السبت، 31 ديسمبر 2016

ScienceDaily: Health & Medicine News

ScienceDaily: Health & Medicine News


Researchers urge caution around psilocybin use

Posted: 30 Dec 2016 03:06 PM PST

In a survey of almost 2,000 people who said they had had a past negative experience when taking psilocybin-containing 'magic mushrooms,' a researchers say that more than 10 percent believed their worst 'bad trip' had put themselves or others in harm's way, and a substantial majority called their most distressing episode one of the top 10 biggest challenges of their lives.

Using 'fire to fight fire' to combat disease could make it worse, tests show

Posted: 30 Dec 2016 09:29 AM PST

A treatment billed as a potential breakthrough in the fight against disease, including cancer, could back-fire and make the disease fitter and more damaging, new research has found. Ground-breaking research has found that introducing 'friendlier' less-potent strains into a population of disease-causing microbes can lead to increased disease severity.

Lack of standards for infant cereals threatens child nutrition in lower-income countries

Posted: 30 Dec 2016 07:35 AM PST

The first global analysis of infant cereals sold in lower-income countries highlights the need for basic quality assurance services to improve nutritional consistency and healthy growth of infants from 6 to 24 months of age.

New class of hydrogen sulfide donor molecules

Posted: 30 Dec 2016 07:35 AM PST

Researchers have designed molecules with the potential to deliver healing power to stressed cells -- such as those involved in heart attacks. The research, at a cellular level in the lab, involves organic molecules that break down to release hydrogen sulfide when triggered by oxidative stress.

Role for immune cells in cancer’s ability to evade immunotherapy

Posted: 30 Dec 2016 07:32 AM PST

One of the main reasons cancer remains difficult to treat is that cancer cells have developed a multitude of mechanisms that allow them to evade destruction by the immune system. One of these escape mechanisms involves a type of immune cell called myeloid-derived suppressor cells (MDSCs). A recent study provides new insight into how MDSCs enable tumor cells to circumvent immune attack and offer the potential for improving cancer immunotherapy.

Endometrial cancer mutations are detectable in uterine lavage fluid before a cancer is diagnosed

Posted: 30 Dec 2016 07:32 AM PST

Mutations that have been linked to endometrial cancer can be found in the uterine lavage fluid of pre- and post-menopausal women both with and without detectable cancer.

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