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Oral delivery of nanoparticles

Oral delivery of nanoparticles
Nanoparticles show great promise as diagnostic tools and drug delivery agents. The tiny particles, which scientists can modify with drugs, dyes or targeting molecules, can travel in the circulation and squeeze through small spaces into cells and tissues. But until now, most nanoparticles had to be injected into the bloodstream because they weren’t absorbed well orally. Now, researchers reporting in ACS Nano have modified nanoparticles to improve their uptake in the gastrointestinal tract.

By American Chemical Society - Thursday, August 16, 2018 - Full Story

Marijuana; Did It Cure My Neck Pain?

Marijuana; Did It Cure My Neck Pain?Is marijuana as good as its reputation for treating painful conditions? Many years ago I suffered a neck injury in Japan which resulted in chronic pain. So I decided to try medical marijuana as painkillers, acupuncture, chiropractic treatment, and massage have had no effect. So what has happened?

By Dr. Gifford Jones - Monday, August 13, 2018 - Full Story

Readers Agree; Doug Ford is Right about Injection Sites

Readers Agree; Doug Ford is Right about Injection Sites
My recent negative column about injection sites in prison and elsewhere triggered a rapid response. Here is a good sampling of both sides of the issue.         

From BK, “Isn’t that rich? Physicians help in a major way to create the huge opioid problem, and you as a doctor, say death to drug dealers. Finding a doctor is hard enough, now you want to execute them.”

By Dr. Gifford Jones - Tuesday, August 7, 2018 - Full Story

Ingenious upcycling turns discarded medical device into water filter

NUFiltration’s water recycling technology for greenhouses. Photo courtesy of NUFiltration
Every year across the world, more than 250 million dialysis filters are thrown away after only a single use cleansing a kidney patient’s blood of toxins. What if those filters could be recycled for a new use, wondered Tel Aviv University Faculty of Medicine Prof. Yoram Lass.

By ISRAEL21c - Wednesday, August 1, 2018 - Full Story

Why ‘resilient dyslexics’ have good reading comprehension

Why ‘resilient dyslexics’ have good reading comprehension
Some dyslexics may improve their reading comprehension by baking cakes and playing strategy games rather than more traditional techniques such as learning the sounds of letters and phonological awareness.

By ISRAEL21c - Wednesday, August 1, 2018 - Full Story

New study offers hope of recovery from spinal-cord injury

New study offers hope of recovery from spinal-cord injury
An Israeli study shows great promise for improving the outcome of spinal-cord injuries, which often cause permanent changes in strength, sensation and other body functions.

In experiments with mice, scientists from Tel Aviv University found that injecting a potent enzyme hours after spinal injury can put the brakes on a cascade of pathological events responsible for neuronal death, such as inflammation and scarring.

By ISRAEL21c - Wednesday, August 1, 2018 - Full Story

New sweet protein holds out hope for diabetics

New sweet protein holds out hope for diabetics
Ninety-nine percent of all fruits in the world derive their sweetness from sugar. But there are a dozen or so fruits that grow along the equatorial belt that contain a sweet protein, rather than a sugar.

By ISRAEL21c - Wednesday, August 1, 2018 - Full Story

Placenta barrier-on-a-chip could lead to better understanding of premature births

Placenta barrier-on-a-chip could lead to better understanding of premature births
More than one in 10 babies worldwide are born prematurely, according to the World Health Organization. Now scientists report in ACS Biomaterials Science & Engineering that they have developed an organ-on-a-chip that could help explain why.

By American Chemical Society - Wednesday, August 1, 2018 - Full Story

Prostate Cancer; Updated Advice for the PSA Test

Prostate Cancer; Updated Advice for the PSA TestWhat’s a man to do? Equally important, what’s a doctor to advise when the PSA test is reported elevated? Or should men even be screened for this test? During the last 10 years there’s been considerable flip-lopping about it. Now a large study from the United Kingdom, reported in The Journal of the American Medical Association has new recommendations about PSA testing.

By Dr. Gifford Jones - Monday, July 30, 2018 - Full Story

Cannabidiol: Hope or hype?

Cannabidiol: Hope or hype?
Cannabidiol (CBD), one of the major phytochemicals in marijuana, has become a popular ingredient in dietary supplements, beauty products and beverages, with claims that the compound improves health and treats ailments ranging from insomnia to cancer. Although research on CBD is accelerating, medical evidence is still lacking for many of these claims, reports an article in Chemical & Engineering News (C&EN), the weekly newsmagazine of the American Chemical Society.

By American Chemical Society - Thursday, July 26, 2018 - Full Story

Artificial enzymes perform reactions on living cells

Artificial enzymes perform reactions on living cells
Nature has evolved thousands of enzymes to facilitate the many chemical reactions that take place inside organisms to sustain life. Now, researchers have designed artificial enzymes that sit on the surfaces of living cells and drive reactions that could someday target drug therapies to specific organs. They report their results in the Journal of the American Chemical Society.

By American Chemical Society - Thursday, July 26, 2018 - Full Story

A breath test for early-stage Parkinson’s

A breath test for early-stage Parkinson's
Symptoms of Parkinson’s disease include tremor, loss of smell and neuropsychiatric problems. However, many people aren’t diagnosed until their disease is well-advanced, which could limit their treatment options. Now, researchers have tested a sensor to detect early-stage Parkinson’s disease from the breath of patients. They report their results in ACS Chemical Neuroscience.

By American Chemical Society - Thursday, July 26, 2018 - Full Story

Smart probes pinpoint cancer cells for precise surgery

Smart probes pinpoint cancer cells for precise surgery
Many cancer patients die not from the primary malignant tumor, but rather the spread of lingering cancer cells to other parts of the body, known as metastasis. The so-called “smart probe” developed by a team of Tel Aviv University (TAU) researchers may be able to help surgeons pinpoint cancer cells more precisely, allowing them to guarantee the removal of more cancer cells than ever before.

By ISRAEL21c - Wednesday, July 25, 2018 - Full Story

Long Term Family Doctor Decreases Chance of Death

Long Term Family Doctor Decreases Chance of Death
How important are new tests to diagnose and treat disease? Or improved surgical techniques, speedier emergency care and doctors specializing in various fields of medicine? The fact is that all improvements in medical care make life easier for patients and save lives. But a long overdue English report shows the family doctor (FD) also helps to prolong life.

By Dr. Gifford Jones - Monday, July 23, 2018 - Full Story

Children and Grandchildren Headed for Liver transplants

nonalcoholic fatty liver disease (NAFLD)
Who hasn’t heard of the “Mayflower”, the ship that brought pilgrims to the U.S. in 1620? What is rarely known is that towards the end of that voyage, it was necessary to ration beer, and some pilgrims died as a result. In those days beer was safer to drink than water. It’s still a safe drink when used moderately, but excessive amounts can cause cirrhosis of the liver. And how many know that too much food can also cause nonalcoholic fatty liver disease (NAFLD) in young people, and eventually require a liver transplant?

By Dr. Gifford Jones - Thursday, July 19, 2018 - Full Story

A safe and effective way to whiten teeth

A safe and effective way to whiten teeth
In the age of Instagram and Snapchat, everyone wants to have perfect pearly whites. To get a brighter smile, consumers can opt for over the counter teeth-whitening treatments or a trip to the dentist to have their teeth bleached professionally. But both types of treatments can harm teeth. According to an article published in ACS Biomaterials Science & Engineering, researchers have now developed a new, less destructive method.

By American Chemical Society - Thursday, July 19, 2018 - Full Story

CRISPR’s growing pains

CRISPR gene editing
In the six years since its inception, CRISPR gene editing has experienced ups and downs, from giddy excitement over the technology’s potential to cure genetic diseases to patent disputes, ethical considerations and cancer scares. Despite recent setbacks, companies developing CRISPR therapies are forging ahead, reports an article in Chemical & Engineering News (C&EN), the weekly news magazine of the American Chemical Society.

By American Chemical Society - Saturday, July 14, 2018 - Full Story

Cleaning out pollen shells

Cleaning out pollen shells
As allergy season intensifies, many people are cursing pollen – the powdery substance released by plants for reproduction. However, pollen may serve a purpose beyond making new plants and triggering sneezes. In ACS Biomaterials Science & Engineering, researchers report a new method for cleaning out the insides of pollen grains so that the non-allergenic shells can be used to carry medicines or vaccines into the human body. A video of the process is here.

By American Chemical Society - Friday, July 13, 2018 - Full Story

Doug Ford Is Dead Right, Injection Sites Dead Wrong

Doug Ford
Not all the lunatics are in the asylum. Why? Because federal prison officials are providing needles to prisoners so they can inject themselves with illegal drugs. Now, Doug Ford, Premier of Ontario, is being criticized for damning the use of injection sites in prison and in Canadian cities. Condoning drug use is the most illogical way to combat North America’s opioid epidemic. But what else would work?

By Dr. Gifford Jones - Monday, July 9, 2018 - Full Story

Why Did Anthony Bourdain Commit Suicide?

Why Did Anthony Bourdain Commit Suicide?
Albert Camus, the French humanist, wrote, “There is only one true philosophical problem and that is suicide. Judging whether life is worth living amounts to answering the fundamental question of philosophy.” Pliny the Elder had said earlier, “Admit the miseries of our life on earth, suicide is God’s best gift to man.”

By Dr. Gifford Jones - Monday, July 2, 2018 - Full Story