Evidence
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Updated evidence on progesterone to prevent preterm birth in at-risk pregnancies

Progesterone administered via the vagina may reduce the risk of preterm birth in women who are at risk of giving birth early when compared to a placebo, treatment as usual or no intervention. Other treatments, such as oral or injected progesterone, cervical stitch, and pessary, appear not to show the same level of effectiveness. A ...

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Transcutaneous electrical stimulation (TENS) may help lower limb spasticity after stroke

Transcutaneous electrical stimulation (TENS) delivered alongside standard physical therapies could reduce spasticity in the lower limbs following a stroke. Spasticity is a muscle control disorder characterised by tight muscles. It is common after stroke and accounts for significant disability. TENS is often used to treat pain and can affect nervous stimulation of the muscles. The ...

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Treating vitamin D deficiency may reduce exacerbations of COPD

Vitamin D supplements halve the number of exacerbations of chronic obstructive pulmonary disease (COPD) in people with low levels of the vitamin, from two per year to one per year. The supplements do not affect exacerbations of COPD in people who are not deficient. This NIHR-funded review is the first to pool individual-level data from ...

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London’s Low Emission Zone has not been shown to improve children’s respiratory health

The Low Emission Zone covering much of Greater London was introduced between 2008 and 2012 to improve air quality. Some measures of air pollution have slightly reduced over that time, but measures of children’s respiratory health and lung development have not significantly improved. This NIHR funded study assessed over 2,000 primary school children during the ...

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A new tool helps predict recovery from ankle sprain

The SPRAINED model may improve prediction of people who are at risk of delayed recovery from ankle sprain. This model was developed in the UK using clinical information from 584 adults with ankle injuries. The model was validated using observational data from 682 people with ankle sprains across 10 different UK emergency departments. Delayed recovery ...

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A high omega-6 fatty acid diet is unlikely to prevent cardiovascular disease or deaths

Diets or supplements that aim to increase omega-6 fatty acids have no clear effect on the risk of cardiovascular events like heart attacks or stroke, overall deaths or deaths from cardiovascular disease. Omega-6 fatty acids are poly-unsaturated oils largely derived from seeds and nuts such as sunflower oil, corn oil, soybean oil, walnuts and pumpkin ...

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Honey may help painful mouth inflammation caused by cancer treatments

Compared to usual care, honey was more likely to reduce moderate or severe pain for patients after radiotherapy and/or chemotherapy treatment. This systematic review looked at trials from around the world comparing different types of honey with other treatments such as chamomile, golden syrup or placebo. The main outcome was the onset of moderately severe ...

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Treatments for depression may help irritable bowel symptoms

Antidepressants are likely to provide more than a placebo effect for those with symptoms of irritable bowel syndrome. Antidepressants improve symptoms in about 60% of those taking them, but two-thirds of that effect may be due to placebo. Psychological therapies, such as talking therapies also appear effective in about half of those offered them but ...

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Delaying pushing in labour has no benefit for women with an epidural and/or spinal for pain relief

For women having their first baby with an epidural and/or spinal anaesthetic for pain-relief, the timing of pushing after full dilatation of the cervix does not affect the numbers that achieve normal vaginal delivery. The best management for the second stage of labour is still debated. In the UK epidurals are by far the most ...

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A commonly-used antidepressant doesn’t improve recovery after stroke

The antidepressant fluoxetine works no better than placebo to reduce disability after a stroke, lowering hopes that had been raised by other smaller studies. After a six month trial including more than 3,000 adult stroke patients recruited at 103 UK hospitals, researchers concluded that fluoxetine should not be used to promote recovery from stroke-related disability, ...

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