A Mayo Clinic study found that blood pressure levels differ equally between day and night, potentially increasing the risk of heart disease and stroke. The researchers monitored 240 healthy people for 20 consecutive hours, revealing significant variations in blood pressure during sleep.
New research suggests that aerosol pollutants in the atmosphere are likely masking global warming. Aerosols can modify clouds, suppress precipitation, and reflect light, cooling the Earth. This effect may be as large as the warming caused by human emissions of greenhouse gases.
The conference features expert speakers discussing attitudinal healing, the importance of spirituality in maintaining good health, and navigating the confusing signals of menopause. Women can learn how to incorporate spiritual practices into their daily lives and make informed choices about their health.
Researchers at the Fred Hutchinson Cancer Center discovered a secondary retroviral receptor, dubbed FELIX, crucial for feline leukemia virus (FeLV) infection. This discovery may provide a window into the pathway of retroviruses like HIV and potentially lead to therapies that disable the virus.
An asteroid impact would cause catastrophic destruction and an impact winter, but a subsequent 'ultraviolet spring' could be even more devastating due to ozone depletion and acid rain. This period of intense UV radiation could lead to widespread DNA damage, mutations, cancer, and plant death.
A new archaeon, Ferroplasma acidarmanus, is found in mining sites and accelerates the production of sulfuric acid, a major environmental pollutant. The microbe's ability to thrive in acidic conditions without a cell wall defies conventional understanding.
Researchers analyzed lunar cratering data and found a sudden increase in impacts about 400 million years ago. This period corresponds to the rapid evolution of life on Earth during the Cambrian explosion.
A study of 442 women in US and India found that most could calculate their gestational ages accurately, with most errors within a clinically insignificant margin. This suggests that unsupervised medical abortion using mifepristone-misoprostol may be safe for many women.
Scientists have developed a new imaging technique using ripples on the sun's surface to probe its interior and locate hidden solar storms. This breakthrough enables forecasting of solar storms with a week's warning, potentially disrupting spacecraft and power systems.
Researchers used genomics-based approach to discover new surface proteins that behave differently and are present across multiple strains of Neisseria meningitidis. These proteins can stimulate an antibody response capable of killing the bacterium, a key property for vaccine efficacy.
A CSIRO trial found that plant sterol-enriched margarine can reduce LDL cholesterol by an average of 9.6%. The study showed that including the spread in the diet for three weeks resulted in a 10% reduction in cholesterol levels, which may lower the risk of heart disease.
Weizmann Institute scientists developed a new method to incorporate organic molecules into electronic devices, controlling their properties and predicting behavior. The approach overcomes challenges in detecting electrical properties of organic molecules, enabling a feasible way to harness their diversity.
A study led by Johns Hopkins researchers found that patients with fulminant myocarditis can fully recover from the condition within two weeks without much damage to the heart or chance of relapse. Effective treatments include medications and mechanical pumps, which can increase blood flow and assist heart function.
Researchers at Mayo Clinic have discovered a significant link between major depression and seizures in older adults. The study, published in Annals of Neurology, found that individuals with a history of major depression were six times more likely to experience a seizure after age 55.
Researchers found that fruit flies exhibit behavioral and molecular changes similar to those observed in mammals, suggesting they may be capable of sleeping. The study provides new insights into the functions of sleep and could lead to the development of new treatments for human sleep disorders.