Technological Advancements in Medicine | Navya Sharma | TEDxMonroeTownshipHighSchool
The speaker asserts that advancements in medicine, from basic treatments to advanced genetic editing, demonstrate a steady rise in human capability, exemplified by comparing historical practices like bloodletting to modern technologies like CRISPR and neural interface devices. This technological progression reflects humanity's ability to continuously improve itself, while the speaker cautions that this power comes with the responsibility to remember that humanity is inherently fallible.
## Speakers & Context
- Speaker: Presenting at an event (implied "mths is first").
- Interest in the medical field derived from:
- Family history of medical conditions.
- Specific instances, including grandfather needing a pacemaker and uncle suffering a massive stroke.
- Observation of a condition (strokes) that took away a man's ability to talk or walk.
- Purpose of the talk: To discuss how medical technology has changed and improved over time.
## Theses & Positions
- Medicine has evolved from ancient, often supernatural, interventions (like treating illness with rituals) to evidence-based scientific practices.
- Modern medical technology, including gene editing (CRISPR), represents a profound advancement in human ability.
- The power to invent new technologies, like genetic editing, carries the responsibility to remember that humans are mortal and death is inevitable.
## Concepts & Definitions
- **Organ-on-a-chip:** A language capable of simulating the environment of an actual living organ, serving as an alternative to animal and human testing.
- **Synthetic hormones:** Compounds used to treat various diseases.
- **3D holographic images:** Devices that convert CT and MRI scans into interactive, holographic representations of human organs.
- **Enlightenment:** A period when practicality and reasoning began to rise above theology, leading people to seek answers to unexplained phenomena rather than solely turning to the church.
- **Secular medicine:** Medicine that developed during the Enlightenment, relying on empirical science rather than spiritual belief.
- **Targeted cell therapy:** A method designed to target solely tumor cells, avoiding the damage caused by older radiation therapies that also hit healthy cells.
- **CRISPR:** A gene-editing tool involving a Cas9 enzyme and a synthesized RNA molecule that can guide the edit to a specific location on the DNA molecule, making incisions there.
## Mechanisms & Processes
- **Pacemaker operation:** Battery-operated device administered electrical impulses to keep a heart beating and prolong existence.
- **Stroke manifestation:** A medical event where the inability to speak or walk signals a profound loss of function, yet medicine can improve this.
- **Historical medical procedures:**
- Bloodletting: Involved cutting open tissue and letting blood spill into a basin.
- Drilling into the skull: A historical process involving drilling a 2.5-centimeter hole into patients' skulls.
- **Development of Antibiotics:** Discovery by Avery Fleming in 1928 of a bacterium that led to the first antibiotic substance.
- **Bionic arms:** Prosthetics that replaced lost limbs, featuring programming to display images of the person's daughters.
- **Neural Interface/Exoskeleton:** Robotic devices capable of reading electrical signals from paralyzed muscles to enable movement, such as moving towards a glass of water.
- **CRISPR editing:** The process where the Cas9 enzyme is guided by synthesized RNA to a specific DNA locus, making incisions, which allows DNA repair mechanisms to then prepare the desired edits.
## Timeline & Sequence
- **Elementary School (Fifth Grade):** Speaker's grandfather required a pacemaker following a cardiac surgery.
- **2012:** Speaker's uncle suffered a massive stroke in North America.
- **18th Century:** Period before the Enlightenment, where medical treatments involved herbs (ginger, chamomile, basil, marigold) or supernatural interpretations (acts of the devil).
- **Enlightenment:** Period preceding the Scientific Revolution, increasing interest in public health and medicine, leading to the appearance of hospitals.
- **20th Century:** Period marked by two major global catastrophes (World Wars I and II), which spurred breakthroughs like facial reconstruction surgery and antiseptics.
- **1928:** Avery Fleming discovers the bacterium leading to the first antibiotic.
- **21st Century:** Era of modern breakthroughs, including facial transplants and advanced robotics.
## Named Entities
- **Imogen (Images):** Depict technologies currently in development.
- **Katie Stone Village:** Young woman who received a nearly intact, full facial reconstructive transplant following an attempted suicide.
- **Jason Kosher:** Individual who sustained injuries from striking a power line while riding an ATV, subsequently receiving bionic arms.
## Numbers & Data
- Age of speaker when grandfather needed pacemaker: **Elementary School / Fifth Grade**.
- Location of speaker's uncle's stroke: **North America**.
- Time of uncle's phone call: Around **2:30 or 1:00 in the morning**.
- Size of hole drilled in skulls: **2.5 centimeter**.
- Year of penicillin discovery: **1928**.
## Examples & Cases
- **Pacemaker:** A battery-operated device administered electrical impulses to keep a heart beating.
- **Stroke observation:** Observing a successful CEO whose condition left him unable to recite his house numbers or speak/walk.
- **Facial Transplant:** Katie Stone Village receiving a nearly full facial reconstructive transplant from a woman who passed from alcohol addiction.
- **Bionic Arms:** Jason Kosher receiving bionic arms programmed to display images of his two daughters.
- **Gene Editing Application:** CRISPR can be used to alter genes to mimic diseases (though not in humans due to detrimental effects).
## Tools, Tech & Products
- **Organ-on-a-chip:** Language capable of simulating a living organ environment.
- **Synthetic hormones:** Treatments for various diseases.
- **3D holographic imaging device:** Converts CT and MRI scans into interactive 3D images of human organs.
- **Pacemaker:** Battery-operated device for cardiac support.
- **Antiseptics:** Served as an alternative to early limb amputation.
- **Bionic Arms:** Prosthetics that allow for complex grip and display personalized images.
- **Robotic exoskeleton:** Device capable of reading electrical signals from paralyzed muscles to enable movement.
- **CRISPR:** Gene-editing tool involving Cas9 enzyme and synthesized RNA.
## Counterarguments & Caveats
- Modern medicine is not always perfect; historical methods like bloodletting were invasive and ineffective compared to modern diagnostics.
- Current state-of-the-art treatments (e.g., targeted cell therapy) are still developing, and future remedies may become outdated.
## Methodology
- **Historical progression mapping:** Tracing medical advancements from ancient rituals to modern genetic tools.
- **Technological illustration:** Using images/scans to depict the mechanism and progression of medical tools.
- **Case studies:** Using personal and public medical incidents (stroke, facial transplant) to ground the discussion of medical progress.
## Conclusions & Recommendations
- Humanity must harness and cover new medical technologies responsibly.
- The progress of medicine is ceaseless, requiring continuous adaptation and investigation.
## Implications & Consequences
- Advances like CRISPR fundamentally alter our understanding and potential manipulation of life.
- The inherent fallibility of the human body is confronted by technology, yet the human element—mortality and spirit—remains.
## Verbatim Moments
- *"I can serve as an alternative to animal and human testing."*
- *"I was absolutely captivated by this idea that his he could continue living and carrying out his daily activities."*
- *"I was most struck by grief and terror but it invoked curiosity within me."*
- *"the fact that this disease could take away my ability to you know he had to learn how to say his house Benton Counties numbers and he couldn't talk or walk could not matter."*
- *"where practicality and reasoning rose above theology."*
- *"I want to be able to hold my nose but so they also programmed enough to display images of the surface concerns."*
- *"The power of inventing new technologies technologies we have to achieve in mind that we are only human and that you know death is inevitable."*
- *"it's changing how in my discussions simply how the medical field has changed and improved all the time we must remember that we have to harness or cover"*