Researchers map gene switches and brain cell types associated with schizophrenia, bipolar disorder, Alzheimer’s.
Alzheimer’s disease is a disease that attacks the brain, causing a decline in mental ability that worsens over time. It is the most common form of dementia and accounts for 60 to 80 percent of dementia cases. There is no current cure for Alzheimer’s disease, but there are medications that can help ease the symptoms.
According to a study recently presented at the European Respiratory Society International Congress in Milan, Italy, young people who have used e-cigarettes are more than twice as likely to report experiencing chronic stress.
The study was presented by Dr Teresa To, a senior scientist at The Hospital for Sick Children (SickKids) in Toronto, Canada. She said: “Research is starting to show how vaping affects young people’s physical and mental health. For example, our previous research has shown that those who vape are more likely to suffer an asthma attack. In this study, we were particularly interested in the relationship between vaping, mental health, and quality of life among young people.”
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.
Recently, a large Swedish study observed that chronic stress and depression were linked to a higher risk of developing Alzheimer’s disease, the most common form of dementia. The researchers found people with a history of both chronic stress and depression had an even greater risk of the disease.
Globally, around 280 million people have depression, while roughly 300 million… More.
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.
In addition to the regular blood-based PSA test, such personalized screening would require a germline genetic test, typically done on saliva, blood or cheek swab samples, to look for inherited genetic variants that affect PSA levels.
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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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.
