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Total 216 results found since Jan 2013.

Scientists accuse ministers of putting UK seas and marine life in peril
Habitats where seahorses, crabs and dolphins thrive face destruction as plans for protection zones are watered downHundreds of species of fish and precious coastal habitats around Britain are in danger, scientists and conservationists have warned, because the government has not responded properly to plans for a network of marine conservation zones around the UK. This failure, they say, could blight our seas for decades.A government statement on the proposals is due in a few weeks' time, but signs are that it will be muted and inadequate and will fail to save marine habitats from further devastation."At a stroke the governm...
Source: Guardian Unlimited Science - August 3, 2013 Category: Science Authors: Robin McKie Tags: Marine life News Fishing Features Politics UK news The Observer Conservation Environment Science Wildlife Source Type: news

Heparin, grad students, a clinical revolution and giving credit where it's due
The story of a grad student who overcame remarkable odds only to be denied his moment of glory, or a tale of dark deceit and devilish doings? The story of heparin is as complicated as the chemistry itselfBlood is remarkable.A liquid that carries nutrients, waste products and the ever-vigilant cells of the immune system around the body, blood rapidly turns into a solid when it leaves its veins and arteries and becomes exposed to bodily tissues or the air outside. This process of solidification – clotting, or coagulation – is executed and controlled by a complex set of reactions and interactions primarily involving the e...
Source: Guardian Unlimited Science - September 4, 2013 Category: Science Authors: Richard P Grant Tags: theguardian.com Blogposts Science Source Type: news

Influence of Experimental Subarachnoid Hemorrhage on Nicotine-induced Contraction of the Rat Basilar Artery in Relation to Arachidonic Acid Metabolites Signaling Pathway
Conclusions: One week after exposure to SAH, PLC, sPLA2, and COX-2 activity were enhanced and cPLA2 activity was inhibited. One hour after exposure to SAH, PLC activity was enhanced and cPLA2 and iPLA2 activity was inhibited. Such changes of inflammatory arachidonic acid metabolites by smoking after SAH may play important roles in fatal cerebral circulatory disorders, suggesting important implications for the etiology and pathogenesis of SAH.
Source: Journal of Stroke and Cerebrovascular Diseases - January 3, 2012 Category: Neurology Authors: Xu Ji, Aimin Wang, Cristina C. Trandafir, Kazuyoshi Kurahashi Tags: Original Articles Source Type: research

Effects of the Experimental Subarachnoid Hemorrhage on the Eicosanoid Receptors in Nicotine-induced Contraction of the Rat Basilar Artery
Conclusions: BLT2 receptor seemed to be more involved in the nicotine-induced contraction than the BLT1 receptor. SAH did not affect the involvement of eicosanoids in the nicotine-induced contraction of the rat basilar artery. The present study shows the involvement of some of the arachidonic acid metabolites into signaling pathways of nicotine-induced contraction. It will serve to improve therapeutic interventions of SAH and suggests a promising approach to protect the cerebral vasculature of cigarette smokers.
Source: Journal of Stroke and Cerebrovascular Diseases - August 14, 2012 Category: Neurology Authors: Xu Ji, Cristina C. Trandafir, Aimin Wang, Kazuyoshi Kurahashi Tags: Original Articles Source Type: research

'No serious heart risks' linked to smoking cessation therapies
The American Heart Association claims that three different types of smoking cessation therapies do not pose serious heart risks, quashing concerns that certain products may increase the risks of heart attack, stroke or heart-related death.Researchers looked at the results of 63 clinical trials involving 30, 508 people who were quitting smoking using either nicotine replacement gums and patches, the nicotine addiction treatment varenicline (Chantix), or taking the antidepressant bupropion (Wellbutrin), which can reduce cravings and other unwanted withdrawal effects.
Source: Health News from Medical News Today - December 13, 2013 Category: Consumer Health News Tags: Smoking / Quit Smoking Source Type: news

Neurochemicals involved in medullary control of common carotid blood flow.
Abstract The common carotid artery (CCA) supplies intra- and extra-cranial vascular beds. An area in the medulla controlling CCA blood flow is defined as the dorsal facial area (DFA) by Kuo et al. in 1987. In the DFA, presynaptic nitrergic and/or glutamatergic fibers innervate preganglionic nitrergic and/or cholinergic neurons which give rise to the preganglionic fibers of the parasympathetic 7th and 9th cranial nerves. Released glutamate from presynaptic nitrergic and/or glutamatergic fibers can activate N-methyl-D-aspartate (NMDA) and α-amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA) receptors on preg...
Source: Current Neuropharmacology - September 1, 2013 Category: Drugs & Pharmacology Authors: Gong CL, Leung YM, Wang MR, Lin NN, Lee TJ, Kuo JS Tags: Curr Neuropharmacol Source Type: research

Tobacco smoking, epilepsy, and seizures.
Abstract Tobacco smoking is considered the greatest risk factor for death caused by noncommunicable diseases. In contrast to extensive research on the association between tobacco smoking and diseases such as heart attack, stroke, and cancers, studies on the association between tobacco smoking and seizures or epilepsy are insufficient. The exact roles tobacco smoking and nicotine use play in seizures or epilepsy have not been well reviewed. We reviewed available literature and found that 1) there are vast differences between tobacco smoke and nicotine based on their components and their effects on seizures or epile...
Source: Epilepsy and Behaviour - January 15, 2014 Category: Neurology Authors: Rong L, Frontera AT, Benbadis SR Tags: Epilepsy Behav Source Type: research

Oxidative and pro-inflammatory impact of regular and denicotinized cigarettes on blood brain barrier endothelial cells: is smoking reduced or nicotine-free products really safe?
Conclusions: In summary, our results indicate that NF and ultralow nicotine cigarettes are potentially more harmful to the BBB endothelium than regular tobacco products. In addition, this study demonstrates that the TS-induced toxicity at BBB ECs is strongly correlated to the TAR and NO levels in the cigarettes rather than the nicotine content.
Source: BMC Neuroscience - Latest articles - April 23, 2014 Category: Neuroscience Authors: Pooja NaikNeel FofariaShikha PrasadRavi SajjaBabette WekslerPierre-Olivier CouraudIgnacio RomeroLuca Cucullo Source Type: research

Multidisciplinary Consensus on Assessment of Unruptured Intracranial Aneurysms: Proposal of an International Research Group Special Report
Conclusions— Our results highlight that neurovascular specialists currently consider many features as important when evaluating UIAs but also highlight that the appreciation of natural history of UIAs remains uncertain, even within a group of highly informed individuals.
Source: Stroke - April 28, 2014 Category: Neurology Authors: Etminan, N., Beseoglu, K., Barrow, D. L., Bederson, J., Brown, R. D., Connolly, E. S., Derdeyn, C. P., Hanggi, D., Hasan, D., Juvela, S., Kasuya, H., Kirkpatrick, P. J., Knuckey, N., Koivisto, T., Lanzino, G., Lawton, M. T., LeRoux, P., McDougall, C. G., Tags: Cerebral Aneurysm, AVM, & Subarachnoid hemorrhage Special Report Source Type: research

As E-Cigarette Poisoning Reports Rise, Bernstein Liebhard LLP Notes...
The Firm is investigating serious health problems that may be related to the use of e-cigarettes, including hospitalizations for nicotine poisoning, heart attack, stroke, pneumonia, congestive heart...(PRWeb August 08, 2014)Read the full story at http://www.prweb.com/releases/e-cigarette-injury/electronic-cigarettes/prweb12082774.htm
Source: PRWeb: Medical Pharmaceuticals - August 8, 2014 Category: Pharmaceuticals Source Type: news

UCLA volunteers at free clinic solve small problems for poor that could become catastrophic
It was a typical misunderstanding that could have led to disastrous consequences. The man had run out of medication to control his hypertension. But he couldn’t afford to get it refilled, or so he thought. So instead of picking up a simple, generic medication at Wal-Mart or Target for $4, the man decided to go without it and unknowingly put himself at risk for a stroke. All because he didn’t realize he could obtain the medication cheaply. Fortunately, he was one of hundreds who were treated by UCLA health care workers volunteering at the Care Harbor’s annual health clinic held Sept. 11-14 at the Los Angeles Sports Ar...
Source: UCLA Newsroom: Health Sciences - September 18, 2014 Category: Universities & Medical Training Source Type: news

We Are Our Shadows
The same year the Dalai Lama won the Nobel Peace Prize, 1989, I had my first panic attack. It was my freshman year in college and in the midst of hip-hop, frozen yogurt and scrunchies, I was celebrating independence from my parents for the first time but struggling academically. I had never defined myself as anxious, nervous or worried. Instead I was the girl who doesn't worry about anything. That's how my family had always described me, and I played the part well. As I stood in the emergency room breathing into a bag, doctors urging me to go on medication for my anxiety, I began to question my own sanity. These panic att...
Source: Healthy Living - The Huffington Post - November 14, 2014 Category: Consumer Health News Source Type: news

"Pictures Don't Lie, Seeing Is Believing": Exploring Attitudes to the Introduction of Pictorial Warnings on Cigarette Packs in Ghana
Conclusions: Warning labels combining pictures and text have the potential to reduce smoking uptake, increase quit attempts, and reduce smoking appeal among smokers and nonsmokers in Ghana. Measures to prevent single stick sales, or to promote health messages to purchasers of single sticks, are required.
Source: Nicotine and Tobacco Research - November 24, 2014 Category: Addiction Authors: Singh, A., Owusu-Dabo, E., Britton, J., Munafo, M. R., Jones, L. L. Tags: Original Investigation Source Type: research

Strenuous jogging 'as bad as doing no exercise' claim
Conclusion This study has suggested that light to moderate jogging could be associated with living longer compared with being sedentary, but strenuous jogging might not be. Due to the fact that this data was collected prospectively, there are considerable limitations. The main limitation is that although the total number of joggers was quite high (around 1,000), once these joggers were split up by duration, frequency and pace of jogging, some of the individual groups were much smaller. This was particularly the case in the most active jogging categories (those who jogged more often, for longer, and at a higher pace). This ...
Source: NHS News Feed - February 3, 2015 Category: Consumer Health News Tags: Heart/lungs Lifestyle/exercise Source Type: news

Stroke Rounds: Three Keys to Blazing Fast Thrombectomy
(MedPage Today) -- Bundle up, get severity into prehospital notification, and commit, say experts.
Source: MedPage Today Cardiovascular - April 23, 2015 Category: Cardiology Source Type: news