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Stories by Katherine Harmon

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False claims still pervade the supplements industry

July 1, 2010 — Katherine Harmon

Genome Sequencing for the Rest of Us

Even as scans get faster and cheaper, many diseases still have unknown or sketchy genetic correlates. How much stock should consumers put in personal genome sequencing?

June 28, 2010 — Katherine Harmon

Full genome sequence shows body lice have lousy sense of smell

The body louse, a plague to humans and our ancestors for millions of years, subsists exclusively on our unwitting hospitality. Scientists have now parsed the modern human body louse's ( Pediculus humanus humanus ) genome, revealing a deep evolutionary dependence on humans and "remarkable completeness," despite being the shortest yet decoded in the insect group, the researchers wrote in a study published online June 21 in Proceedings of the National Academy of Sciences ...

June 21, 2010 — Katherine Harmon

White rice raises risk of type 2 diabetes

White rice joins the growing list of refined carbohydrates with links to increased risks for diabetes, according to a new large study that quantified odds for consumers of white rice—as well as brown rice...

June 14, 2010 — Katherine Harmon

Were some gigantic Jurassic sea creatures warm-blooded?

In ancient Mesozoic seas, the biggest predators might not have been entirely cold-blooded killers. Rather, a new study suggests some of these rapacious reptiles might have been able to regulate their own body temperature, thereby expanding their hunting ranges. 

Some modern aquatic reptiles, including leatherback turtles, as well as some sharks and tuna are able to keep their body temperatures relatively stable compared to the fluctuating water temperatures around them...

June 10, 2010 — Katherine Harmon

Vitamin D deficiency linked to genetic polymorphisms

At least half of adults in developed countries have deficient levels of vitamin D, and low levels of this vitamin have been linked to bone fragility, cancer, heart disease and immune system problems...

June 10, 2010 — Katherine Harmon

Babies born early--even by a week--are more likely to have special education needs

Premature infants have a known higher risk for poor neurological development, often leading to developmental and educational issues. However, these babies, born before 37 weeks, make up a small number of any generation, and new research shows that the 40 percent of babies born any more than a week before a full 40-week term are also at higher risk for having special education needs during childhood...

June 9, 2010 — Katherine Harmon

Did CIA doctors perform torture research on detainees?

Doctors and other health professionals working for the U.S. Central Intelligence Agency (CIA) might have been illegally performing research on detainees after the September 11, 2001, terrorist attacks, according to a new report issued by the advocacy group Physicians for Human Rights...

June 7, 2010 — Katherine Harmon
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