Medicine News

Scorpion Venom Toxin Reduces Severity of Rheumatoid Arthritis in Rats

The Eastern Indian red scorpion (Buthus tamulus) in Mangaon, Maharashtra, India. Image credit: Shantanu Kuveskar / CC BY-SA 4.0.
Feb 28, 2018 by News Staff

Dr. Christine Beeton from Baylor College of Medicine and colleagues have found that iberiotoxin — one of the components in the venom of a scorpion species called the Eastern Indian red scorpion (Buthus tamulus) — can reduce disease severity in a rat model of rheumatoid arthritis. The Eastern Indian red scorpion (Buthus tamulus) in Mangaon, Maharashtra, India. Image credit: Shantanu Kuveskar / CC BY-SA 4.0. “Rheumatoid arthritis is an...

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This illustration depicts a 3D computer-generated image of a group of Escherichia coli. Image credit: James Archer, CDC.

Scientists Discover New Link between Obesity and Gut Bacteria

Feb 26, 2018 by News Staff

A team of scientists at Lund University in Sweden has found that certain amino acids in our blood can be connected to both obesity and the composition...

Transmission electron micrograph of ranaviruses (hexagons), members of the family Iridoviridae. Image credit: Electron Microscopy Unit, Australian Animal Health Laboratory / CSIRO.

Researchers Discover ‘Insulin-Producing’ Viruses

Feb 23, 2018 by News Staff

An international team of scientists led by Harvard Medical School’s Joslin Diabetes Center has identified four viruses that can produce insulin-like...

The pilot study data suggest an abnormally high prevalence of pain in Meru, Kenya, and that monosodium glutamate intake, combined with dehydration, may be contributing to chronic widespread pain in this region. Image credit: Gerd Altmann.

Glutamate Consumption Enhances Chronic Pain Symptoms, Study Says

Feb 20, 2018 by News Staff

A new pilot study, carried our in Kenya, has found a link between chronic pain and consumption of monosodium glutamate, a common flavor and taste enhancer...

Women cleaning at home or working as occupational cleaners had accelerated decline in lung function, suggesting that exposures related to cleaning activities may constitute a risk to long-term respiratory health. Image credit: Yerson Retamal.

Study: Lung Function Declines Faster in Women Who Use Cleaning Products

Feb 16, 2018 by News Staff

Women who regularly use cleaning sprays or other cleaning products appear to experience a greater decline in lung function over time than women who do...

A fruit fly (Drosophila melanogaster). Image credit: Sanjay Acharya / CC BY-SA 4.0.

Clues to Aging Found in Fruit Flies’ Stem Cells

Feb 15, 2018 by News Staff

Reproductive stem cells of male fruit flies (Drosophila melanogaster) use a genetic trick to stay perpetually young across generations, according to new...

Interventions aimed at reducing eating speed may be effective in preventing obesity and lowering the associated health risks. Image credit: StockSnap.

Eating Slowly May Help Prevent Obesity, Reduce Associated Health Risks: Study

Feb 15, 2018 by News Staff

Slowing down the speed at which you eat, along with cutting out after dinner snacks and not eating within two hours of going to sleep may all help prevent...

Magnification of a lab-grown, fully matured human egg ready for fertilization. Image credit: University of Edinburgh.

Human Eggs Fully Grown in Laboratory for the First Time

Feb 13, 2018 by News Staff

A team of researchers led by the University of Edinburgh has grown human egg cells (oocytes) — which were removed from ovary tissue at their earliest...

Tylenol is one of the most recognizable brand names for acetaminophen (paracetamol). Image credit: Katy Warner / CC BY-SA 2.0.

Painkiller Acetaminophen Has Unexpected Effects on Regulation of Sex Hormones: Study

Feb 13, 2018 by News Staff

A study published in the journal EBioMedicine has shown the potentially negative impact of acetaminophen (paracetamol) — one of the most common medications...

Researchers have demonstrated that cells of naked mole rats (Heterocephalus glaber) undergo cellular senescence similarly to mouse cells but have distinct features that may explain the species’ low cancer and aging rates, such as being more resistant to DNA damage and undergoing metabolic reprogramming. Image credit: Benny Mazur / CC BY 2.0.

Resistance to DNA Damage and Downregulation of Metabolic Processes May Contribute to Low Cancer Rates in Naked Mole Rats

Feb 13, 2018 by Zvi Cramer

Scientists have revealed that senescent naked mole rat cells downregulate key metabolic processes and are more resistant to DNA damage than their mouse...

Section from a kidney progenitor-derived mass harvested from a mouse intravenously injected with low-molecular-weight, fluorescein isothiocyanate-labeled dextran. Image credit: Bantounas et al, doi: 10.1016/j.stemcr.2018.01.008.

Researchers Create Functioning Human Kidney Tissue Using Stem Cells

Feb 12, 2018 by News Staff

An international research team led by University of Manchester scientists has generated human kidney tissue within a living organism which is able to produce...

Welch et al show for the first time that far-UVC efficiently inactivates airborne aerosolized viruses. These fluorescent images show epithelial cells infected with H1N1; the viruses were exposed in aerosolized form in the irradiation chamber to doses of 0, 0.8, 1.3 or 2.0 mJ/cm2 of 222-nm far-UVC light; infected cells fluoresce green. Image credit: Welch et al, doi: 10.1038/s41598-018-21058-w.

Study: Far Ultraviolet C Light Inactivates Airborne Viruses

Feb 12, 2018 by News Staff

Low doses of far ultraviolet C light can inactivate airborne influenza and other viruses without harming human tissues, according to a study published...

This is the first study to report the detection of DNA of Mycobacterium avium ssp. paratuberculosis in the blood of rheumatoid arthritis patients. Image credit: Edwin P. Ewing, Jr. / CDC.

Study: Mycobacteria in Milk and Beef May Be Trigger for Rheumatoid Arthritis

Feb 6, 2018 by News Staff

Scientists at the University of Central Florida College of Medicine have discovered a link between rheumatoid arthritis and Mycobacterium avium ssp. paratuberculosis,...

Chondroitin sulfate (marked in red), virtually absent in healthy human heart tissue (left panel), is found to accumulate in hearts of patients with heart failure, forming dense molecular ‘nets’ around the heart muscle cells (right panel). Cell nuclei are marked in blue. Scale bar - 50 μm. Image credit: National University Heart Centre, Singapore.

Scientists Find Molecular ‘Nets’ inside Human Heart Muscles

Feb 6, 2018 by News Staff

An international team of scientists led by the National University of Singapore’s Cardiovascular Research Institute has discovered that chondroitin sulfates...

Dual immunotherapy led to shrinkage of distant tumors and long-term survival of the animals, even in a stringent spontaneous tumor model. Image credit: Rilson S. Avelar.

Dual Immunotherapy Eliminates Tumors in Animal Cancer Models

Feb 5, 2018 by News Staff

Injecting amounts of two immune-stimulating agents directly into tumors in multiple types of mouse cancer models can eliminate all traces of cancer, according...

Vitamin D3 may be effective in the treatment of hypertension and other cardiovascular diseases, including heart failure, myocardial infarction, vasculopathy, stroke and diabetes. Image credit: Aloísio Costa Latgé.

Vitamin D3 Could Help Prevent, Repair Cardiovascular System Damage

Feb 2, 2018 by News Staff

Cholecalciferol, also known as vitamin D3, can significantly restore the damage to the cardiovascular system caused by several diseases, including hypertension,...

Aerobic exercise may mildly delay, improve Alzheimer’s symptoms. Image credit: Christian Northe.

Aerobic Exercise May Improve Cognitive Symptoms of Alzheimer’s Disease

Jan 31, 2018 by News Staff

Exercise training may delay the decline in cognitive function that occurs in individuals who are at risk of or have Alzheimer’s disease, with aerobic...

This illustration depicts a 3D computer-generated image of three multidrug-resistant Pseudomonas aeruginosa bacteria. Image credit: James Archer / CDC.

Forgotten Antibiotic Octapeptin Offers Hope against Drug Resistant Bacteria

Jan 30, 2018 by News Staff

An old antibiotic called octapeptin could help develop new drugs against extensively drug-resistant Gram-negative bacteria. This illustration depicts a...

A person performs a glucose screening. Image credit: Sgt. Jessica A. DuVernay, U.S. Army.

Study Reveals Link between High Blood Sugar and Long-Term Cognitive Decline

Jan 30, 2018 by News Staff

Rates of long-term cognitive decline are steeper in those who have diabetes compared with people with normal blood sugar control, according to a new study...

There is no safe level of smoking, scientists say. Image credit: Myriams Fotos.

Even Light Smoking Greatly Increases Risk of Coronary Heart Disease and Stroke

Jan 26, 2018 by News Staff

Smoking only about one cigarette per day carries a risk of developing coronary heart disease and stroke much greater than expected — around half...

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