Our knowledge about land-use impacts on biodiversity and ecosystem functioning is mostly limited to single trophic levels, leaving us uncertain about whole-community biodiversity-ecosystem functioning relationships. We analyse consequences of the globally important land-use transformation from tropical forests to oil palm plantations. Species diversity, density and biomass of invertebrate commu...

by increasing crops yield due to intensive use of agricultural machinery and energy inputs, utilizedenergy in agriculture has been increasing rapidly which negative environmental impacts on water,air and soil are its consequences. in this paper, potato production in isfahan province was studiedusing life cycle assessment approach from the standpoint of energy consumption and environmentalimpact...

a virtual absence of palliative, preventive and restorative care characterizes juvenile oral health care in most of the developing and underdeveloped countries. consequently, carious cavities remain untreated, which leads to pain, discomfort and functional limitation. it further, impacts negatively upon general health and cognitive development apart from causing decreased masticatory efficiency...

OBJECTIVE This secondary longitudinal analysis describes distinct quality of life trajectories during eight months of radiation therapy (RT) among patients with nasopharyngeal cancer (NPC) and examines factors differentiating these trajectories. METHODS 253 Chinese patients with NPC scheduled for RT were assessed at pre-treatment, and 4 months and 8 months later on QoL (Chinese version of the...

We have a limited understanding of why many children with attention deficit hyperactivity disorder do not outgrow the disorder by adulthood. Around 20-30% retain the full syndrome as young adults, and about 50% show partial, rather than complete, remission. Here, to delineate the neurobiology of this variable outcome, we ask if the persistence of childhood symptoms into adulthood impacts on the...