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Category: biotech/medical – Page 2,529

Amid antibiotic failures, scientists search for answers in ancient remedies

In recent years, antibiotic-resistant bacteria has become such a concern that the World Health Organization has cautioned of a “post-antibiotic era,” which may be here soon. According to the CDC, in America alone around 2 million people are infected with antibiotic-resistant infections annually and in less developed countries it is quickly becoming one of the greatest concerns in public health.

In an urgent search for new natural antibiotics, scientists are examining ancient remedies in order to determine what made them effective. One such remedy comes from the Boho Highlands of Northern Ireland, where ancient Irish Druids utilized natural antibiotics from the soil. Inverse reports the findings of these scientists, published in Frontiers in Microbiology:

[The] alkaline soil sampled from the Sacred Heart Church in the town of Toneel North contains a new strain of bacteria they named Streptomyches sp. myrophorea. Testing revealed that this strain inhibited the growth of four of the six multi-resistant pathogens identified by the WHO as “high priority pathogens.”

Inhalable RNA could breathe new life into lung cancer treatments

In the body, messenger RNA (mRNA) molecules are in charge of instructing cells to produce specific proteins, and hijacking this natural system is emerging as a promising new way to treat a wide variety of illnesses. Now, researchers at MIT have developed an inhalable mRNA aerosol that can take the molecules directly to the lungs, as a potential new treatment for cystic fibrosis or lung cancer.

Scientists Fight Back Against Deadliest Animal on Earth Using “Gene Drives”

What is the deadliest animal on earth? It’s a question that brings to mind fearsome lions, tigers, sharks, and crocodiles. But the answer is an animal that is no more than 1 centimeter long.

A few mosquito species, out of the thousands that populate different environments, are the deadliest animals on earth. Anopheles mosquitoes alone, transmit malaria through their bite and annually infect more than 200 million people, and are responsible for 400,000 deaths per year, of which 70 percent are children under the age of 5.

Other mosquito species also transmit diseases — dengue, West Nile, and Zika — through their bite.


Can Cancer Care Be Industrialized? Vanderbilt And GE Are Teaming Up To Find Out

By the time he was diagnosed with metastatic melanoma, Luke Simons, now 83, had already watched his wife and his longtime business partner struggle with cancer. His wife had chemo for her breast cancer 20 years ago. His business partner with multiple myeloma died 5 years ago. “I was obviously aware of what it could do,” he says of cancer. And of chemo, “my God, that can be just horrible what that can do to you.”

As soon as he got the diagnosis, Simons’ doctor at Vanderbilt-Ingram Cancer Center (where his wife is on the board) told him about how president Jimmy Carter’s metastatic melanoma had just become undetectable after taking Merck’s new drug Keytruda, which enables a person’s immune system to recognize and attack cancer cells. The doctor gave Simons the option of Keytruda, and he took it.

After his first dose, Simons developed pneumonitis, which he aptly describes as a “fever in my lungs,” that made his doctor question whether to continue the treatment. He did, and the cancer that had spread to Simons’ brain and pancreas is not showing up on scans, three years later.

High Blood Pressure Implicated in Cognitive Impairment

A new study has discovered that patients with high blood pressure and abnormalities in the periventricular white matter in the brain showed signs of cognitive impairment despite taking medication to lower their blood pressure.

High blood pressure has been linked to an increased risk for dementia, but what’s unclear is what kinds of subtle negative changes take place in the brain that may affect cognitive function, according to researchers. Finding new ways to detect minor types of cognitive impairment may help determine who is at risk for early-stage dementia, they noted.

In the study, researchers looked at 345 men and women with a median age of 65 who had high blood pressure.

7 Early Warning Signs of ‘Brain Attack’ That Appear Almost 1 Month Before Stroke

A stroke or a “brain attack” can have life-threatening consequences just like a heart attack. However, there are some early signs of a stroke that start showing up as early as a month before it actually happens. Here are seven such symptoms—knowing them might save someone’s life.

Strokes happen when a blood vessel transporting oxygen to the brain bursts or gets obstructed by a clot. As a result, the brain doesn’t receive much oxygen and the brain cells start to die off. The functions controlled by the affected part of the brain will not be performed normally, and this will have a huge impact on health.

A stroke can manifest differently in every individual, but one thing in common is that it initiates suddenly. Read below the most common symptoms that manifest one month before a stroke, and if you are experiencing any of these, think about consulting your doctor.

Becoming the First Transhuman: A Call For The Right Stuff

Many scientists research the practical and immediate applications of bio molecular technology but it seems most fail to study our most important, and largest organ, our skin.

Who will officially be the first transhuman? Will it be you? Why wait decades? This article explains one approach to speeding up the process and also the challenge involved.

Defining the Object of the Goal:

Although the words ‘cyborg’ and ‘transhuman’ are often used interchangeably, and someone can aspire to be a combination of both, there are fundamental differences between the two — as has been articulated by Dr. Natasha Vita-More: The transhuman will be genetically programmed and otherwise equipped towards indefinite life extension and to attain a great many other physical and mental capabilities and other benefits. The transhuman also maintains specific transhumanist values and may actively foster the far-reaching humane goals of the transhumanist movement, including guaranteed social justice for all and highly-advanced space colonization to foster indefinite life, peace, etc. Whereas, a cyborg may not uphold transhuman values or goals, and may or may not seek to live longer or indefinitely, but will be fitted with a device or devices to acquire one or more enhanced capabilities (such as better vision and/or hearing, faster running ability, etc.).