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The BMJ continually publishes high quality research papers, which are fully and freely available on bmj.com through open access
Global and regional mean consumption levels of dietary trans fat and cholesterol in 2010 for adults ≥20 years of age. Read this #OA paper on global and regional consumption levels of dietary fats and oils in 1990 and 2010 http://www.bmj.com/content/348/bmj.g2272

Global and regional mean consumption levels of dietary trans fat and cholesterol in 2010 for adults ≥20 years of age. Read this #OA paper on global and regional consumption levels of dietary fats and oils in 1990 and 2010 http://www.bmj.com/content/348/bmj.g2272

The relation between vitamin D and 137 health outcomes is investigated by researchers. Above is a map of those 137 vitamin D related outcomes: percentage of outcomes per outcome category for all study designs. Read the study #OA http://www.bmj.com/content/348/bmj.g2035

The relation between vitamin D and 137 health outcomes is investigated by researchers. Above is a map of those 137 vitamin D related outcomes: percentage of outcomes per outcome category for all study designs. Read the study #OA http://www.bmj.com/content/348/bmj.g2035

As of 2012 Wikipedia is the largest online reference site, and it is reported to be the most used online healthcare resource globally. Based on the results of this study, the authors encourage journal editors and reviewers to use caution when publishing articles that cite Wikipedia http://www.bmj.com/content/348/bmj.g1585

As of 2012 Wikipedia is the largest online reference site, and it is reported to be the most used online healthcare resource globally. Based on the results of this study, the authors encourage journal editors and reviewers to use caution when publishing articles that cite Wikipedia http://www.bmj.com/content/348/bmj.g1585

Map of cycle hire zone showing estimated number of cycle hire trips in a year along each route and average particulate air pollution (PM2.5) concentrations. From research on the health effects of the London bicycle sharing system

Map of cycle hire zone showing estimated number of cycle hire trips in a year along each route and average particulate air pollution (PM2.5) concentrations. From research on the health effects of the London bicycle sharing system

Mammogram. Annual screening in women aged 40-59 does not reduce mortality from breast cancer beyond that of physical examination or usual care, concludes this 25-year study http://www.bmj.com/content/348/bmj.g366

Mammogram. Annual screening in women aged 40-59 does not reduce mortality from breast cancer beyond that of physical examination or usual care, concludes this 25-year study http://www.bmj.com/content/348/bmj.g366

Survival from 10 to 20 years after breast cancer, by contralateral mastectomy. Read this #OA paper comparing the survival rates of women with BRCA associated breast cancer who did and did not undergo mastectomy of the contralateral breast http://www.bmj.com/content/348/bmj.g226

Survival from 10 to 20 years after breast cancer, by contralateral mastectomy. Read this #OA paper comparing the survival rates of women with BRCA associated breast cancer who did and did not undergo mastectomy of the contralateral breast http://www.bmj.com/content/348/bmj.g226

Increased years of life lost are associated with increased air pollution. This study highlights the need to reduce air pollution in Beijing, China, to protect the health of the population #OA http://www.bmj.com/content/347/bmj.f7139

Increased years of life lost are associated with increased air pollution. This study highlights the need to reduce air pollution in Beijing, China, to protect the health of the population #OA http://www.bmj.com/content/347/bmj.f7139

Bariatric surgery is more effective than non-surgical options at reducing body weight and increasing remission rate of type 2 diabetes, suggests an analysis of the available randomised controlled trials . . .

Bariatric surgery is more effective than non-surgical options at reducing body weight and increasing remission rate of type 2 diabetes, suggests an analysis of the available randomised controlled trials . . .

US researchers found a positive association between long term exposure to aircraft noise and hospitalisation for cardiovascular disease, not confounded by air pollution, road density, or area level socioeconomic status

US researchers found a positive association between long term exposure to aircraft noise and hospitalisation for cardiovascular disease, not confounded by air pollution, road density, or area level socioeconomic status

Read the full paper at http://www.bmj.com/content/347/bmj.f5577 #OpenAccess

Read the full paper at http://www.bmj.com/content/347/bmj.f5577 #OpenAccess

A study published in the open access journal Frontiers in Psychology suggests that the smell of #babies triggers the brain's reward centers, which are also activated by certain foods.

A study published in the open access journal Frontiers in Psychology suggests that the smell of #babies triggers the brain's reward centers, which are also activated by certain foods.

Osteoarthritis of the knee. This systematic review concludes that as of 2002 sufficient evidence had accumulated to show significant benefit of exercise over no exercise in patients with osteoarthritis, and further trials are unlikely to overturn this result. The evidence is largely from trials in patients with knee osteoarthritis

Osteoarthritis of the knee. This systematic review concludes that as of 2002 sufficient evidence had accumulated to show significant benefit of exercise over no exercise in patients with osteoarthritis, and further trials are unlikely to overturn this result. The evidence is largely from trials in patients with knee osteoarthritis

Map of study countries and their suicide rates in 2009. Research finds that after the 2008 economic crisis, rates of suicide increased in the European and American countries studied, particularly in men and in countries with higher levels of job loss. Study at http://www.bmj.com/content/347/bmj.f5239

Map of study countries and their suicide rates in 2009. Research finds that after the 2008 economic crisis, rates of suicide increased in the European and American countries studied, particularly in men and in countries with higher levels of job loss. Study at http://www.bmj.com/content/347/bmj.f5239

A person's intensity of Facebook use can be predicted by activity in a reward-related area of the brain, according to a new study published in the open access journal Frontiers in Human Neuroscience. www.frontiersin.org is part of the Nature Publishing Group family

A person's intensity of Facebook use can be predicted by activity in a reward-related area of the brain, according to a new study published in the open access journal Frontiers in Human Neuroscience. www.frontiersin.org is part of the Nature Publishing Group family

Eating more whole fruits, particularly blueberries, grapes and apples, is associated with a lower risk of type 2 diabetes, whereas greater consumption of fruit juices has the opposite association #Research

Eating more whole fruits, particularly blueberries, grapes and apples, is associated with a lower risk of type 2 diabetes, whereas greater consumption of fruit juices has the opposite association #Research

Research finds there are major weaknesses in the scientific evidence for current medical and psychological interventions for individuals at risk of sexually abusing children

Research finds there are major weaknesses in the scientific evidence for current medical and psychological interventions for individuals at risk of sexually abusing children