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Friday, September 19, 2025
Dr. William Brown is a professor of neurology at McMaster University and co-founder of the Infohealth series at the Niagara-on-the-Lake Public Library.

Author's Latest

Dr. Brown: Hype and hope in Alzheimer’s disease

“It sounds great to treat as early as possible, but the drug had better be not only effective, but safe and free from troublesome side effects in patients who are clinically well,” writes Dr. William Brown.

Dr. Brown: True sciatica and how you know when it’s present

“Despite so much muscle, compression of the nerve can still cause symptoms. For example, the nerve may be compressed within the sciatic notch by an enlarged piriformis muscle through which the nerve passes on its way through the notch,” writes Dr. William Brown.

Dr. Brown: Degenerative disease in the spine, part 2: The neck

“Evidence that the spinal cord is compressed is based on weakness in what’s often referred to as a ‘long-track’ distribution,” writes Dr. William Brown. “Some patients report that they feel an electric shock sensation extending from their neck and often into their trunk legs when they flex their neck, cough or step down hard on something.”

Dr. Brown: Degenerative disease in the spine, part 1: Lumbosacral spine

For those in the later stages of life dealing with degenerative changes, “sorting out which clinical, radiological and electrodiagnostic features best explain the symptoms can be very challenging,” writes Dr. William Brown, “and the reason why surgery to relieve symptoms related to degenerative disease so often fails to relieve symptoms.”

Dr. Brown: When electrical signalling in the brain fails

“Interfering with signalling in the peripheral and central nervous systems has serious functional consequences, the effects of which may be masked by the capacity of surviving nerve fibres and nerve cells to carry the load — up to a point,” writes Dr. William Brown.

Dr. Brown: Religion, humanity and a god too small

“Looking back at the roadmap to modern humans, the evidence suggests that we are but a way station to other species in the future and as susceptible to extinction as any other hominin before us,” writes Dr. Williams Brown. “In short, if there is a God, that God lets life play out with little interference.”

Dr. Brown: Avian flu, a.k.a. H5N1 – the next pandemic?

The possible transmission of H5N1, also known as bird flu, into the human population, and then from human to human, “would put us a risk for a second pandemic in less than a decade, and this time, the political climate has changed and might hobble our response to a possible pandemic,” writes Dr. Brown.

Dr. Brown: The tiny and the gargantuan in the universe

“Heisenberg was right in his day — there were no methods for ‘seeing’ atoms, never mind, electrons. But these days the first fussy pictures of atoms have been seen and electrons tracked,” writes Dr. William Brown, covering two scientific objects of recent fascination for him: A giant red star and a photon of light.

Dr. Brown: Einstein: What he got right and wrong

“Einstein was a brilliant theorist, bold in his thinking, relentless and determined,” writes Dr. William Brown. “But he could be stubborn to the point of failing to recognize inconvenient facts derived from his own studies.”

Dr. Brown: Computers — early days to modern times

In this week’s column from Dr. Brown, he traces the evolution of computer technology’s use in the field of scientific research, from its earlier, more elementary uses in the late 20th century, to the unfolding possibilities of today’s AI machine learning.

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