Medical Science: The Functions of DNA, RNA, and Proteins, and the Effects of RNA Interference (RNAi)
- Details
- Category: Medical Science
- Published on Friday, 10 October 2025 15:04
- Written by Medical Science Contributing Editor
DNA, RNA, and proteins are fundamental molecules in all living organisms. Each plays a unique role in the storage, transmission, and execution of genetic information. This article will help to understand key biomolecules and their roles in health and disease.






As the world becomes increasingly interconnected, the emergence of new diseases poses significant threats to global health. This document explores diseases on the horizon, shedding light on potential risks and the measures that can mitigate their impact.
The human brain, despite its small size relative to the rest of the body, is a highly energy-demanding organ. It requires a continuous supply of energy to maintain its functions, including thought processes, memory storage, and sensory perception.
Neuropathy, often referred to as peripheral neuropathy, is a broad term for any disease or dysfunction of the peripheral nerves—those nerves that lie outside the brain and spinal cord. This comprehensive review will highlight this often misdiagnosed condition.
The human brain, with its intricate networks and ceaseless activity, is one of the most complex and fascinating organs of the body. For decades, scientists have marveled at its ability to process information, store memories, and regulate bodily functions.
DNA code editing, or gene editing, has revolutionized the medical field by providing new avenues for treating diseases that were once considered incurable. The most prominent tool for DNA code editing is CRISPR-Cas9, which has immeasurable possibilities.
I hope that you and your family are enjoying good health. Unfortunately, more young people are getting a shocking diagnosis of cancer, which had been largely a disease of aging, even though cancer rates may be declining in the elderly.
This past Saturday, April 27, the
Are you up to date on your COVID boosters? Your doctor may be nudging you—since the recommendations and information on shot availability may be in every issue of medical society electronic publications, as they are in Arizona.
Hospitalizations for Covid has risen exponentially over the past six weeks, if you are planning to pull out your mask again as some jurisdictions consider new mandates, you might want to ask what in your mask?
Do you worry about nuclear war? United States Secretary of State
Summer is here and the living, in these record temps, is far from easy. I hope you are staying well-hydrated and protecting your skin from excess sun exposure. There are real dangers from heat exhaustion and skin cancer.
Synthetic opioids like fentanyl claim more than 150 lives daily in the United States, the CDC reports. And the DEA reports a study of fake prescription drugs revealed 6 out of 10 pills analyzed contained potentially lethal amounts of fentanyl.
The head of the World Health Organization (WHO), Dr. Tedros (not a MD),
With fears of COVID-19 subsiding, I hope life is returning to a normalcy. Even as the disease is not gone, officialdom may be poised to impose a new round of masking and lockdowns to fight off an emerging threat: monkeypox.
If you are not already in the half of Americans who are fully vaccinated,
Vaccines are coming out at warp speed, but is the virus faster? It was feared that a new strain of COVID was loose on a mink farm in Denmark, so a million mink were killed, destroying an industry.
Prison health, for humanitarian reasons and because prisons are breeding grounds for contagious diseases, should be high on the list of distribution for the vaccine even as the incarcerated are seen as the most expendable members of society.
In today's brave new world, imagine receiving a letter from the school principal about your only child: Your son will not be home tonight, but your daughter will be home in a few days.
As the death toll and cases of 2019- nCoV (aka novel coronavirus) infection rises, our curiosity increases as to the epidemic’s when, why, where, and how. Is the new virus naturally occurring, animal to human transmission, a bio-weapon?
Clusters of a dozen or so deaths may get nonstop “if-it-bleeds-it-leads” press coverage. But the lack of preparedness for the really, really big threats may be met with virtual radio silence—until panic breaks out.
A couple of years ago, computer programs, algorithms, and glorified Google searches were touted as the replacements for a physician’s analysis of a patient’s medical condition. Web MD became the physician of choice for many searching for a
The Oath of Hippocrates states physicians have the duty to advise their patients according to the best of their ability and judgment. Physicians usually recommend vaccination, believing that for a particular patient, the benefit exceeds the risk.
In a lawsuit against Aetna for denial of benefits which the patient alleges "almost killed him," Aetna's
Buzzies, a micro pulsating handheld devices, are making new waves in the psychological field as a non-invasive treatment for Post-Traumatic Stress Disorder, 
While the debate rages over medicinal marijuana in conservative states, one young man in Colorado is moving forward, with a mission. Undeterred by the challenges Joshua Haupt has partnered with several major consumer goods giants to introduce cannabis as an alternative treatment.
The Complete Brain Exercise Book, the second brain stimuli tome from Dr. Fraser Smith, picks up where he left off in Keep Your Brain Young, by penning an exercise manual guaranteed to keep the mind sharp and agile.


