Comparing results on the two continents, using independent data as well as academic and industry research, shows how the technology has fallen short of the promise. An analysis by the New York Times using U.N. data showed that the United States and Canada have gained no discernible advantage in yields when measured against Western Europe, a region with comparably modernized agricultural producers like France and Germany. Also, a recent National Academy of Sciences report found “there was little evidence” that the introduction of genetically modified crops in the United States had led to yield gains beyond those seen in conventional crops. At the same time, herbicide use has increased in the United States, even as major crops like corn, soybeans and cotton have been converted to modified varieties. And the United States has fallen behind Europe’s biggest producer, France, in reducing the overall use of pesticides, which includes herbicides and insecticides. Homepagehttps://youtu.be/lM19cvuWMcsOne measure, contained in data from the U.S. Geological Survey, shows the stark difference in the use of pesticides. Since GM crops were introduced in the United States two decades ago for crops like corn, cotton and soybeans, the use of toxins that kill insects and fungi has fallen by a third, but the spraying of herbicides, which are used in much higher volumes, has risen 21 percent.
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Keratoconus is a progressive eye disease that occurs when the front of the eye, called the cornea, thins and bulges into a cone-like shape. This causes significant visual distortion, progressive myopia, and may even lead to the need for corneal transplant surgery. Corneal cross-linking is considered one of the most effective treatments for slowing or halting the progression of keratoconus and preventing the need for surgical intervention. Corneal cross-linking is a minimally invasive treatment that lasts approximately 60-90 minutes. Cross-linking uses liquid riboflavin (vitamin b2) and controlled UV light to build new collagen bonds in the cornea, which helps recover and preserve some of the cornea’s mechanical strength. The FDA-approved Avedro cross-linking treatment is an “epithelium-off” treatment, where the top layer of the cornea, called the epithelium, is removed, which helps the riboflavin deeply penetrate the cornea. After a cross-linking treatment, the doctor will place a contact lens in the eye to act as a bandage as the epithelium heals. It is normal to experience blurry vision and some irritation for several days after treatment, but vision should gradually improve over the course of a few weeks. The ultimate goal of a cross-linking treatment is to slow or halt the progression of keratoconus by strengthening the cornea, but many patients also see an improvement in the quality of their vision and may see a mild decrease in the amount of correction needed after treatment. The doctors at The Eye Institute of Utah say that individuals who are interested in corneal collagen cross-linking should consult with their eye doctor to evaluate possible candidacy for the treatment. About The Eye Institute of Utah The Eye Institute of Utah was established in 1980 and is known as a leader and pioneer in clinical and surgical eye care.
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They are the most definitive method we have for determining whether a treatment really works. Curtis 58 1996: 340-4 38. If you also take sucralfate, take it at least 2 hours before or after you take furosemide. Olympic Training enter in Lake Placid and offered free Lasik procedures… Combine the 15% discount off standard prices through the plan/membership, plus an additional 5% discount on Custom WaveLight®. A small percentage of patients may need to have another surgery because their condition is over-corrected or under-corrected. Take notes and ask questions. The flap is then laid back in place, covering the area where the corneal tissue was removed. Babies born early premature infants and children may be more sensitive to certain effects of this drug, such as kidney stones. Read the study of 21 patients who developed agonizing, unrelenting eye pain after LASIK that the American ACADEMY OF OPHTHALMOGY apparently didn’t want you to read.