Hamd Waseem, Author at Percura

Guillain-Barré Syndrome Following Acute Pancreatitis: A rare but important association

Recently, I came across a fascinating case report in the International Journal of Medical Students that described an unusual and rarely reported clinical association: Guillain-Barré syndrome (GBS) developing in a…

Hamd Waseem January 28, 2026

Foundational Sciences Systems Physiology

Countercurrent Exchange – How a Duck’s Feet Don’t Freeze

If you’ve ever stood barefoot on a cold kitchen tile, you know it’s uncomfortable. Now imagine standing on a literal block of ice for six hours. That is basically the…

Hamd Waseem January 21, 2026

Foundational Sciences Medical Physics

How Do MRI Scanners work?

So, you’ve probably seen an MRI machine in a movie or a hospital. It’s that giant, noisy doughnut-shaped tube that people slide into. But have you ever wondered how a…

Hamd Waseem January 14, 2026

Clinical Research Public Health

Combating Rheumatic Heart Disease in Pakistan: A student perspective

So, I recently came across an article in the International Journal of Medical Students about a student-led program in Pakistan tackling something called Rheumatic Heart Disease (RHD). RHD is a…

Hamd Waseem January 7, 2026

Foundational Sciences Systems Physiology

The Bohr Effect – How blood knows where to drop oxygen off

So you probably know what haemoglobin is (or hemoglobin for the American readers out there :D) - it binds to oxygen in the blood. Why? To drop it off at…

Hamd Waseem December 27, 2025

Clinical Research Pathology Studies

Can We Really Cure Ageing?

https://youtu.be/T8bMzDPzq0U We often think of ageing as nature’s one unbreakable law. Everyone gets older. Cells slow down, tissues wear out, and eventually, the body gives in. But over the past…

Hamd Waseem October 4, 2025

Chemical Pathways Clinical Research

Pharmacogenomics – How Your Genes Influence Drug Response

So you've probably noticed this at some point: two people taking the same medication for the same condition but both experience very different effects. One gets better quickly with no…

Hamd Waseem August 3, 2025

Clinical Research Paper Reviews

Is It Possible to Identify TB Only By A Patient’s Cough?

https://innotub.eu/wp-content/uploads/2020/08/5149398656_ebd66669fa_z.jpg Recently I've been working on finding sources for my HPQ about AI assisted diagnostics methods for TB (tuberculosis), when I stumbled upon a research article that proposed the usage…

Hamd Waseem February 3, 2025

Foundational Sciences Medical Physics

What are Non-Newtonian Fluids and How Do They Work?

https://web.mit.edu/files/images/201910/MIT-Cornstarch-SL_0.jpg You've probably heard of Oobleck, a mix of cornstarch and water. It's a fluid that is soft when less force is applied but hard when more force is applied;…

Hamd Waseem February 1, 2025

Clinical Research Public Health

hMPV Explained, And Why You Don’t Need To Worry

hMPV has recently worried many people over the world due an increase in cases of it in China. It's one of the viruses that causes common cold, and for some it may actually cause more severe symptoms. But you don't need to worry too much [...]

Hamd Waseem January 19, 2025