Latest News

Toxoplasma infection permanently shifts balance in cat and mouse game

Infection with the toxoplasma parasite makes mice fearless in the presence of cats -- to their regret. But how does the protozoan do that? Scientists looked at the effects of three common strains of toxoplasma and found that they remove the fear of cat urine for as long as four months, long after the mice have cleared the parasite from their brains. The parasite appears to make permanent changes in the brain's neurons.
View full story

Post your comment.

Name:
Email:
Rating:
Comment:
Verification
 

  • Food may be addictive: Food craving may be 'hard-wired' in the brain

  • Testosterone changes brain structures in female-to-male transsexuals

  • Cold weather associated with higher risk of severe heart attack

  • Cold weather linked to increased stroke risk in atrial fibrillation patients

  • How can we prevent suicide? Major study shows risk factors associated with depression

  • Scientists show how magnetic pulses change the brain in treatment for depressed patients

  • A single cocaine dose lowers perceptions of sadness and anger

  • Better signs could help reduce friction between motorists, bicyclists

  • Depression and extremes of blood pressure predict highest rates of harmful vascular events

  • Midday naps associated with reduced blood pressure and fewer medications

  •