Sentences with phrase «most controlled studies»

Most controlled studies have made use of a modest dose of just 1 g / day of vitamin C. From all published research, the combined effect has revealed a difference between the groups taking vitamin C and the groups taking a placebo which is highly significant, suggesting a real biological effect.

Golomb says one reason many doctors overlook risks and believe statins to be safe is that most controlled studies of statins wind up excluding people who originally begin to participate in a study but stop taking the drug because they experience problems from it; these test participants are then dropped from the study as «noncompliant.»

In one of the largest, longest, and most controlled studies of its kind, researchers investigated whether the emotional state of cancer patients has any relationship to their survival.

In the most controlled study to date, an LCD led to hunger levels similar to those of a low - fat diet, even though the daily caloric intake with the LCD was 1000 kcal lower (13).

Not exact matches

«Horrific mass killings receive the most media attention, but as can be seen by the numbers, they only represent a small portion of the total costs - human and medical - of gun injuries in the United States,» said David Hemenway, director of the Harvard Injury Control Research Center in Boston, who was not involved with the study.

What this newest study does, in addition to trying to discern which income levels are most affected, is to try to control for everything else that could affect how much a mom gets paid compared to a dad.

Most influential was my study of that which I'd been a victim of, mind control tactics.

Though most Americans believe employers should be required to supply birth control in their health insurance plans, they are split down the middle on whether businesses should be required to provide wedding services for same - sex couples, as well as on whether transgender people should be allowed to use the restroom of their choice, says a study released this week by the Pew Research Center.

Most studies displayed faults ranging from lack of control groups to use of biased and unreliable measuring instruments to the use of subjects who were either self - selected or selected by abortion clinic personnel.

It heralds a study of sixty - three women confirming «dozens of others concluding that the most common post-abortion reactions are positive ones — relief, happiness, a sense of renewed control.»

Researchers studied food questionnaires for 335 people with renal cell carcinoma, the most common form of kidney cancer, and 337 healthy controls.

One of the most important and influential studies of the long - term effects of childhood stress and trauma is the Adverse Childhood Experiences study, which was conducted in the 1990s by Robert Anda, a physician at the Centers for Disease Control and Prevention, and Vincent Felitti, the founder of the department of preventive medicine at Kaiser Permanente, the giant health - maintenance organization based in California.

The most recent findings of the Belarus study (an excellent, large scale, randomized, first world study) were recently published and show that 11 year - olds have a 17 % GREATER chance of being obese or overweight if they were in the breastfeeding group than in the control group.

He points to research by a Stanford University researcher, Allan K. Mishra, who has studied PRP for years, whose in his most recent published research includes a large multicenter study [8] involving a host of well - respected orthopedic surgeons around the country who followed 230 patients in a double - blind randomized control study [the gold standard for medical research].

A randomised controlled trial would be the best way to tackle selection bias of mothers who plan a home birth, but a randomised controlled trial in North America is unfeasible given that even in Britain, where home birth has been an incorporated part of the healthcare system for some time, and where cooperation is more feasible, a pilot study failed.31 Prospective cohort studies remain the most comprehensive instruments available.

The second most common style (13 parents from 7 families), the study found, was controlling, a parenting style in which parents:

Research shows that families typically receive roughly half of the number of home visits expected.16, 17 For example, across three randomized controlled trials conducted of Nurse Family Partnership, average dosage of visits ranged from 45 to 62 percent.18 Research also shows that many, perhaps most, families enrolled in home visiting programs drop out before their eligibility ends.16, 19,20 Some home visiting studies have varied the dosage that families were offered and found that fewer home visits produced outcomes similar to higher levels of exposure.21

An important potential limitation of this analysis was that it was based solely on case - control observational studies, as most studies looking at the effects of breastfeeding vs not breastfeeding are.

The study groups were similar in most respects, and also the frequency of perinatal hospital practices that are likely to influence breastfeeding, such as early mother — newborn contact and rooming - in, was identical between intervention and control groups (Table 2).

In other words, the group most likely to be negatively affected by controlled crying was not in the follow - up study.

The German Study of Sudden Infant Death, the largest and most recent case - control study of SIDS, found that exclusive breastfeeding at 1 month of age halved the risk of SIDS (adjusted OR: 0.48 [95 % CI: 0.28 — 0.82]-Study of Sudden Infant Death, the largest and most recent case - control study of SIDS, found that exclusive breastfeeding at 1 month of age halved the risk of SIDS (adjusted OR: 0.48 [95 % CI: 0.28 — 0.82]-study of SIDS, found that exclusive breastfeeding at 1 month of age halved the risk of SIDS (adjusted OR: 0.48 [95 % CI: 0.28 — 0.82]-RRB-.

Two later studies not included in these meta - analyses reported equivalent or even larger protective associations.265, 266 The mechanism for this apparent strong protective effect is still unclear, but lowered arousal thresholds, favorable modification of autonomic control during sleep, and maintaining airway patency during sleep have been proposed.247, 267, — , 270 It is common for the pacifier to fall from the mouth soon after the infant falls asleep; even so, the protective effect persists throughout that sleep period.247, 271 Two studies have shown that pacifier use is most protective when used for all sleep periods.169, 266 However, these studies also showed increased risk of SIDS when the pacifier was usually used but not used the last time the infant was placed for sleep; the significance of these findings is yet unclear.

The most recent study report described in these same regions decreased tissue levels of 5 - HT and tryptophan hydroxylase, the synthesizing enzyme for serotonin, and no evidence of excessive serotonin degradation as assessed by levels of 5 - hydroxyindoleacetic acid (the main metabolite of serotonin) or ratios of 5 - hydroxyindoleacetic acid to serotonin.30 A recent article described a significant association between a decrease in medullary 5 - HT1A receptor immunoreactivity and specific SIDS risk factors, including tobacco smoking.40 These data confirm results from earlier studies in humans39, 41 and are also consistent with studies in piglets that revealed that postnatal exposure to nicotine decreases medullary 5 - HT1A receptor immunoreactivity.42 Animal studies have revealed that serotonergic neurons located in the medullary raphe and adjacent paragigantocellularis lateralis play important roles in many autonomic functions including the control of respiration, blood pressure, heart rate, thermoregulation, sleep and arousal, and upper airway patency.

Most of the studies matched case with control subjects for sex and age.

In this most recent study, the infants who were fed Enfamil LIPIL after weaning maintained levels of DHA and ARA in their blood that were statistically significantly higher than the infants consuming the control formula without LIPIL.

A recent study in the Proceedings of the National Academy of Sciences USA tying childhood self - control to health and well - being in adulthood suggests that everyone, not just those most lacking the skill, would benefit from a self - control boost.

These observations jibe with those from a study of 26,000 adults with autism and 130,000 controls in Sweden, which found that most people with autism prefer partners on the spectrum.

The study, published in today's edition of CBE - Life Sciences Education, is the largest and most carefully controlled analysis to date of how participating in course - based undergraduate research experiences affects students» outcomes.

A new study chronicles the collapse of the Wari, the first Andean empire, which controlled most of the Peruvian highlands and coast, integrating disparate cultures and building a network of roads that the Inca would later repurpose for their own empire.

In response, the US Centers for Disease Control issued a clarification, saying the studies were in otherwise healthy people with mostly mild winter flu, not the older, sicker people who need Tamiflu most.

It is only relatively recently, however, that developmental scientists have conducted controlled studies to identify the earliest and most reliable signs of adult homosexuality.

Luckily, most science geeks would never deny the settled science in a field where multiple peer - reviewed, placebo - controlled studies find the same thing over and over.

Providing women who take a powerful acne drug with a fact sheet about contraception while visiting the dermatologist can significantly improve their awareness of the most effective birth control options and may prevent unintended pregnancies and birth defects that can be caused by the drug, according to a University of Pittsburgh School of Medicine study published Feb. 4 in the journal JAMA Dermatology.

Fashioning individual molecules atom by atom could allow researchers to study atomic collisions in the most controlled environment possible, as well as to observe how molecules behave in isolation.

Most of the rats in the study were exposed to radiation levels higher than those permitted in current phone models, and on average, the exposed rats lived longer than the controls.

The study, «Prevalence of hypertension, awareness, treatment and control in the Hispanic Community,» led by Dr. Paul D. Sorlie of the National Heart, Lung, and Blood Institute (NHLBI), sampled 16,400 individuals, making it one of the largest and most rigorous health studies of the Hispanic community.

What sets the study apart from most previous evaluations is its randomized, controlled design — a relatively new approach honed by lead author Abhijit Banerjee, an economist at the Massachusetts Institute of Technology in Cambridge, and his colleagues.

For many nutraceuticals, the most compelling evidence for efficacy remains anecdotal or, at best, based on hints of benefit from small or poorly controlled studies.

The study, published in The Journal of Abnormal Psychology in 1965, revealed that while most criminals and control subjects exhibited significant physiological stress in anticipation of the shock, psychopaths did not.

Even with a study of 3 million users, standard methods to improve precision by controlling for customer's past behavior and demographics were less effective than most expected.

Most hospitals follow CDC guidelines, which have not explicitly recommended routine active surveillance cultures to identify and isolate patients with superbugs, even though more than 140 studies have shown that MRSA and VRE can be controlled this way, Farr says.

We started studying interventions used to control the outbreak, most recently looking at the effect of media coverage.»

«Most all experimental studies comparing independent and controlled sources show no significant difference in perceived credibility,» Howes said.

«The cost of asthma is one of the most important measures of the burden of the disease,» said Tursynbek Nurmagambetov, PhD, lead study author and health economist at the Centers for Disease Control and Prevention.

«Most studies in this area were initiated by the industry and conducted in controlled settings that are ultimately beneficial for their product.

The study, published June 24, 2016 in the Centers for Disease Control and Prevention's journal Preventing Chronic Disease, suggests a possible new health promotion approach to improving the health of millions of white - collar workers who spend most of their workdays sitting in chairs.

In addition, results from these long - term studies show that early shrub removal and tree density control are the most effective and efficient ways to reduce fuel buildup.

Studying these functions in nonhuman animals has given us the most detail about how neurons get put together to do complex functions because we can really look, neuron by neuron, at how vision gets put together, how motor control gets put together.

«Most of the time, when people talk about delaying gratification, they talk about basic processes of evaluation and self - control,» said Laura Michaelson, a CU - Boulder doctoral student in the Department of Psychology and Neuroscience and co-lead author of the new study appearing in the online journal Frontiers in Psychology.

«We were able to control for pregnancy complications, and found that most women with pregnancy complications known to lead to death actually deliver on weekdays, suggesting that the actual problem with weekend deliveries is even greater,» Steven L. Clark, M.D., senior author of the study explained.