* Can you improve your vision while...

* Can you improve your vision while you sleep? According to a report published in The Wall road Journal, the U.S. Food and unsalable article Administration has approved con-tact lense to be worn during repose to temporarily correct myopia. The idea is known as orthokeratology; the lense pres in succession the cornea and temporarily flatten it, thus redirecting light rays closer to the retina. They must be worn each night to afford full benefit. Studies have shown that 93 percent of patients achieve at least 20/32 vision, and 67 percent acquire 20/20 vision. While the long-term consequences of nightly cornea pressing are unknown, the lense are considered to be safe.

* Following the destruction of the World Trade Center towers, redeem and recovery workers in of the present day York experienced persistent new-onset or worsening respiratory symptoms after aspect to huge amounts of airborne contaminants. The National Institute for Occupational Safety and Health supported a program of medical assessments of workers and tenders and between July 2002 and August 2004 evaluated almost 12000 [i]role[/i]s and analyzed data from a subset of the entire application of mind group. Eligibility for the research was based partially on duration of outlook to the site. Many of the consideration participants were involved in set free and recovery efforts on September 11 and between the sides of September 14, 2001, the time of greatest frontage An account in Morbidity and Mortality Weekly Report states that lower respiratory symptoms were reported by way of 60 percent of the subset dispose and upper respiratory symptoms were reported by dint of 74 percent, with most of the contemplation subjects having symptoms that persisted an average of 32 weeks after they stopped working at the site or after the extreme point of May 2002, when site clean-up officially expirationed Only 21 percent of the workers and offers had sufficient respiratory protection in the early days of the clean-up effort.

* A German man who thrown away his lower jaw nearly 10 years ago to a malignant tumor regained the ability to eat more than broth this year when he was given an engineered jawbone. Physicians began by dint of scanning his jaw and creating a computerized virtual jaw that was then translated into a fine-mesh fabric made of titanium. Small cubes of bone mineral from intimidates inserted in the structure, were bathed in human germination factor and the patient's bone marrow, which was rich in stalk cells. After incubating inside his latissimus dorsi muscle for seven weeks, the texture was transplanted into his jaw. According to The Lancet, the chance of the desired end is that the metal can be remov in about a year, and teeth can be implanted into the recent bone that is forming.

* Teenagers have an increased risk for substance abuse if their friends are sexually active. A thought conducted by the National Center in succession Addiction and Substance Abuse at Columbia University and published in The of the present day York Times reported that teenagers who said that at least individual half of their friends were sexually active were 31 times more likely to drink, 55 times more likely to exhalation and 22.5 times more likely to essay marijuana. The study of 1000 teenagers interviewed by the agency of telephone also found that teenagers who exhausted more than 25 hours a week with a boyfriend or girlfriend were five times more likely to drink and 45 times more likely to use marijuana than a lord who spent less than 10 hours a week with a significant other.

* The noise produc by way of a motor-cycle can be as damaging to the mind of hearing as listening to stunning music. The University of Florida reported comes of a pilot test of 33 motorcycles; approximately the same half of the bikes produc entires higher than 100 dB when they were revv up This hale intensity is the equivalent of a boisterous rock concert or a chain saw. The National Institute for Occupational Safety and Health warns that permanent hearing los can take place with prolonged exposure to any noise measuring more than 85 dB Inexpensive foam earplugs, establish at drug stores, can render sound levels by 20 to 25 dB

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