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A 38 Percent Decline Seen In Semen Quality Of Young Men In South-East Spain In The Last Decade
Date: Jan-22-2013The first comparative study on the evolution of sperm quality in young Spanish men over ten years, headed by researchers at the University of Murcia, reveals that spermatozoid concentration in men between 18 and 23 years in the regions of Murcia and Almeria has dropped by an annual average of 2%. The suspicion that the semen of Spanish men is losing quality now takes force in the case of young men from Murcia and Almeria...
Chromosome-Capping Telomeres A Potential Target For Anti-Cancer Drugs
Date: Jan-22-2013Biomedical researchers studying aging and cancer are intensely interested in telomeres, the protective caps on the ends of chromosomes. In a new study, scientists at UC Santa Cruz used a novel technique to reveal structural and mechanical properties of telomeres that could help guide the development of new anti-cancer drugs. Telomeres are long, repetitive DNA sequences at the ends of chromosomes that serve a protective function analogous to that of the plastic tips on shoelaces. As cells divide, their telomeres get progressively shorter, until eventually the cells stop dividing...
New Technique Captures Division Of Membrane-Less Cells
Date: Jan-22-2013New technique allows scientists to study cell division without cell membrane This may look like yet another video of a dividing cell, but there's a catch. You are looking at chromosomes (red) being pulled apart by the mitotic spindle (green), but it's not a cell, because there's no cell membrane...
When Women Prioritize Domestic Power, Workplace Ambitions Take A Back Seat
Date: Jan-22-2013It's often said that women can have it all - motherhood and a successful career. But a new study from the University of California, Berkeley, suggests that women who rule the household have less energy for or interest in being a rising star in the workplace. While household decision-making power was highly valued by both men and women who participated in the UC Berkeley study, women reported that running the home made them less likely to pursue promotions and other career advancement steps at the office...
Authority Figures Deal Better With Mild Rejection
Date: Jan-22-2013Employees often tiptoe around their bosses for fear of offending them. But new research from the University of California, Berkeley, shows people in power have thicker skin than one might think. A UC Berkeley study has found that people in authority positions - whether at home or in the workplace - are quicker to recover from mild rejection, and will seek out social bonding opportunities even if they've been rebuffed...
Patients Undergoing Complex Spinal Surgeries Benefit When There Are 2 Attending Physicians, Instead Of 1,
Date: Jan-22-2013Two heads are better than one, as the saying goes - and a new study by a duo at the University of California, San Francisco (UCSF) demonstrates how having two attending surgeons in the operating room during spinal surgeries can benefit patients in multiple ways. Most spinal surgeries in the United States are performed by teams led by a single attending surgeon - one top-level doctor who has completed medical school, residency and other specialized training...
Pregnant Women With Hypertension At Increased Risk Of Developing Chronic Kidney Disease
Date: Jan-22-2013Pregnant women with hypertension are much more likely to develop chronic kidney disease compared to women without the condition reveals a recent study published in CMAJ (Canadian Medical Association Journal). Hypertension is a medical condition also known as high blood pressure, it occurs when the arteries have a significant force of blood pushing up against the blood vessel walls. The condition can carry severe health risks for pregnant women and the fetus. Hypertension during pregnancy is fairly common, with around 5 to 10% of pregnancies affected...
Regular Aspirin Linked To Age-Related Macular Degeneration Risk
Date: Jan-22-2013People who take aspirin regularly over the long-term have a higher risk of developing age-related macular degeneration (AMD), the main cause of blindness among seniors, researchers from the University of Sydney, Australia, reported in JAMA Internal Medicine. Aspirin is commonly taken by patients to protect from cardiovascular disease, including ischemic stroke and heart attack (myocardial infarction). It is one of the most widely used drugs worldwide...
Stroke Risk Up As Temperatures Drop
Date: Jan-22-2013Cold weather sends blood pressures soaring putting people at risk of stroke The current cold weather spell is putting more people at risk of stroke as blood pressures increase as a result of the freezing temperatures. High blood pressure is the single biggest risk factor for stroke and research has shown that colder temperatures can be linked to increased blood pressure, especially in older people...
Mature T Cells Can Switch Function To Better Tackle Infection
Date: Jan-22-2013The fate of mature T lymphocytes might be a lot more flexible than previously thought. New research from the RIKEN Center for Allergy and Immunology (RCAI) in Japan and La Jolla Institute for Allergy and Immunology (LIAI) in the USA shows for the first time that mature CD4+ helper T lymphocytes can be re-programed to become killer-like CD8+ T lymphocytes and gain killing functions. The findings are reported in the journal Nature Immunology, by a team of researchers led by Ichiro Taniuchi from RIKEN and Hilde Cheroutre from La Jolla...
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