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You're athletic. You run regularly. You swim, cycle or lift weights to keep your muscles strong. And you watch what you eat for the purposes of remaining lean – and so that you can remain athletic. So you have all the bases covered, right? Well, almost, because a new study says "you still can’t outrun your risk factors” for cardiovascular disease, making doctor's visits essential.

Sleep is governed by the circadian rhythm, which is typically entrained to the 24-hour solar day. As the sun rises and sets the human body's metabolism responds accordingly. But in this case study, the circadian rhythm of a patient with bipolar disorder was also linked to the 24.8-hour lunar cycle, which contributed to his manic-depressive episodes.

With drastic shifts taking place in the medical profession, those weighing whether to enter it have had to grapple with two major issues: immense student debt and choice of career specialty. While NYU hopes that waiving tuition for its medical students will encourage them to join the thinning ranks of family-focused medicine, our veteran medical expert is skeptical.

There are signs that the devastating opioid crisis we're experiencing here is spreading to other nations – including the United Kingdom. Germany had the closest rates to those in the U.S., while in the U.K. doses per million people, per day, more than tripled.

GM crop adoption has been facilitated in developing countries through the development of biosafety frameworks, allowing for thorough risk assessments to be completed. Significant benefits from these crops have come in the domain of socio-economics.

Covering some 40,000 square miles with an average elevation of 13,000 feet, the Atacama is located mostly in Chile. But its outer regions stretch into nearby Peru, Bolivia and Argentina. What's more, it's home to the driest spot on Earth.

When ideology not medical reasoning guides infant feeding policy, nobody wins.

A vitamin allergy? Sounds strange, but some people are really allergic to Vitamin B12, which is necessary for all cells in the human body. What's going on? There is a hint in an alternate name for B12 - cyanocobalamin. The allergy to B12 is really an allergy to cobalt. 

Gender disparity can and does occur. A study of the outcome of a heart attack based on both the gender of the patient and physician tries to make a case for outcomes disparities attributable to gender. It casts no light and is deeply flawed.

When does repeating research studies surpass confirming known findings, for the purposes of validating legitimacy, to entering the world of the redundant and wasteful? When does more become less?

Causing trouble keeps Russia relevant. It's as if nihilism and cynicism are the two guiding principles of Russia's foreign policy. And if that's not enough, as part of its global mischief-making Russia is assaulting American science and technology.

Just when you think it's reached its peak, WebDumB comes through once again. The folks there have taken a look at places where germs lurk. Unfortunately, their "wisdom" is nowhere to be seen.

Given that insurers use backdoor access to your data (and the law has been unable to keep up, to prevent it), you may want to pay cash before you purchase your next bag of chips or condoms. And you ought to think twice when completing forms seeking demographic data on your race, or when you make a formal name change.

Sen. Warren, who has taken flak for claiming Native American ancestry, just released the results of a genetic test that definitively proves ... well, nothing. The U.S. Senator from Massachusetts might be 1/32nd Native American. Or 1/1024th. Nobody really knows.

The results of a new study are encouraging for those who wish to continue driving, but have been ambivalent about having the procedure. Older drivers who underwent cataract surgery lowered their crash risk by 61 percent.

Genetic manipulation can be a force for good, but some voices raise concerns. Not about the unintended consequences, but about their possible, darker uses, as weapons.

Among the latest fads are specialty salts, which are sold as if they are magic potions – by those who are always selling magic potions. Sea salt is one of them. In reality, this product should be called "Throw Sea Salt and Money Over Your Shoulder."

Clinical guidelines are increasingly influential but they're written by experts in the field. Are guidelines a faithful compilation of evidence, or instead, just biased, perhaps self-serving, self-regulation? Dr. John Ioannidis, one of medicine's important voices, weighs in.

Could it be that where we go to medical school makes us better, or worse, physicians? Or rather, is the old joke true? "Q: What do you call the student graduating at the bottom of their medical school class? A: Doctor."

It turns out that Type 2 diabetes is not one monolithic disease. There are at least five identified genetic dispositions affecting our metabolism in different ways. Precision medicine may be more difficult than we are led to believe.

The famous vodka company cashes in on the anti-science movement, announcing that it was renouncing GMO corn in its famous "No. 21 vodka." What's wrong with GMO corn? Nothing. In fact, it's a net positive for the environment.

A paper in the journal Science examines the implications of the genetic search that found a serial killer last April. A bit of genetics, a few basic demographics and you can identify that needle in the haystack. What can we do?

Ethanol is bad science and bad economics, and combined that makes it bad energy policy.

The organic industry is built upon a gigantic lie. It's the notion that "natural" farming methods are safer and healthier while "unnatural" methods are dangerous. It should surprise no one, therefore, that such a deceptive industry would attract its fair share of hucksters.

Contrary to wide-eyed speculation and fearmongering, coffee is not going extinct. Coffee bean production is up, and prices are down.