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Vaccination is a pillar of disease prevention, but Americans are under-vaccinated. We need a multi-pronged public education campaign with participation from politicians and celebrities of every stripe.

Prohibition of drugs simply doesn't work. Clamping down on Percocet and Vicodin resulted in a surge in heroin use. Fentanyl took care of that market and now even worse drugs called nitazenes are being found in fentanyl samples. Dr. Jeff Singer and I discuss this latest development in USA Today

Scaling often refers to the ability of a system, application, or network to handle an increasing amount of work, users, or data. Scalability in human behavior considers how individual actions aggregate to form group dynamics, social institutions, and even global phenomena. As we continue to urbanize and our cities grow larger, it is increasingly vital to understand not just the use of resources but the creation of waste.

Pharma companies have taken to combining over-the-counter drugs into the same pill or bottle and charging higher prices. There's little evidence this marketing practice benefits anybody but said pharma companies. There's a new pesticide scare loose in the headlines: the weedkiller paraquat allegedly causes Parkinson's Disease. It's a phony scandal cooked up by activists and trial lawyers.

With the EPA finding that glyphosate is not likely to be carcinogenic to humans and the plaintiffs’ five-case winning streak against Bayer broken, things had been looking up on the Roundup event horizon. Alas, last week’s verdict dinged Roundup yet again. and some 40,000 cases are still pending. What can we expect next?

If Tylenol trials are off the table, what else tempts? How about the weed killer Roundup - the most popular and successful herbicide ever? Luckily for the plaintiff’s bar, there’s some evidence that it causes cancer. There’s also sound evidence that it doesn’t. Eighteen cases have gone to verdict. Bayer (which owns Monsanto, the product’s developer) won ten; the plaintiffs won eight. So, is the stuff human-harmful or not? Who decides in a court of law and how? And what’s next?

“The Controlled Substances Act (CSA) places all substances that were in some manner regulated under existing federal law into one of five schedules. This placement is based on the substance’s medical use, potential for abuse, and safety or dependence liability.” The FDA has proposed changing the classification of marijuana from a Schedule I to a Schedule III drug. Let’s break down its thinking.

Childhood lead exposure remains an unresolved issue across the US, particularly from lead paint in older homes. Should we be worried about our health if we live in a house with lead-based paint?

“There is high‐certainty evidence that ECs [electronic cigarettes] with nicotine increase quit rates compared to NRT [nicotine replacement therapy] and moderate‐certainty evidence that they increase quit rates compared to ECs without nicotine.” That is the initial statement by the Cochrane Group in its current report on electronic cigarettes. Care to know more?

The magic of comfort food lies in its ability to nourish both body and soul. While few argue that it enriches one’s soul, providing solace and comfort, some believe that improvements can be made in bodily nourishment.

Christina Applegate’s recent appearance at the Emmy’s sparked a moment of empathy and recognition for the more than 2.5 million individuals around the world struggling with multiple sclerosis (MS). This autoimmune disease of the brain and spinal cord has genetic and environmental roots. A new study connects the two and reminds us that we, too, are evolving.

This article may sound stupid (and for good reason), but it's actually an interesting lesson in chemistry and enzymology. Will you dismiss it outright as another example of another moronic Bloom offering, or wonder why some simple chemistry can explain why pee is yellow and poop is brown? I suggest the latter. Makes for good bathroom reading.

In December, Federal Rule of Evidence 702, the federal statutory law governing expert witness opinion's admissibility, changed. This change was made to emphasize “[E]ach expert opinion must stay within the bounds of what can be concluded from a reliable application of the expert’s basis and methodology.” This will have profound implications for mass tort cases that rely heavily on scientific evidence and the testimony of expert witnesses.

Plant-based foods
Banning Kools
A dress with a mystery
Dishing the dirt on the discovery of DNA

In 2012, New York Mayor Michael Bloomberg proposed that to reduce obesity, the city would prohibit the sale of any sugar-containing beverage in containers greater than 16 ounces. A new study looks at a similar approach to improving public health in the U.K., by reducing the size of a glass of wine. It found that size matters – sort of.

What if improving education, income, and housing could reduce the disparities in healthcare outcomes by half? Identifying needs is proving more difficult than we anticipated.

The Roman politician Cicero once said, “When there is no basis for an argument, abuse the plaintiff.” Some interpret this to mean that the best defense is a good offense. I’ve another interpretation: When you have no explanation – deflect, defer, confound, and confuse the listener with irrelevancies. That about sums up the latest rhetoric of climate change deniers.

This story begins with a simple question: What is the prevalence of substance use disorders in patients surviving cancers? The “substances” in those use disorders can be causes of cancer and, more often, self-treatments for the stress and pain. 

The American Academy of Pediatrics continues to wreck its reputation by taking ideological, unscientific stances on important public health issues. Its latest faux pas: a fatuous report attacking crop biotechnology and pesticides.

In this radio conversation, John Batchelor and I discuss the effectiveness of vaccines and the challenges posed by new variants of SARS-CoV-2 (the virus that causes COVID-19) such as the now-dominant JN.1.

Higher education has strayed from its mission of teaching critical reasoning and open discourse. Many universities now shelter students from uncomfortable ideas, leading to a suppression of individuality and non-conforming thought, and they practice discrimination in admissions, hiring, and promotions. Prospective donors should withhold philanthropy until these trends are reversed.

Ambient air quality standards have been established by testing animals and evaluating adverse health effects in populations. To maintain ambient concentrations within those standards, emissions are controlled based on statistical relationships with ambient exposures known as dose-response functions (DRFs).

Until human fallibility is removed from decision-making, we will continue to make errors. A new JAMA Internal Medicine piece provides an update on, as former New York City Mayor Ed Koch would say, “How am I doing?” Spoiler alert: it depends.

Electric vehicles (EV) have been hailed as our gateway out of fossil fuel "addiction." But recent declines in EV sales driven by reliability issues have raised tough questions about the future of this once-celebrated technology. It's an age-old question: bidet or no bidet? Let's see if science can bring clarity to this contentious debate.

Why do we treat ports gambling differently?
The myopic are coming
Mick Jagger is 80 and has a heart valve. My music and musicians are getting old.
More Smoke and Mirrors from Florida