"Health News - Medicine, Diet and Fitness"

(Ivanhoe Newswire) – College students, hospital interns, and others who are sleep-deprived may someday be able to get their condition reversed.

Scientists know that losing the hypothalamic neurons that produce orexin-A causes narcolepsy, and adding orexin-A produces arousal and increased attention. Orexin-A is a protein-like molecule the brain makes.

Now researchers have more evidence orexin-A can counteract the effects of sleep deprivation.

When it comes to low back pain, physicians generally advise exhausting nonsurgical options before resorting to surgery. But a new study shows that for degenerative spondylolisthesis with spinal stenosis, surgery provides significantly better results than nonsurgical alternatives.

The study, published in the May 31 issue of the New England Journal of Medicine, is the second in a series reporting findings of the Spine Patients Outcomes Research Trial (SPORT), a five-year, multicenter study supported by the National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), a part of the National Institutes of Health.

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Treating hepatitis B patients with the drug entecavir can cause those who are also infected with HIV to become resistant to two of the most important drugs in the anti-HIV arsenal, according to a new report in the New England Journal of Medicine.

Cross-resistance alarms raised earlier this year by Johns Hopkins researchers about a widely used antiviral therapy for hepatitis B liver infections have prompted swift treatment revisions by the drug’s maker and governmental agencies.

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Viagra the New Oyster? Pill Also an Aphrodisiac, Study Shows

New research shows that not only does viagra help men overcome medical barriers to sex, it’s also an aphrodisiac.

Researchers at the University of Wisconsin-Madison report this month that sildenafil, sold in the U.S. as viagra, increases the amount of oxytocin released by the pituitary gland.

Sometimes called the “love hormone” or “cuddle chemical,” oxytocin has been linked to sexual arousal and plays several important roles in social interactions and reproduction, including triggering uterine contractions and lactation. It is also released during orgasm.

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Submitted by Annexstad 332 days ago

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