Health Tech

Superhuman vision may be on the horizon

Contact lenses have traditionally been engineered to help the visually impaired see the world around them more clearly--to attain perfect, or close to perfect, vision.

But why not super vision? Why not a lens that could superimpose holographic driving control panels over a pilot's otherwise normal view? Enable Web surfing on the go? Provide a virtual world for gamers that covers their entire field of vision instead of just a plasma screen?

Engineers at the University of Washington have been asking just that as they manufacture first-gen versions of the bionic eye in the form of contact lenses with an imprinted electronic circuit and lights.

"Conventional contact lenses are polymers formed in specific shapes to correct faulty vision," writes Babak A. Parviz, an associate professor at UW who heads a multi-disciplinary group on electronics in contact lenses, in the September 2009 issue of IEEE's Spectrum. "To turn such a lens into a functional system, we integrate control circuits, communication circuits, and miniature antennas into the lens using custom-built optoelectronic components. Those components will eventually include hundreds of LEDs, which will form images in front of the eye, such as words, charts, and photographs."

New device better medicates menstrual cramps

For some women, menstrual cramps can get so bad that they lead to nausea, vomiting, and an inability to do much of anything for days. Having to endure this on a monthly basis is a pain in the, well, gut.

Good news, then, for the unlucky among us. New research to be presented at the 2009 American Association of Pharmaceutical Scientists (AAPS) annual meeting in November reveals that a new device to treat this pain is safe and effective--not to mention most likely affordable, since the device is essentially a glorified tampon.

The study was admittedly small: 18 participants, 18 more

New drug delivery system uses magnetism

There are many medical conditions that involve medication with intermittent doses on an as-needed basis, and often, that medication cannot be taken orally.

Scientists have long struggled with how best to deliver medication under these circumstances, where the delivery system might meet three key needs: intermittent dosing, with extreme precision, over the long term.

Research led by Daniel Kohane at Children's Hospital Boston may have hit on an effective new approach: a tiny, implantable device that releases the medication through a membrane whose porousness responds to the switching on or off of a magnetic field.

The membrane is embedded more

Should contraception qualify for climate funds?

Contraception would be the cheapest and most effective way to reduce carbon emissions worldwide between 2010 and 2050, according to a study by the London School of Economics.

The report, "Fewer Emitters, Lower Emissions, Less Cost," (PDF) determined that if contraception was made widely available between 2010 and 2050 to women and men around the world who wished to use it, the reduction in unwanted births could result in saving 34 gigatonnes (one billion tonnes) of carbon emissions. That's roughly 60 years worth of U.K. emissions or 6 years worth of U.S. emissions.

The cost for supplying, more

Can autism really be detected by voice alone?

The Lena Foundation, whose new autism-screening tool hit the market in September, claims that parents who use the Lena System are now able to determine with 91 percent accuracy whether their child is developing normally, has autism, or has unassociated language delays.

The home kit, which includes a digital audio recorder, an outfit to hold the recorder, and a questionnaire about the child's development thus far, costs $699. (The one-time language and autism screen, on the other hand, is $200.) The foundation, which develops technology for the screening of several types of language delays and disorders, says the kit more

Launch of new flu database ruffles feathers

After several months of strain with the developer of a flu database, the Global Initiative on Sharing Avian Influenza Data launched its own, admittedly less robust database interface on Monday.

GISAID has been under contract with the Swiss Institute of Bioinformatics since 2006 to promote its flu data via a platform called EpiFlu, which has been live since 2008. But since SIB removed access to EpiFlu from the GISAID Web site in July due to alleged late payments, GISAID has been working on developing a new version, now live.

It all started in 2006, when Italian veterinarian and researcher Ilaria Capua more

Showers may be far dirtier than we think

As if we didn't already have enough germs and toxins to deal with in our home environments (the lead in our paint; flame retardants in our furniture; indoor air quality and even the resulting air purifiers; to name a few), we now get to fret over another perpetrator: the showerhead.

Researchers at the University of Colorado at Boulder have just published a study in the Proceedings of the National Academy of Sciences finding that about 30 percent of the showerheads in nine cities (including New York, Chicago, and Denver) carry "significant" levels of Mycobacterium avium, a pathogen that is more

Medical tools top WSJ's tech innovation awards

For The Wall Street Journal's ninth annual technology innovation awards, editor Michael Totty reviewed nearly 500 entries and, with a team of judges, weighed which of the top 180 were the most groundbreaking and which were most likely to prove useful during economic hardship. The top two awards both went to medical technologies, besting energy-efficient next-generation LEDs and paper-thin flexible speakers. Affordable health tech seems to have impressed the judges as its own sort of innovation.

The gold award went to the Ibis T5000, a sensor developed by Abbott Laboratories and its Ibis Biosciences unit that can quickly detect more

Are cell phones safe? Researchers still uncertain

WASHINGTON, D.C.--The question over whether cell phones pose a health risk has been debated for years, and researchers say the final answer could still be years away.

Since the wireless industry's early days, there have been fears that cell phones could be harmful to your health. Some 600 studies have been conducted on the health effects of cell phone use, but the results have been conflicting.

Several reputable organizations, including the World Health Organization and the National Cancer Institute, say there's no conclusive evidence that using cell phones can harm your health. Other independent research, meanwhile,

World's smallest neurostimulator gets green light

A 67-year-old man who has suffered from Parkinson's disease since his early 40s has become the first person in the world to be implanted with the Brio neurostimulator, which St. Jude Medical says has just earned CE Mark approval (CE stands for Conformite Europeenne).

Weighing in at just 1 ounce and measuring a mere 10 millimeters thick, the Brio is the smallest, longest-lasting rechargeable deep brain stimulator (DBS) that aims to treat the symptoms of Parkinson's in the world, according to its creator. One battery is supposed to survive a decade of recharging.

"Deep brain stimulation therapy is more