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Although we can't sense it, our eyes are constantly moving even when we are staring at an unchanging image. These are not just random "jitters," since they serve to increase visual acuity and compensate for head movements.

You have probably seen it on Facebook; a scary graphic which worries that GMOs can be detected in our blood. We certainly hope so.

A comprehensive study of heart attacks in women by the American Heart Association reveals many important differences between those that afflict men and women: symptoms, risk factors, diagnosis and treatment. Racial disparities also come into play.

Snow blower, shovel, scoop... how the heck do you know which one to use when the snow falls? There's one for the light and fluffy stuff, and then there's one for the harder, packed snow. UGH- this is all way over our heads

While thalidomide was responsible for tens of thousands of deformed babies in Europe in the late 1950s and early 60s, decades later data is showing the drug to be efficacious against certain chronic conditions. It's especially beneficial against the blood cancer multiple myeloma.

While many viruses create fear, the Zika virus is scarier in some ways because it affects unborn children and causes severe birth defects. While it rarely kills, it cannot be killed, because it isn't alive in the first place. No virus is. And except for supportive treatment, there isn't much that medicine can do about them.

A new study reveals how researchers were able to use a single gene therapy injection in dogs to successfully correct a rare type of hemophilia. Factor VII deficiency is an autosomal recessive bleeding disorder that affects about one in 500,000 people.

There have been repeated concerns about the inaccuracy of dietary reports who eats what, and how much. Since most of our dietary recommendations are based on memory-based disclosures, such inaccuracies undermine researchers' faith in the data. But wearable video recorders may be the solution.

Environmental activists often claim that there is antifreeze in some food. They are not wrong, but they make it sound harmful. Instead, it is even kosher. Maybe they don't know the difference, but you will after reading this article.

Lost in the political infighting tied to the Flint, Michigan water crisis is that lead levels in kids and adults are far, far lower than they have ever been. To that point, a report from a national newspaper highlights that, "after years of progress, context-free panic over events in Flint is counterproductive."

Had your vaccine, but still stressed about possibly getting the flu? That is the worst thing you can do. There s strong evidence that stress affects the immune system and can make you more susceptible to infections.

Seasonal Affective Disorder has had its validity questioned as a distinct mental disorder. Research published in journal Clinical Psychological Science provides persuasive data that casts major doubt on SAD being a legitimate psychiatric disorder.

Gastroschisis is a dangerous condition that causes a baby's intestines to dangle outside the body through a small hole near the belly button. Cases are up over 250 percent between 1995 and 2012. What's worse, it's increased among mothers of every age and racial/ethnic group studied, and researchers don't know why.

In a sense, you could describe most modern medications as judiciously applied poisons. And as guest writer Frank Schnell explains, that is just one facet to grasp if you're seeking the understand the confusing concept known as hormesis.

The lead-laden water crisis in Flint, Michigan has been a slow-motion failure of government and public health oversight at multiple levels. Do demonstrate this, here's a timeline, along with commentary, on how it happened. Why it happened is another story entirely.

A recent meta-analysis concluded, counterintuitively, that e-cigarettes might actually increase smoking instead of reducing it. How could that be? Dr. Stan Young, a ACSH Scientific Advisory Panel member, details how a meta-analysis works, and how it is so often misused.

Stuck indoors during the latest Snowmageddon? Grab some cocoa and some crystallography and learn how snowflakes form.

An advancement in online optometry is giving patients in need of a doctor's eye exam another option. Easy, convenient and affordable, this newest approach simplifies the check-up and prescription process. But without overall eye care being addressed, any hoopla over this kind of internet access might be premature.

A new study in JAMA Oncology proves that a type of the human papillomavirus, known to cause cervical and anal cancer, also causes cancers of the throat and head and neck. The proof of this revelation came via a simple, yet elegant method.

Metastatic cancer that is unresponsive to chemotherapy is considered incurable. But those days may be numbered, as scientists at the University of North Carolina may have uncovered the perfect system for delivering chemotherapy directly to the site of the cancer -- using a fraction of the conventional dose.

The health claims made by dietary supplement purveyors do not ring true, according to a "Frontline" exposé recently aired by PBS. Not only are many mislabeled as to content, some are actually dangerous and potentially lethal. Worse yet, the FDA can't get them off store shelves until someone is hurt or killed.

A recent seven-country study in JAMA evaluates approaches to cancer patient care in the last year of life. The findings were that the U.S. does unexpectedly well in several areas, but relies too much on ICU admission and chemotherapy at life's end, and too little on palliative care.

Hate chemicals? Then throw out that organic wine. A new study talks about all of the chemicals in wine -- and the Environmental Working Group will be horrified, because that adult beverage is chock full of cancer causers.

Sometimes bad science can lead to a good solution. Case in point: fixing a problem in 19th century London that miasma theory said should solve disease. A misunderstanding of the disease's nature ultimately proved beneficial when city officials solved the mystery of a real world issue -- nasty microbes.

"Supplements and Safety" an investigative report exposing the dangerous dietary supplement industry for what it really is aired last night on PBS. National coverage from a credible news outlet is welcome scrutiny of this important topic. If you missed it, please check your local listing for its next airing.