Abdul Fazel Fazeli

@ShiningScience Bacterial resistance does not represent an increase in genetic information. In most cases, it results from the loss or inactivation of existing gene functions, such as the deletion or modification of drug receptors. Therefore, antibiotic resistance does not reflect evolution.

Evolution is a scientific fact supported by fossils, genetics, and real-time observation. Ultimately, it is one of the most well-supported and foundational principles in modern science, backed by an overwhelming body of evidence. Let’s dive into the evidence and what we know about where we came from. Fossils reveal clear records of species transformation over millions of years, including transitional forms that show how ancient species gradually gave rise to modern ones. Genetics adds another layer of confirmation, uncovering shared DNA sequences that point to a common ancestry among all living organisms. These genetic similarities—whether in fruit flies or humans—are impossible to ignore and provide a molecular map of evolutionary history. But evolution isn’t just something that happened in the distant past—it’s happening right now. The rise of antibiotic-resistant bacteria and pesticide-resistant insects are real-time examples of natural selection, one of evolution’s key mechanisms. Other forces like genetic mutation, recombination, and genetic drift also help explain how species adapt and diverge over generations. With a solid theoretical foundation and observable phenomena to match, evolution stands as both a scientific fact and a powerful explanatory framework for understanding the diversity of life on Earth. Source: National Academy of Sciences. (2008). Science, Evolution, and Creationism. Washington, DC: The National Academies Press.

@ZahoorAhmed1450 PPI (Omeprazole)

Drug of choice for NSAID-induced gastric ulcer? A) PPI (Omeprazole) B) H2 blocker (Ranitidine) C) Antacid D) Metoclopramide

Walking backward, also known as retro-walking, activates the brain more than normal walking because it is less automatic and requires greater concentration and control. This increased demand stimulates the prefrontal cortex, which is responsible for logic, problem-solving, focus, and decision-making. Retro-walking also enhances spatial awareness, memory, coordination, and balance by encouraging the brain to form new neural pathways. Research suggests that even visualizing backward walking can improve memory and reaction time, showing its strong cognitive impact. These benefits have been highlighted by UCLA Health, which notes the connection between backward movement and increased cognitive engagement.

Your heart’s magnetic field is 100x stronger your brain’s—and reaches three feet away. The HeartMath Institute summary of McCraty’s (2004) chapter explains that the human heart generates the body’s most powerful electromagnetic field, both electrically and magnetically. The electrical field of the heart, measured by the electrocardiogram (ECG), is described as roughly 60 times greater in amplitude than brain waves recorded by an electroencephalogram (EEG). The magnetic component of the heart’s field is reported to be about 100 times stronger than that produced by the brain and can be detected several feet away using SQUID-based magnetometers. This field permeates every cell of the body and is proposed to function as a global synchronizing signal, analogous to how information is carried by radio waves. The summary further notes that the rhythmic patterns of heart rate variability (HRV) change systematically with emotional states, and these shifts in rhythm are reflected in electromagnetic, sound pressure, and blood pressure waves generated by the heart. According to the chapter, these waves are “felt” by all cells, supporting a view of the heart as a central organizer of physiological coherence. The text also suggests that the heart’s field is not only an internal signaling mechanism but may support energetic communication between people when they are within range of one another’s bioelectromagnetic fields. References: McCraty, R. (2004). The energetic heart: Bioelectromagnetic communication within and between people. In P. J. Rosch & M. S. Markov (Eds.), *Clinical applications of bioelectromagnetic medicine* (pp. 541–562). Marcel Dekker. HeartMath Institute. (2004). *The energetic heart: Bioelectromagnetic communication within and between people* [Research summary]. HeartMath Institute.

@ScholarshipfPhd 😂😂

Married PhD

Life saving tips- the emergency techniques that everyone should know 💯 👇

The day a doctor chooses the path of medicine, they spend that day of their life saving the lives of others, enduring all the hardships — and they call that day Thanksgiving Day for themselves

@ItenHani Mashallah👏

Onee daay, it was all I wanted 🤷‍♀️ سبحان الله 😂🤷‍♀️❤️

How it started and how it ended! ♥️💯 Today, I’m proud to share one of the biggest milestones in my life: receiving my ECFMG certification and completing my USMLE journey. It is a story of resilience, faith, and determination.

@GaffarManhal Congrats, Dr. Gaffar! Your hard work and determination really inspire me to keep pushing forward, even with how tough things are here in Afghanistan.

Interesting ECG yesterday at the ER. What’s your take? #ECG #EPeeps #Cardiology #cardiotwitter

Mashallah Omar M Yaghi, congratulations. #Chemistry

@Doctors__squad Heart failure

What is the most likely diagnosis❓

BREAKING NEWS The Royal Swedish Academy of Sciences has decided to award the 2025 #NobelPrize in Physics to John Clarke, Michel H. Devoret and John M. Martinis “for the discovery of macroscopic quantum mechanical tunnelling and energy quantisation in an electric circuit.”

Sincere congratulations to Mary E. Brunkow, Fred Ramsdell,and Shimon Sakaguchi on receiving the 2025 Nobel Prize in Physiology or Medicine for their pioneering discoveries on peripheral immune tolerance. #NobelPrize #Medicine #Science #lmmunology

@Doctors__squad A med student’s gotta study till midnight, exam or not — or else, they’re doomed! 💀📚

@DrAkhilX Haha yeah, just like that time when the patient’s heart was actually on the right side, but all the doctors were standing on the left listening with their stethoscopes, saying “his heart’s not okay” — while the poor guy’s heart was perfectly fine 🤣

Head Of Department(HOD)'s splenomegaly.

YOUR HEART IS YOUR LIFE FORCE It works non-stop, beating about 100,000 times per day, and only slowing down when you sleep. In commemoration of #Worldheartday here are 7 diseases of the heart, and how to avoid them 👇🏼

New adult coronary research: Read the impact of epiaortic ultrasound utilization in patients undergoing coronary artery bypass grafting for free in #JTCVS: doi.org/10.1016/j.jtcv… @sarahyousefmd @UPMC_CTSurgery

First line treatment for management of newly diagnosed vasospastic angina is Beta blockers Calcium channel blockers Digoxin Nitrates