ScienceDaily: Health & Medicine News |
- Did grandmas make people pair up?
- 'Clever adaptation' allows yeast infection fungus to evade immune system attack
- Mathematical 'Gingko trees' reveal mutations in single cells that characterize diseases
- Common molecular tool kit shared by organisms across the tree of life
- Enzymes from dangerous bacteria become important tools for protein chemistry
- Quit-smoking drug not linked to heart disease or depression
- Early warning gene signature for Alzheimer's
- Local anesthetic may affect the development of children's teeth, study shows
- Higher risk of death for patients admitted to NHS hospitals at the weekend
- Immune cells take cue from animal kingdom: Together, everyone achieves more
| Did grandmas make people pair up? Posted: 07 Sep 2015 04:06 PM PDT If you are in a special relationship with another person, thank grandma -- not just yours, but all grandmothers since humans evolved. The grandma hypothesis holds that the key to why moms can have next babies sooner is not because of dad bringing home the bacon but because of grandma helping feed the weaned children, the authors explain. |
| 'Clever adaptation' allows yeast infection fungus to evade immune system attack Posted: 07 Sep 2015 04:06 PM PDT Researchers say they have discovered a new way that the most prevalent disease-causing fungus can thwart immune system attacks, adding that the fungus responsible for vaginal yeast infections and the mouth infection thrush, is able to cause a deadly infection once it enters the bloodstream. |
| Mathematical 'Gingko trees' reveal mutations in single cells that characterize diseases Posted: 07 Sep 2015 08:38 AM PDT A new interactive analysis program called Gingko has been released that reduces the uncertainty of single-cell analysis and provides a simple way to visualize patterns in copy number mutations across populations of cells. Detailed knowledge of CNVs can point to specific treatment regimens. |
| Common molecular tool kit shared by organisms across the tree of life Posted: 07 Sep 2015 08:37 AM PDT Researchers have discovered the assembly instructions for nearly 1,000 protein complexes shared by most kinds of animals, revealing their deep evolutionary relationships. Those instructions offer a powerful new tool for studying the causes of diseases such as Alzheimer's, Parkinson's and cancer. |
| Enzymes from dangerous bacteria become important tools for protein chemistry Posted: 07 Sep 2015 07:12 AM PDT Two enzymes have been identified from the pathogenic Legionella bacteria that are very useful in chemically modifying proteins to be used in medical drugs, scientists report in a new article. |
| Quit-smoking drug not linked to heart disease or depression Posted: 07 Sep 2015 07:02 AM PDT A highly effective drug that helps smokers to quit does not increase their risk of heart attack and depression as was previously thought, research suggests. Researchers who carried out the study say doctors can prescribe varenicline - also known as Champix™ or ChantixTM - more widely to help people stop smoking. |
| Early warning gene signature for Alzheimer's Posted: 07 Sep 2015 07:02 AM PDT A 'gene signature' that could be used to predict the onset of diseases, such as Alzheimer's, years in advance has been developed by scientists. The study aimed to define a set of genes associated with 'healthy aging' in 65 year olds. Such a molecular profile could be useful for distinguishing people at earlier risk of age-related diseases. |
| Local anesthetic may affect the development of children's teeth, study shows Posted: 07 Sep 2015 07:02 AM PDT For the first time, a study indicates that the use of local anesthetic may affect tooth cell growth and the development of children's teeth. The study comes at a time when more children than ever before are subjected to dental surgery -- and local anaesthetic -- because of tooth decay or the other orthodontic conditions. |
| Higher risk of death for patients admitted to NHS hospitals at the weekend Posted: 06 Sep 2015 01:21 PM PDT Patients admitted to hospital at the weekend are more likely to be sicker and have a higher risk of death, compared with those admitted during the week, finds an analysis in England. |
| Immune cells take cue from animal kingdom: Together, everyone achieves more Posted: 03 Sep 2015 11:44 AM PDT Much like birds fly in flocks to conserve energy and ants create complex nests to protect their queens, immune cells engage in coordinated behavior to wipe out viruses like the flu. Scientists discovered that cells called neutrophils arrive at the site of injury within an hour of infection and leave a chemical 'trail' behind them. Killer immune cells called T cells use this trail to find the site of injury and destroy the invader. |
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