Detection of active oxalate-carbonate pathway ecosystems in the Amazon Basin: Global implications of a natural potential C sink

The oxalate-carbonate pathway (OCP) is a biogeochemical process, which has been described in Milicia excelsa tree ecosystems of Africa. This pathway involves biological and geological parameters at different scales: oxalate, as a by-product of photosynthesis, is oxidized by oxalotrophic bacteria leading to a local pH increase, and eventually to carbonate accumulation through time in previously acidic and carbonate-free tropical soils. Former studies have shown that this pedogenic process can potentially lead to the formation of an atmospheric carbon sink. Considering that 80% of plant species are known to produce oxalate, it is reasonable to assume that M. excelsa is not the only tree that can support OCP ecosystems. The search for similar conditions on another continent led us to South America, in an Amazon forest ecosystem (Alto Beni, Bolivia). This area was chosen because of the absence of local inherited carbonate in the bedrock, as well as its expected acidic soil conditions. Eleven tree species and associated soils were tested positive for the presence of carbonate with a more alkaline soil pH close to the tree than at a distance from it. A detailed study of Pentaplaris davidsmithii and Ceiba speciosa trees showed that oxalotrophy impacted soil pH in a similar way to at African sites (at least with 1 pH unit increasing). African and South American sites display similar characteristics regarding the mineralogical assemblage associated with the OCP, except for the absence of weddellite. The amount of carbonate accumulated is 3 to 4 times lower than the values measured in African sites related to M. excelsa ecosystems. Still, these secondary carbonates remain critical for the continental carbon cycle, as they are unexpected in the acidic context of Amazonian soils. Therefore, the present study demonstrates the existence of an active OCP in South America. The three critical components of an operating OCP are the presence of: i) local alkalinization, ii) carbonate accumulations, and iii) oxalotrophic bacteria, which were identified associated to the oxalogenic tree C. speciosa. If the question of a potential carbon sink related to oxalotrophic-oxalogenic ecosystems in the Amazon Basin is still pending, this study highlights the implication of OCP ecosystems on carbon and calcium biogeochemical coupled cycles. As previously mentioned for M. excelsa tree ecosystems in Africa, carbonate accumulations observed in the Bolivian tropical forest could be extrapolated to part or the whole Amazon Basin and might constitute an important reservoir that must be taken into account in the global carbon balance of the Tropics.

Manual therapy followed by specific active exercises versus a placebo followed by specific active exercises on the improvement of functional disability in patients with chronic non specific low back pain: a randomized controlled trial.

BACKGROUND: Recent clinical recommendations still propose active exercises (AE) for CNSLBP. However, acceptance of exercises by patients may be limited by pain-related manifestations. Current evidences suggest that manual therapy (MT) induces an immediate analgesic effect through neurophysiologic mechanisms at peripheral, spinal and cortical levels. The aim of this pilot study was first, to assess whether MT has an immediate analgesic effect, and second, to compare the lasting effect on functional disability of MT plus AE to sham therapy (ST) plus AE. METHODS: Forty-two CNSLBP patients without co-morbidities, randomly distributed into 2 treatment groups, received either spinal manipulation/mobilization (first intervention) plus AE (MT group; n = 22), or detuned ultrasound (first intervention) plus AE (ST group; n = 20). Eight therapeutic sessions were delivered over 4 to 8 weeks. Immediate analgesic effect was obtained by measuring pain intensity (Visual Analogue Scale) before and immediately after the first intervention of each therapeutic session. Pain intensity, disability (Oswestry Disability Index), fear-avoidance beliefs (Fear-Avoidance Beliefs Questionnaire), erector spinae and abdominal muscles endurance (Sorensen and Shirado tests) were assessed before treatment, after the 8th therapeutic session, and at 3- and 6-month follow-ups. RESULTS: Thirty-seven subjects completed the study. MT intervention induced a better immediate analgesic effect that was independent from the therapeutic session (VAS mean difference between interventions: -0.8; 95% CI: -1.2 to -0.3). Independently from time after treatment, MT + AE induced lower disability (ODI mean group difference: -7.1; 95% CI: -12.8 to -1.5) and a trend to lower pain (VAS mean group difference: -1.2; 95% CI: -2.4 to -0.30). Six months after treatment, Shirado test was better for the ST group (Shirado mean group difference: -61.6; 95% CI: -117.5 to -5.7). Insufficient evidence for group differences was found in remaining outcomes. CONCLUSIONS: This study confirmed the immediate analgesic effect of MT over ST. Followed by specific active exercises, it reduces significantly functional disability and tends to induce a larger decrease in pain intensity, compared to a control group. These results confirm the clinical relevance of MT as an appropriate treatment for CNSLBP. Its neurophysiologic mechanisms at cortical level should be investigated more thoroughly. TRIAL REGISTRATION: Trial registration number: NCT01496144.

Espais femenins en l'obra de Paul Gauguin

La societat actual figura arrelada a un discurs sobre el femení, que desenvolupat durant el segle XVIII s'ha anat obrint camí insistentment a través de les imatges. A través de l'obra del pintor Paul Gauguin aquest treball presten mostrar que el confinament de la dona a l'espai domèstic i la pretesa relació d'aquesta amb altres elements és fruit de la mateixa ideologia que confina a la dona a l'espai privat i a l'home a l'espai públic.

Intel·ligència emocional : una aproximació crítica

L'objectiu d'aquest treball és intentar reflexionar sobre tots aquests interrogants i redefinir el concepte d'intel·ligència al començament del segle XXI, analitzant alhora l'impacte real que la IE ha tingut i té en el món de l'empresa espanyola. En conjunt, el treball proposa una relectura del fenomen de la intel·ligència humana i recull tant les opinions de més relleu dels autors més significatius com dades empíriques que ajuden a comprendre de manera pràctica si realment hi ha hagut, o s'està produint, una autèntica mutació social en la comprensió de la intel·ligència.

Active Life Club

The project aims to target older peoples local needs and create awareness of health issues and healthier lifestyles in later years. Five information sessions (medicine, stress management, role of the pharmacist etc) were held with older people. The pharmacist offered 1-1 support and group work was also built into the sessions. The pharmacist is now more aware of older people's needs and the future services they can provide. Older people are now better informed about their health and wellbeing. The project has empowered them to be more independent and have a greater rapport with their pharmacist. 65 older people benefited from the project. The pharmacist is now signposting older people to the Active

Get a life, get active

This leaflet explains the benefits of regular physical activity. It aims to dispel the myths surrounding exercise and the excuses people make for not exercising, as well as providing tips and advice on how to be more active.

Get a life, get active...go cycling

This leaflet explains the benefits of regular physical activity, particularly cycling.

Get a life, get active...go walking

This leaflet explains the benefits of regular physical activity, particularly walking.

Obesity and the environment briefing: Increasing physical activity and active travel

This briefing has been written in conjunction with the Local Government Association (LGA). It is aimed at those who work in or represent local authorities. It addresses the issue of taking action to create environments where people are more likely to walk or cycle for short journeys. It summarises the importance of action on obesity and a specific focus on active travel, and outlines the regulatory and policy approaches that can be taken.

Belfast Active Travel Action Plan 2014-2020

The Belfast Strategic Partnership, which is led by the Public Health Agency, Belfast Health and Social Care Trust and Belfast City Council, is launching theBelfast Active Travel Action Plan 2014-2020 which aims to build a healthier city by encouraging people to incorporate walking and/or cycling into their daily travel. The travel plan aims to try to make Belfast a more vibrant city where people are healthy, fit, well-connected with one another, and use physical activity as part of their everyday lives.

Active transmission of human chagas disease in Colima Mexico

Despite efforts to eradicate American trypanosomiasis (AT) and Chagas disease from the Americas, there are still areas of active transmission that can eventually become a source of reinfection in previously controlled regions. Mexico could be one of those areas, where there are no formal preventive control programs despite the presence of communities infested by Triatominae bugs infected with Trypanosoma cruzi. This study explored the prevalence of T. cruzi infection in 405 habitants of 17 communities in the state of Colima, on the Pacific Mexican coast, through a seroepidemiological probabilistic survey. The results revealed a point seroprevalence of 2.4% positive for anti-T. cruzi. In addition, 2 clinical cases of chronic and 2 of acute Chagas disease were detected in the explored communities. These findings confirm the risk of active transmission of AT in Western Mexico, especially in rural and suburban communities infested with intra-domestic triatominae, where control programs should be implemented.

Oral Candida flora from Brazilian human immunodeficiency virus-infected patients in the highly active antiretroviral therapy era

One of the main opportunistic fungal infections amongst immunocompromised individuals is oral candidosis, which has been found in up to 90% of human immunodeficiency virus (HIV)-infected patients. This study employed yeasts isolated from the saliva and oral cavities of 114 HIV-infected patients living in Campinas, São Paulo. Of the isolates, 57.8% were identified as Candida albicans and 42.1% as non-C. albicans. The latter isolates were subsequently identified as C. krusei (7.5%), C. lusitaniae (5.2%), C. tropicalis (4.6%), C. parapsilosis (4.6%), C. glabrata (2.8%), C. kefyr (1.7%), C. guilliermondii (1.7%), C. intermedia (1.1%), C. norvegensis (0.5%), and Rhodotorula rubra (1.7%). Susceptibility of the isolates to amphotericin B, fluconazole, miconazole, and itraconazole was also determined by a microdilution method adopted by the National Committee for Clinical Laboratory Standards. The isolates demonstrated various susceptibilities to the antifungal agents. In particular 29 C. albicans and 13 non-C. albicans isolates showed low susceptibility to FLCZ (> 64 µg/ml). This study revealed huge diversity of Candida species, in particular the increasing emergence of non-C. albicans associated with the oral flora of HIV-infected patients.

All Together Active (A2A)

All Together Active (A2A) is an innovative 12 month programme specifically developed to concentrate on overweight and obese young people (5 13 years) with opportunity to continue with physical activity after graduating from the programme. It is a structured targeted intervention for overweight children and their families, with concentrated focus on behaviour modification, healthy eating and physical activity to coincide with Change For Life and their initiatives. It offers an opportunity for families to be supported and motivated to lead a healthier lifestyle through a series of group activity and nutrition sessions that are designed to be progressive and empowering, thus giving families the knowledge and tools to sustain healthy behaviour modifications in the long term. This is all done in a fun and encouraging way designed for the child to achieve their healthy goals.