused by exposure to an antigen (allergen).

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National Briefing | Science and Health: Abortion Does Not Cause Mental Illness, Panel Says
A panel of the American Psychological Association reported, after two years of study, that there is no evidence that abortion causes significant mental health problems. <div class='nifad'><a href="http://www.pheedo.com/click.phdo?x=f54f2edba4614be4a5a2532214a9e058&u=301609071"><img src="http://www.pheedo.com/img.phdo?x=f54f2edba4614be4a5a2532214a9e058&u=301609071" border="0"/></a></div>Los Angeles Stages a Fast Food Intervention
The yearlong moratorium on new fast food restaurants in Los Angeles raises questions about when eating stops being a personal choice and becomes a public health concern. <div class='nifad'><a href="http://www.pheedo.com/click.phdo?x=f54f2edba4614be4a5a2532214a9e058&u=301609070"><img src="http://www.pheedo.com/img.phdo?x=f54f2edba4614be4a5a2532214a9e058&u=301609070" border="0"/></a></div>

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Insecticides & Fungicides/spreader-stickers, Wetting Agents:
By Thomas Ogren, Fri Dec 9th

Spreader-stickers, Wetting Agents: Getting the most out of YourSprays

Thomas Ogren

Spreader-stickers or if you prefer, sticker-spreaders, areagents we can add to garden sprays to make them more effective.These additives are commonly used in commercial horticulture andin agriculture, but for some reason are as yet relativelyunknown to most gardeners. Sticker-spreaders can be made of manydifferent components, organic or inorganic. Often the actualingredients in a particular brand of sticker-spreader will bekept secret, as a proprietary formulation known only within thecompany producing it. Some brands use silicone-basedsurfactants, oils, emulsifiers and buffering agents, whileothers may use odd combinations of things like fish oil andfatty acid soaps. Several are made entirely from some sort ofemulsified soybean oil. Actually, common dish soap will act as asticker-spreader, it just won’t be as effective. To be totallytechnically correct here, sticker-spreader is a combination oftwo adjuvants. Adjuvants are materials added to spray mixturesto increase the effectiveness of the main active ingredient. Ifwe want to be completely correct with our terminology here, weprobably ought to note too that spreaders are adjuvantsurfactants. Surfactants are adjuvants that reduce surfacetensions of solutions, helping them spread and cover leaves moreeffectively. Stickers are adjuvants that aid in the attachmentto a surface. The water-soluble wax product often used to sprayChristmas trees to keep them turgid, Wiltpruff, is alsosometimes used as a sticker-spreader. I recently did somecomparison spraying of roses in my own garden. I was sprayingthe roses with a homemade combination to keep the darn deer fromeating them into the ground. With both batches of spray I used,per gallon of water, two raw eggs, four cloves of garlic, and acup of skim milk. I blended all the ingredients in a blenderbefore putting them in the sprayer. I sprayed two differentsections

of roses. In the first section I used the above mix,with the addition of 6 tablespoons of dish soap. In the secondsection of roses I used the same mix but used two tablespoons ofa commercial grade sticker-spreader. What was the difference?Both sprays did keep the deer from eating the roses, for awhile.The spray with soap resulted in roses that were not eaten forsix nights following the spraying. Deer did not eat the rosessprayed with the sticker spreader mix for 15 nights. It seemedobvious to me that the sticker-spreader had indeed locked thesmelly spray material onto the roses better than had the soap.Sticker spreader is sometimes used to make leaves on foliageplants shinier, and this works pretty well, too. If, forexample, you are just spraying your roses with insecticidal soap(for aphids) and a little baking soda (for rust and mildewcontrol) mixed with water and a bit of sticker-spreader, you’llimmediately notice that the spray does stick to the leavesbetter and it also make them shine. Spreader-stickers can alsohave somewhat of a synergistic affect when used withinsecticides. It not only helps the insecticide adhere better toplant surfaces but it also helps the insecticide penetrate thebodies of insects it contacts. Perhaps most importantly,spreader-sticker also protects the insecticide or fungicide fromwashing off in the rain and from breakdown from sunlight. Ithink I paid less than five dollars for a pint ofspreader-sticker at a local nursery. A little bit goes a longway, so it seems inexpensive enough. Some of the insecticides Ilike most, organic botanical-based ones such as Neem are kind ofpricey, and using sticker-spreader gets me more bang for mybuck.

About the author:Tom Ogren is a nationally know gardener and has appearednumerous times on HGTV. His website iswww.allergyfree-gardening.com

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Discounts on Air Purifiers for California Wildfire Victims Suffering from Polluted Air
Los Angeles and the surrounding areas are currently shrouded in a smoky haze of unhealthy air and ash. achooallergy.com is offering a 20% discount off select air purifiers to help those affected by the wildfires, smoke, and related air pollution in the area. (PRWeb Nov 19, 2008)