Regenerative medicine researcher Kristy Red Horse’s discoveries may someday help damaged hearts heal better. Her stewardship of her Native American heritage may advance science in other ways too.
Dementia affects more than 55 million people around the world.
A number of factors can increase a person’s risk of developing dementia, including high blood pressure, poor sleep, and physical inactivity.
Meanwhile, keeping cognitively, physically, and socially active, and limiting alcohol consumption, can reduce the risk.
Continue reading “Alzheimer’s Is Linked to Stress And Depression, And We May Know Why” »
The most common screening test for prostate cancer — a measure of prostate-specific antigen, or PSA, levels — so often suggests cancer where there is none that clinical guidelines no longer recommend the test for men over 70 and leave the decision up to younger patients.
Scientists at Stanford Medicine and their collaborators aim to make PSA screening more accurate — by calibrating PSA levels to each man’s genetics. Applying this type of personalization could significantly reduce overdiagnosis and better predict aggressive disease. Their research was published June 1 in Nature Medicine.
Continue reading “Personalized PSA levels could improve prostate cancer screening” »
A new collaborative study led by Sarah Tishkoff shows that Neanderthals inherited at least 6% of their genome from a now-extinct lineage of early modern humans.
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Continue reading “Acylcarnitines Increase During Aging, And Are Associated With Poor Health” »
While it’s not possible to completely prevent a fall, exercises that focus on balance and strength training can reduce the risk of falling. “We treat elderly adults for injuries sustained from falls, and other patients who feel unsteady while walking or standing and are fearful of falling,” says Lora Stutzman, a physical therapist with the Johns Hopkins Rehabilitation Network. “These exercises can help improve balance and build strength to help prevent future falls.”
For older adults, activities such as squatting, standing up from a chair and walking may be difficult or cause them to feel unsteady, which increases their risk of falling. The following exercises are intended for those who have a low risk of fall and are able to stand on their own without support from others. Always talk to your doctor or physical therapist first before starting new exercises, especially if you have weak balance.
Stutzman demonstrates two exercises below.
Respiratory syncytial virus (RSV) hospitalizes over 50,000 Americans each year. Two physicians information on which preventive steps to take.
The human gut microbiome is known to have a significant influence on many aspects of our health. Usually, when people think of the gut microbiome, they think of the many bacterial species that live there. Other organisms like viruses and fungi are also members of the human gut microbiome that have been getting more research attention. Now, scientists have identified a unicellular organism called Blastocystis, a type of protist with many subtypes that are also a part of the human gut microbiome. The research has shown that different subtypes of Blastocystis can lead to beneficial health impacts while others are detrimental. The findings have been reported in The EMBO Journal.
People in Singapore have been found with a rare Blastocystis subtype called ST7, which is often isolated from patients with diarrhea. Blastocystis ST7 seems to cause gut disease, although the mechanisms that underlie this pathology have been unclear.
There is evidence that some form of conscious experience is present by birth, and perhaps even in late pregnancy, an international team of researchers from Trinity College Dublin and colleagues in Australia, Germany and the U.S. has found.
The findings, published today in Trends in Cognitive Science, have important clinical, ethical and potentially legal implications, according to the authors.
In the study, titled “Consciousness in the cradle: on the emergence of infant experience,” the researchers argue that by birth the infant’s developing brain is capable of conscious experiences that can make a lasting imprint on their developing sense of self and understanding of their environment.
It might be possible to stop or slow the autoimmune progression of multiple sclerosis (MS) by deleting a receptor in the central nervous system, according to a study published today in the journal Science Immunology.
Using mouse models, researchers reported that deleting a receptor that selectively targets a specific type of T cells stopped them from entering the central nervous system while allowing other T cells to penetrate and protect the body from pathogens.
