Health & Medicine
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Health & MedicineImpotence high after prostate removal
Roughly 60 percent of men who have a cancerous prostate gland removed are subsequently impotent.
By Nathan Seppa -
Health & MedicineSurvivors’ Benefit?
Smallpox outbreaks throughout history may have endowed some people with genetic mutations that make them resistant to the AIDS virus.
By John Travis -
Health & MedicineOxygen limits infections from surgery
Giving patients extra oxygen during and shortly after colorectal surgery halves the incidence of infection.
By Nathan Seppa -
Health & MedicineBoning Up
Biologists have discovered a mechanism for communication between two types of bone cell, and they're exploring the possible bone-growth-stimulating effect of popular cholesterol-lowering drugs called statins.
By John Travis -
Health & MedicineNerve cells of ALS patients harbor virus
Fragments of viral genetic material show up with unusually high frequency in nerve tissue of patients with ALS, or Lou Gehrig's disease, suggesting a link between the virus and this lethal illness.
By Nathan Seppa -
Health & MedicineThe salmon that went moo
People allergic to milk products could face potentially life-threatening risks by eating casein-treated fish.
By Janet Raloff -
Health & MedicineThis roe’s got a fish-E surprise
Scientists discovered a potent, new form of vitamin E, an antioxidant, in fish adapted for life in cold water.
By Janet Raloff -
Health & MedicineUSDA gives nod to irradiating meats
The federal government approved food irradiation, the only technology known to kill an especially lethal strain of bacteria, for use on raw meats.
By Janet Raloff -
Health & MedicineGlutamate glut linked to multiple sclerosis
The chemical glutamate can overwhelm nervous-system cells called oligodendrocytes, adding to the nerve damage caused by wayward immune cells in multiple sclerosis.
By Nathan Seppa -
Health & MedicineHysterectomy often improves sex life
A study of more than 1,000 women who had hysterectomies finds that after the operation, women generally wanted and had sex more often, were more likely to reach orgasm, experienced less vaginal dryness, and were less likely to have pain during sex than was the case before surgery.
By Nathan Seppa -
Health & MedicineOperation overload: Kids’ backpacks
Sixth-graders in Italy routinely carry school backpacks that equal, on average, 22 percent of their body weight, a finding researchers link to an earlier report that more than 60 percent of children in this age group had experienced low-back pain more than once.
By Nathan Seppa -
Health & MedicineStem cells repair rat spinal cord damage
Using embryonic stem cells from mice, researchers restored some movement in paralyzed rats that had undergone a crippling spinal injury.
By Nathan Seppa