Medical MCQ

🧠 Is ChatGPT making writing easier… but thinking weaker?

A study from the MIT Media Lab explored what happens in the brain when people write essays using AI.

Researchers studied 54 participants writing with:
🤖 an LLM like ChatGPT
🔎 a search engine
🧠 no external tools

Using EEG measurements, they found that participants writing without AI showed the strongest and most widely distributed brain connectivity, while the LLM group showed the weakest overall connectivity during the task.

Even more interesting: people using an LLM had more difficulty accurately quoting what they had just written.

But there’s an important detail 👇

You may have seen viral claims that ChatGPT causes a “47% drop in brain activity.” That’s misleading.

The study measured differences in specific patterns of EEG connectivity — it did NOT show that ChatGPT damages your brain by 47%.

The researchers also emphasize that the findings are preliminary and specific to this type of essay-writing task. They shouldn’t automatically be applied to every way we use AI.

The bigger question may not be whether we should use AI — but how we use it.

💡 AI can remove friction from thinking. But if it starts replacing too much of the thinking itself, could there be a cognitive cost?

What do you think? 💭
Tag someone who should see this. 👀

ℹ️ Sources:
MIT Media Lab (2025) — Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task
Kosmyna et al. (2025) — EEG study comparing LLM, search-engine, and brain-only essay writing
MIT Media Lab (2026) — Research overview on AI, cognition, attention, memory, and engagement

Research suggests that coconut water provides several nutrients that may support a healthy pregnancy. Proper hydration is essential during pregnancy, and coconut water offers a naturally mineral-rich alternative to plain water.

This natural drink contains important electrolytes such as potassium and magnesium, which help regulate body fluids and support normal nerve and muscle function in the mother. These minerals may also contribute to reducing fatigue and stress, helping maintain a stable environment that supports fetal development.

While no single food determines a baby’s temperament, coconut water also contains B vitamins that support the mother’s metabolism and brain health. In turn, these nutrients play a role in supporting the developing nervous system of the baby.

Healthcare professionals emphasize that coconut water can be a healthy addition to a prenatal diet, but it should be viewed as just one part of a balanced nutrition plan. A varied diet, proper hydration, and regular prenatal care remain the most important factors for protecting the health of both mother and child.

Source: Cleveland Clinic. (2023). Is Coconut Water Good for You? Cleveland Clinic Health Essentials.

Researchers at the University of Milan have been studying the role of a protein called phospholipid transfer protein (PLTP) and its potential effects on cholesterol movement within the body. Their findings suggest that this enzyme may help transport cholesterol away from arterial walls and back into circulation.
Atherosclerosis occurs when fatty deposits made of cholesterol, immune cells, and other substances build up inside arteries. Over time these plaques can narrow blood vessels, restrict blood flow, and increase the risk of heart attacks or strokes.
Current treatments for heart disease often focus on preventing new plaque from forming using medications such as statins, lifestyle changes, or cholesterol-lowering therapies. In severe cases, doctors may perform procedures like angioplasty, stent placement, or coronary bypass surgery to restore blood flow.
Scientists are exploring whether enzymes like PLTP could help the body naturally move cholesterol away from plaque buildup. If future studies confirm this effect in humans, it could open the door to new therapeutic strategies targeting existing plaque rather than only preventing new deposits.
Researchers emphasize that this work is still part of ongoing scientific investigation and requires further clinical testing before becoming a medical treatment.
However, the research highlights how molecular biology may contribute to new approaches for managing cardiovascular disease.

A direct hit to the testicles is known to cause extremely intense pain, and there's a biological reason for it. The testicles contain a high density of sensitive nerve endings and are connected to major nerves that also serve the abdomen and lower body. When they are struck, pain signals rapidly travel through the genitofemoral and vagus nerve pathways, which can trigger symptoms like nausea, abdominal pain, sweating, or even fainting.
You may have seen claims online saying this pain measures 9,000 units on the "Del scale" and is equal to breaking thousands of bones or giving birth many times at once. However, the Del scale is not a scientifically recognized medical pain scale, and those comparisons are more internet myths than real measurements.
What science does confirm is that testicular trauma activates powerful nerve responses and protective reflexes in the body, which is why the pain can feel sudden, overwhelming, and spread beyond the original injury site.

The documentary "Root Cause" once appeared on Netflix but was later removed after strong criticism from dental professionals and scientists.

The film explored controversial ideas about whether root canal treatments could influence overall health. While these claims sparked a lot of discussion online, most dental and medical organizations say there is currently no reliable scientific evidence linking root canals to cancer or chronic disease.

Still, the debate raised an interesting reminder: oral health is closely connected to overall health, and ongoing research continues to explore how infections and inflammation in the mouth may affect the rest of the body.

What do you think , should controversial medical ideas be openly discussed, or removed when the evidence is weak?

Parmesan cheese is often called “nature’s protein bar” — and nutritionally, it comes surprisingly close.
Aged Parmigiano Reggiano contains about 35–36 grams of protein per 100 g, making it one of the most protein-dense natural foods. Because it’s traditionally aged for many months, most of the lactose breaks down during fermentation, leaving a concentrated source of protein, calcium, and essential amino acids. Unlike many packaged protein bars, parmesan contains no seed oils, no added sugar, and minimal ingredients — typically just milk, salt, and cultures.

Its long aging process also creates bioactive peptides that may support digestion and mineral absorption. While it’s calorie-dense and salty (so portions matter), parmesan delivers a powerful combination of high-quality protein, calcium, and micronutrients in a simple, whole-food form — which is why many nutrition experts jokingly call it “the original protein bar.”

A man who had suffered abdominal pain for many years finally discovered the surprising cause during medical testing. Doctors found a rusted miniature Hot Wheels toy car lodged inside his intestine 🚗🩺. The tiny toy had likely been swallowed accidentally when he was a toddler, then remained hidden in his digestive tract for about three decades without being noticed.

Over time the toy caused irritation and eventually blocked part of his intestine, which led to persistent pain and digestive problems ⚕️🫁. Doctors removed the toy during surgery and the case amazed medical staff because it showed how a small swallowed object in childhood can remain in the body for decades before causing symptoms 🧑‍⚕️🔬.

In 1984 a British woman named Jacqueline Duffin wrote about an unusual medical story involving a patient in the United Kingdom who reported hearing clear voices that warned her she had a brain tumour. The woman had no obvious neurological symptoms at the time.
According to the report the voices told her that doctors should examine a specific area of her brain. When medical imaging was eventually performed the scan revealed a tumour in exactly the location the voices had described. Doctors then carried out surgery to remove the mass.
After the operation the woman reported hearing the voices one last time. They told her something like we are pleased to have helped you goodbye and then they never returned. Cases like this are discussed in both medicine and psychology because they raise questions about how the brain processes perception and internal thoughts.
Researchers sometimes compare the experience to conditions such as Auditory Hallucinations or unusual neurological events linked to brain activity. Even though the story is often shared as a mystery scientists generally view it as an example of how complex and not fully understood the human brain can be.