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In weird Brazilian cave insects, male-female sex organs reversed

By Will Dunham WASHINGTON (Reuters) - This may be the role reversal to end all role reversals. Scientists on Thursday described four insect species that dwell in extremely dry caves in Brazil, feed on bat guano and possess what the researchers called an "evolutionary novelty." . The females have an elaborate, penis-like organ while the males have a vagina-like opening into which females insert their organ during mating sessions that last 40 to 70 hours, the scientists reported in the journal Current Biology.

Casual pot use causes brain abnormalities in the young: study

By Alex Dobuzinskis (Reuters) - Young, casual marijuana smokers experience potentially harmful changes to their brains, with the drug altering regions of the mind related to motivation and emotion, researchers found. The study to be published on Wednesday in the Journal of Neuroscience differs from many other pot-related research projects that are focused on chronic, heavy users of cannabis.

FDA approves GSK's Tanzeum to treat type 2 diabetes

(Reuters) - The U.S. Food and Drug Administration approved GlaxoSmithKline Plc's Tanzeum injection for treating adults with type 2 diabetes, in combination with diet and exercise. Tanzeum will carry a warning on its label that tumors of the thyroid gland were observed in rodent studies with some drugs belonging to the same class. However, it is unknown whether Tanzeum causes thyroid C-cell tumors, the FDA said on its website. (

Study ties breathing problems, asthma to bone loss

By Ronnie Cohen NEW YORK (Reuters Health) - People with asthma-related breathing problems may be at increased risk for bone loss, according to a new study. The study examined the records of more than 7,000 adults in Seoul, Korea, and found those with a certain characteristic of asthma had significantly lower bone density in a region of their spine than those without asthma symptoms.

Swiss team scent breakthrough in nose implant surgery

Surgeons in Switzerland on Friday said they had carried out the first-ever operations to repair cancer-ravaged noses using tissue grown from the patient's own cartilage cells. The technique involves reconstructing the so-called alar wings of the nose -- the nostrils -- after removal because of skin cancer. At present, surgeons replace the "wings" with cartilage grafts taken from the ear, nasal septum or rib, which is an additional and often painful operation for the patient.

'Ronaldo of knees': surgeon saves football careers

Renowned as the "Ronaldo of knees", pioneering Portuguese surgeon Jose Carlos Noronha is saving the careers of top world football players who feel the dreaded, career-threatening crack of a torn ligament. A tear of the anterior cruciate ligament, one of the main stabilisers at the centre of the knee joint, is a potential career killer and one of the most feared injuries among footballers.

Spanish docs see mechanical heart as alternative to transplant

Valencia, Spain, Apr 4 (EFE).- A 51-year-old man with a grave case of heart failure underwent an operation for a mechanical heart implant, a technique that in the future could be an alternative to a human heart transplant. The HeartWare device was implanted March 5 at La Fe Hospital in the eastern Spanish city of Valencia. The patient and medical team held a press conference Friday.

US approves novel remedy for hayfever, pollen allergies

US regulators on Wednesday approved a French-made remedy for alleviating symptoms of hayfever and certain allergies to grass pollen. The tablet, called Oralair, dissolves under the tongue and must be taken daily for four months prior to the start of the grass pollen season, and then continued throughout the season. Pre-approval trials on 2,500 people found that those who took the remedy experienced a 16 to 30 percent reduction in symptoms, which can include sneezing, runny nose, and itchy, watery eyes.

Football: Valdes out for seven months with knee injury

Barcelona goalkeeper Victor Valdes will miss the next seven months after undergoing surgery to repair the torn cruciate anterior ligament in his right knee in Germany on Monday, the club have confirmed. "Victor Valdes underwent surgery on his torn anterior cruciate ligament on Monday morning with doctors Ulrich Boenish and Ricard Pruna in Augsburg, Germany," the club said in a statement. "They made an incision in the internal meniscus of the right knee and the surgery was completed in a satisfactory manner. "The estimated time out will be seven months."

U.S. FDA approves Biogen's hemophilia B drug Alprolix

By Toni Clarke (Reuters) - Biogen Idec Inc has won U.S. approval for its long-acting hemophilia B treatment Alprolix, the U.S. Food and Drug Administration said on Friday. Hemophilia B is a rare, inherited disorder in which a person's blood does not clot properly, which can lead to prolonged bleeding and bruising. It affects about 4,000 people in the United States and 25,000 worldwide.
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