Sentences with phrase «several key populations»

«We found evidence reduced levels of circulating testosterone were associated with increased phthalate exposure in several key populations, including boys ages 6 - 12, and men and women ages 40 - 60,» said one of the study's authors, John D. Meeker, MS, ScD, of the University of Michigan School of Public Health in Ann Arbor, MI.

Not exact matches

Jellyfish populations appear to be exploding in several parts of the world, U.S. and Russian scientists reported, raising fears that they are taking over ecosystems that nurture key commercial fish stocks.

In its population gene discovery work, deCODE has mapped several key genes linked to obesity and has gathered detailed genotypic and clinical data from more than 10,000 adult volunteers among the Icelandic population.

«We have also been monitoring the population of key snow leopard prey such ibex and argali continuously for the last several years», Gustaf explains, «but we have never before tracked such prey animals to gain a detailed understanding of how they use the habitat.

Stress resistance has not been assessed however and so the biological relevance of this finding is currently unknown.32 Several IER trials (75 - 85 % ER on restricted days) in overweight / obese populations have reported reductions in various markers of oxidative stress 37, 41, which in one study was accompanied by a complementary increase in the anti-oxidant uric acid.37 In a direct comparison of IER (75 % ER for two days / week) and CER, both ER strategies displayed equal efficacy in reducing levels of fast - acting advanced oxidation protein products (AOPP) after six months, which displayed a tendency to occur earlier (i.e. at three months) in the IER group.41 Levels of slow - acting (i.e. long term) AOPP tended to decrease in the IER group and increase in the CER group which the authors proposed may have resulted from IER - induced activation of autophagy, a key homeostatic cellular process in which dysfunctional or unnecessary cellular proteins are degraded and recycled.41 On the other hand, a follow - up study using similar IER / CER protocols demonstrated comparable reductions in AOPP in both groups after three months.48 Summary and Future Research Directions

Just the introduction of the Chestnut blight destroyed the ecosystem of the eastern United States in the early 1900s, causing catastrophic reductions in wildlife populations and the extinction of several species totally dependent on the American Chestnut, and incidently, increased the misery associated with the Great Depression due to the loss of a key agricultural crop.

Cameras have become a key battleground for smartphone makers, and several approaches are currently on view among the flagship population.

The Child Placement Handbook: Research, Policy, and Practice Schofield & Simmonds (2009) View Abstract Explores key issues relating to several placement options, including relative care, foster care for special populations, residential care, reunification, and adoption.

Dissemination of parenting interventions can be strengthened by attending to several key factors and principles: (i) ensuring interventions are used that match families» needs and preferences, (ii) strong scientific evidence is available to support intervention components used in a population based approach, (iii) multiple destigmatized access points are provided for families and (iv) cost - effective strategies are used.47 Poor participation and engagement by parents in parenting programmes stands as one of the most difficult barriers to widespread effective implementation of parenting programmes.48, 49 Parental willingness to participate in a parenting programme depends on several interacting variables.