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Why we vaccinate – pertussis and epilepsy are linked

There is really only one reason to vaccinate – protecting everyone, especially children, from dangerous vaccine preventable diseases. We have eliminated smallpox. We have almost eliminated polio.

And we had almost made measles extinct, until the myth that the MMR vaccine (to prevent mumps, measles and rubella) caused autism, started by one of sciences greatest fraudsters, the defrocked Mr. Andy Wakefield. It’s a myth that’s been thoroughly and definitively debunked.

One vaccine preventable infectious disease that we’ve been unable to conquer is  whooping cough (caused by the bacteria, Bordetella pertussis), also known as pertussis. Pertussis is a relatively dangerous infection, the disease itself has serious consequences for children and adults:

  • 1 in 4 (23%) get pneumonia (lung infection)
  • 1 or 2 in 100 (1.6%) will have convulsions (violent, uncontrolled shaking)
  • Two thirds (67%) will have apnea (slowed or stopped breathing)
  • 1 in 300 (0.4%) will have encephalopathy (disease of the brain)
  • 1 or 2 in 100 (1.6%) will die

Whooping cough can be easily prevented by the DTaP or Tdap vaccines (which also protect against tetanus and diphtheria). The vaccines can be given to infants as early as 6 weeks to 2 months old.

As with all medical procedures, there are some adverse effects with the pertussis vaccines. Moderate adverse effects from the vaccine occur in about 1 in 10,000 (or even fewer) injections. The most severe effects, which may or may not be causally related to the vaccine since the rate is  so low, are in the range of 1 out of a million doses.

One out of one million doses of the vaccine cause a serious adverse event (maybe). Compare that to the 1-2 out of 100 will die of the disease. Unless you flunk math, there is no rational reason to avoid the vaccine.Read More »Why we vaccinate – pertussis and epilepsy are linked

Part 6. Medical uses for cannabis – the TL;DR version

This is Part 6  of a series of six articles discussing various medical uses for cannabis or marijuana. In this part, I summarize all of the five previous articles into some bullet points so that you have quick and fast access to some scientific information about medical uses for cannabis or marijuana.

In case you missed them, here are the first five articles in this series:

Part 1. Marijuana and medicine assessing the science.

Part 2. Marijuana and cancer – assessing the science

Part 3. Marijuana and neurological disorders – assessing the science

Part 4. Marijuana and health risks – assessing the science

Part 5. Marijuana and pregnancy – assessing the science

Maybe you don’t agree with the science about marijuana’s role in medicine. But that’s not how science works. The evidence should lead you to a conclusion (actually, the acceptance or rejection of a hypothesis). One shouldn’t form an a prior conclusion, then go hunt for data. That’s not how it works.

As new systematic or meta reviews bring more clinical evidence of the benefits of the medical uses for cannabis – this takes time – maybe evidence based medicine can incorporate marijuana into the armamentarium of medical practice. But only real clinical evidence matters.

So let’s review where the evidence leads us.Read More »Part 6. Medical uses for cannabis – the TL;DR version

Part 1. Marijuana and medicine assessing the science

I suspect, like legal same sex marriage, social norms are changing across the USA (and the world), which has lead to the decriminalization of marijuana in 23 states and the District of Columbia for some medical conditions. The US Federal Government, has shown little enthusiasm in enforcing Federal law about cannabis, although the Federal government retains the highest authority in regulating certain drugs like marijuana. So let’s look at marijuana and medicine assessing the science critically.

It’s clear that rational people still want regulations for marijuana, including prohibitions against public smoking (I don’t want second hand cannabis smoke wafting over me or my children, as much as I don’t want to inhale other people’s tobacco smoke). And a safe society would have strict regulations that would forbid marijuana smoking by individuals who have roles in public health and safety like physicians, pilots, mass transit drivers, and others.

But I think those would be reasonable boundaries for legalization of cannabis that would be reasonable to most people. But this is not the point of this article.

As the push to legalize marijuana for personal or medical use gains traction in the USA, there has developed a strong belief, unsupported by evidence, of the value of the medical uses of cannabis. What is troublesome is that the pro-marijuana side seems to make claims about the medical uses of cannabis that appear to be only tenuously supported by real scientific evidence.

In fact, some of the claims are downright dangerous. The reasons for pushing this is probably, though I can only speculate, to make it appear that marijuana is some miracle product, so let’s speed up the legalization of it. It’s like the Food Babe telling us that kale is the miracle food, except that kale isn’t illegal. It does taste awful (but again, not the point).

Because of the amount of scientific information, this article is part 1 of a 5-part series about marijuana and medicine – assessing the science. For detailed analysis of various aspects of the science of marijuana and medicine, check out each of the subtopics:

Part 2 – Marijuana and cancer
Part 3 – Marijuana and neurological disorders
Part 4 – Marijuana health risks
Part 5 – Summary of marijuana and medicine

Read More »Part 1. Marijuana and medicine assessing the science

Part 3. Marijuana and neurological disorders – assessing the science

This is Part 3  of a series of six articles discussing marijuana’s use in medicine and health care. In this part, we discuss marijuana and neurological disorders – probably the only field of study regarding medical uses of cannabis that has a robust area of clinical research.

Although research into the use of marijuana and cancer takes all the news these days, there is probably just as vigorous research into neurological disorders.  If you read the story regarding CNN’s chief medical correspondent, Dr. Sanjay Gupta, who claimed he changed his mind about marijuana, you’d know he was also convinced that marijuana had some great potential in mental health. But is there really any high quality evidence?

In this article, I’ll look at some of the more prominent claims, along with a skeptical analysis of those claims.Read More »Part 3. Marijuana and neurological disorders – assessing the science

Medical uses of marijuana–hitting the bong of science (updated again)

Marijuana_Cures_CancerEditor’s note–this article has been updated and included into a multi-part series on marijuana and medicine. Check it out there. 

As the push to legalize marijuana for personal or medical use gains traction in the USA, the “pro-pot” arguments become more enthusiastic and more off the beaten track of real science. I suspect, like legal same sex marriage, social norms have changed, and legal marijuana is something that will become commonplace across the country, except in some deeply conservative areas. The Federal Government has shown little enthusiasm in enforcing Federal law, which retains the highest authority in regulating certain drugs, in states that allow legal marijuana.

I personally have no issue with smoking marijuana, since other “drugs”, like alcohol, are completely legal and socially acceptable. I think that legalizing marijuana will reduce much of drug trafficking, reduce the burden of law enforcement and penal system costs, and have other beneficial effects to society.

I still want regulations such as control over public smoking (I don’t want second hand cannabis smoke wafting over me or my children, as much as I don’t want to inhale other people’s tobacco smoke), there needs to be regulations about when it might be illegal to be high (I don’t want my Delta Airlines pilot to be smoking weed before flying my jet, and I don’t want automobile drivers to be under the influence), and I want age regulations no different than there is for alcohol and cigarettes (despite . But I think those are reasonable boundaries for legalization of cannabis that would be reasonable to most people. But this isn’t the point of this article.

What troubles me about the “debate” about legalization of cannabis is that the pro-pot side seems to make claims about various medical benefits that appear to be only tenuously supported by real scientific evidence–in fact, some of the claims are downright dangerous. The reasons for doing this is probably, though I can only speculate, to make it appear that marijuana is some miracle product, so let’s speed up the legalization of it. It’s like the Food Babe telling us that kale is the miracle food, except that kale isn’t illegal. It does taste awful (but not the point).Read More »Medical uses of marijuana–hitting the bong of science (updated again)