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Monday, June 30, 2014

ScienceDaily: Top Health News

ScienceDaily: Top Health News

Noninvasive brain control: New light-sensitive protein enables simpler, more powerful optogenetics

Posted: 29 Jun 2014 11:21 AM PDT

Engineers have now developed the first light-sensitive molecule that enables neurons to be silenced noninvasively, using a light source outside the skull. This noninvasive approach could pave the way to using optogenetics in human patients to treat epilepsy and other neurological disorders.

Ankle replacement becomes more common to relieve severe arthritis pain

Posted: 27 Jun 2014 06:27 PM PDT

Improvements in implant design have prompted more people with severe arthritis in their ankle to consider ankle replacement to relieve pain. The newest implant is considered by many to be an advance over previous models, designed to better reproduce the ankle's natural motion and last longer.

How common are cruel comments posted to online news sites?

Posted: 27 Jun 2014 10:31 AM PDT

Anyone who's ever ventured into the comments section of a news website has likely observed some unfriendly exchanges. Now research has confirmed just how common such behavior is. The study found that more than 1 in 5 comments included some form of incivility, with name-calling as the most prevalent type.

New routine testing for some non-hodgkin lymphomas recommended

Posted: 26 Jun 2014 10:20 AM PDT

Three subgroups of a single type of non-Hodgkin lymphoma that have markedly different survival rates have been discovered by researchers. These subgroups could not be differentiated by routine pathology but only with the aid of novel genetic tests, which the research team recommends giving to all patients with ALK-negative anaplastic large-cell lymphoma (ALCL).
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