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Health & Medicine News
Wed, 20 Sep 2017 18:21:07 EDT
One e-cigarette with nicotine leads to adrenaline changes in nonsmokers' hearts
Electronic cigarettes have been touted as both a safer alternative for smokers and as an effective way for people to gradually quit smoking altogether. But a new study shows that nicotine inhaled from e-cigarettes can greatly increase a person's heart rate and aggravate the sympathetic nervous system.
Wed, 20 Sep 2017 14:47:15 EDT
Immune cells may heal bleeding brain after strokes
By studying rodents, researchers showed that instead of attacking germs, some neutrophils may help heal the brain after an intracerebral hemorrhage, a form of stroke caused by ruptured blood vessels. The study suggests that two neutrophil-related proteins may play critical roles in protecting the brain from stroke-induced damage and could be used as treatments for intracerebral hemorrhage.
Wed, 20 Sep 2017 14:47:13 EDT
Communication among health care facilities key to preventing spread of drug-resistant bacteria
Communication breakdowns between care facilities can pave the way for outbreaks of infection, according to research on the spread of an extensively drug-resistant bacterium.
Wed, 20 Sep 2017 13:17:52 EDT
Small intestine permeable peptides facilitate digestive tract absorption
Biopharmaceuticals, medium- and high-molecular weight biologically active macromolecules, are not easily absorbed by the small intestine, the main organ responsible for gastrointestinal absorption, resulting in a bottleneck for oral administration type biopharmaceutical development. Now, researchers have found a new small intestine permeable peptide that can facilitate digestive tract absorption of biopharmaceutical products. The discovery should make it possible for oral administration of drugs that were previously only available by injection.
Wed, 20 Sep 2017 13:17:07 EDT
Newly ID'd role of major Alzheimer's gene suggests possible therapeutic target
A new role has been identified for the major Alzheimer's risk factor ApoE4, suggesting that targeting the protein may help treat the disease. Researchers show that ApoE4 exacerbates the brain damage caused by toxic tangles of a different Alzheimer's-associated protein: tau. In the absence of ApoE, tau tangles did very little harm to brain cells.
Wed, 20 Sep 2017 13:16:58 EDT
Brain cancer growth halted by absence of protein
The growth of certain aggressive brain tumors can be halted by cutting off their access to a signaling molecule produced by the brain's nerve cells, according to a new study.
Wed, 20 Sep 2017 13:16:56 EDT
Millions of new genes in human microbiome
A new study of the human microbiome has uncovered millions of previously unknown genes from microbial communities in the human gut, skin, mouth, and vaginal microbiome, allowing for new insights into the role these microbes play in human health and disease.
Wed, 20 Sep 2017 13:16:48 EDT
Hold the phone: An ambulance might lower your chances of surviving some injuries
Victims of gunshots and stabbings are significantly less likely to die if they're taken to the trauma center by a private vehicle than ground emergency medical services (EMS), according to results of a new analysis.
Wed, 20 Sep 2017 13:16:45 EDT
Genome editing reveals role of gene important for human embryo development
Researchers have used genome editing technology to reveal the role of a key gene in human embryos in the first few days of development. This is the first time that genome editing has been used to study gene function in human embryos, which could help scientists to better understand the biology of our early development.
Wed, 20 Sep 2017 11:35:55 EDT
Midlife depression may stem from tension with mothers and siblings, study finds
Relationships with our mothers and siblings continue to have an effect on our well-being, particularly at midlife. A new study found that tension with our mothers and siblings, similar to our spouses, is associated with symptoms of depression.
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