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ScienceDaily: Top Health News |
| New measure of sperm age may be predictor of pregnancy success Posted: 13 May 2022 10:53 AM PDT A novel technique to measure the age of male sperm has the potential to predict the success and time it takes to become pregnant, according to a newly published study. |
| Malaria parasites form vortices Posted: 13 May 2022 10:48 AM PDT Researchers managed to set larger groups of malaria parasites into motion and to analyze the acquired image data. The collectively moving pathogens form vortex systems that are largely determined by physical principles. Computer simulations helped identify the mechanisms underlying these rotating movements. |
| Microbes help orchestrate how the gut uses its genes Posted: 13 May 2022 09:33 AM PDT The microbes that help break down food actually tell the gut how to do its job better, according to a new study in mice. The researchers said it appears that the microbes are able to influence which of the gut's genes are being called into action, and in turn, that interaction might lead to a remodeling of the epithelial cells lining the gut so that they match the diet. |
| How sleep helps to process emotions Posted: 13 May 2022 08:32 AM PDT Researchers have identified how the brain triages emotions during dream sleep to consolidate the storage of positive emotions while dampening the consolidation of negative ones. The work expands the importance of sleep in mental health and opens new ways of therapeutic strategies. |
| Early study finds new lymphoma drug effective Posted: 13 May 2022 08:32 AM PDT In early research, the oral medication zanubrutinib was found to help most patients with a slow-growing type of cancer known as marginal zone lymphoma. |
| Antibiotics can lead to fungal infection because of disruption to the gut's immune system Posted: 13 May 2022 08:32 AM PDT Patients prescribed antibiotics in hospital are more likely to get fungal infections because of disruption to the immune system in the gut, according to a new study. |
| Great progress thanks to mini organs Posted: 13 May 2022 07:35 AM PDT Life-like organ replicas -- so-called 3D organoids -- are a good way to research disease processes. A team has now presented a kind of blueprint for such a model of the cervix. |
| A single hormone directs body's responses to low-protein diet Posted: 13 May 2022 07:35 AM PDT A single hormone appears to coordinate the lifespan extension produced by a low-protein diet. Low-protein diets produce beneficial metabolic effects in aged mice, improving metabolic health, reducing frailty, and extending lifespan. These beneficial effects were also apparent when protein intake was reduced in middle-aged mice, even protecting against the detriments of obesity. Importantly, these beneficial effects were lost in mice that lacked FGF21, suggesting that its action in the brain is critical for the increase in health and lifespan. |
| Adopting low-carbon energy can reduce racial disparities in air pollution Posted: 13 May 2022 05:03 AM PDT Switching to low carbon fuels for transportation, cooking, heating, power generation and other needs would help fight climate change and also reduce racial and ethnic disparities in exposure to air pollution. |
| Six lithium dose predictors for patients with bipolar disorder Posted: 12 May 2022 06:05 PM PDT Six predictors could help determine the amount of lithium needed to treat patients with bipolar disorder, according to a large study. The study also pinpoints genetic markers that seem to influence how quickly the body eliminates lithium from its system. |
| Cardiac progenitor cells generate healthy tissue after a heart attack Posted: 12 May 2022 06:05 PM PDT Following a heart attack, the human body is incapable of repairing lost tissue due to the heart's inability to generate new muscle. However, treatment with heart progenitor cells could result in the formation of functional heart cells at injured sites. This new therapeutic approach may be tested in clinical studies within the next two years. |
| Immune cell characteristics mapped across multiple tissues, from early life to adulthood Posted: 12 May 2022 01:41 PM PDT The Human Cell Atlas sheds new light on the types and traits of immune cells that can be found in the human body, from developmental stages to adulthood. |
| Study finds nanomedicine targeting lymph nodes key to triple negative breast cancer treatment Posted: 12 May 2022 01:41 PM PDT Research could provide a new approach to treating an aggressive form of breast cancer. A study found that targeting the immune microenvironment in lymph nodes and tumors simultaneously led to long-term tumor remission in mice models of metastatic triple negative breast cancer. |
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