Researchers found daily rhythms in metabolism among microbial communities in different ocean habitats, with common photoautotrophs initiating a cascade effect. This work suggests that microbial communities behave similarly across entire ocean basins.
The study found that adding ticagrelor to aspirin therapy after a heart attack significantly reduced the rate of subsequent death from cardiovascular causes, with benefits appearing for nearly three years. The trial recruited 21,162 patients and showed a 15% reduction in cardiovascular death with both ticagrelor doses.
Two new studies present striking findings on depression's influence on cardiovascular health, with depressed patients facing nearly double the risk of dying from heart disease. Additionally, survivors of heart attacks are found to be at higher risk for certain cancers, including lung and bladder cancer.
A recent study reveals a significant association between hair disorders and susceptibility to dental caries. The research found that polymorphisms in hair keratins are associated with increased risk of dental defects and caries, highlighting the importance of keratin components in tooth enamel structure.
A study comparing CT angiography and functional stress tests found similar clinical outcomes and minimal cost differences over three years. The tests had the same rate of death, heart attacks, and hospitalizations, despite initial cost savings from CT angiography.
Researchers create detailed digital terrain models of Hawaiian lava flows using a kite-mounted camera and GPS system. The models reveal complex patterns of lava movement and challenge current interpretations of Martian surface features.
A large trial found that patients with symptoms of heart disease have similar outcomes regardless of whether they undergo a functional stress test or a computed tomographic scan. However, the scan may be better at ruling out the need for subsequent tests and procedures in patients who are free of heart disease.
Studies link energy drink consumption to increased resting blood pressure, while smoking is associated with a higher risk of fractured stents in limb arteries. Social habits also play a role in recovery from early-onset heart attacks in low-income urban communities.
A research team at the University of Arizona has discovered sulfide chondrules in meteorites, providing evidence for a new type of environment in the early solar system. The discovery sheds light on the formation of elements essential for life, such as carbon and oxygen.