Study finds marijuana use leads to brain development in rats

Posted on January 1, 2021January 2, 2021Categories Uncategorized

Saturday, October 15, 2005

In the November issue of the Journal of Clinical Investigation,researchers announce that they have found that cannabinoids promoted a generation of new neurons in rats’ hippocampi. The study held true for both a plant-derived and a synthetic cannabinoid. The hippocampus is a part of the brain that contributes to learning and memory. In particular, it has been shown that the hippocampus is essential for the formation of new episodic memories.

“This is quite a surprise, chronic use of marijuana may actually improve learning memory when the new neurons in the hippocampus can mature in two or three months,” said Xia Zhang, with the Neuropsychiatry Research Unit of the University of Saskatchewan.

“Our results were obtained from rats, and there’s a big difference between rats and humans,” added Zhang, “So, I really don’t know yet if our findings apply to humans. But our results indicate that the clinical use of marijuana could make people feel better by helping control anxiety and depression.”

Zhang and his co-workers performed behavioral tests on two purified cannabinoids. The test results indicated that these two cannabinoids have anti-anxiety and antidepression-like effects in rats that may depend on the ability of cannabinoids to promote the production of new neurons in the hippocampus. Marijuana contains a complex mixture of chemicals including cannabinoids and may have somewhat different behavioral effects than the purified cannabinoids tested so far.

Previous studies examining the effects of cannabis have highlighted negative aspects of the drug’s use, such as short term memory difficulties, increased heart rate, nausea, and (in a very small percentage of people) hallucinations. Long term studies about cannabis use tend to be controversial as the data is seen to be biased or flawed. The most agreed upon effect of long term cannabis use is lung damage. However, proponents argue that the correlation between cannabis consumption and lung cancer is misleading suggesting that cannabis use may correlate with tobacco use or that the data is not being properly analyzed.

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Africans keep the leading position at 2008 Mumbai Marathon

Posted on December 31, 2020January 1, 2021Categories Uncategorized

Sunday, January 20, 2008

The Standard Chartered Marathon, nicknamed “The Greatest Race on Earth“, held its third stage in Mumbai, India today. Because of the scorching hot weather in India, marathon runners had to adapt to the weather to overcome the challenge.

More than 30,000 runners participated in this race, joined by local NGOs and disabled who participated in a special charity short-distance running including 6km dream run, 4.3 km senior, and 2.5km wheel-chair classes. Gabriela Szabo, former Romanian Olympic Gold Medalist, named as charity ambassador of the race, was pleased by the participation from experts and NGOs.

An hour into the race, former champion Daniel Rono and Joseph Kimisi took the lead, but then Tariku Jifar from Ethiopia and defending champion John Ekiru Kelai took over Rono and Kimisi. After 40 kilometres, Kelai took a decisive lead and finally retained his champion title in 2 hours 12 minutes 22 seconds.

In the Women’s Group, Mulu Seboka from Ethiopia won the champion with 2H30m03s. Local runners Surendra Singh & Kavita Raut won the Men’s and Women’s Champions in the half-marathon class.

Division & Groups Men’s Group Women’s Group
South East Asia Dang Duc Bao Nguyen (Vietnam) 2:30’57” Pacharee Chaitongsri (Thailand) 2:55’29”
North East Asia Chin-chi Chiang (Chinese Taipei) 2:33’33” Xin Zhang (China) 2:53’59”
South Asia and Middle East Ajith Bandara Adikari Mudiyanselage (Sri Lanka) 2:24’07” Lakmini Anuradhi Bogahawatta (Sri Lanka) 3:04’21”
Africa John Ekiru Kelai (Kenya B) 2:12’22” Irene Kemunto Mogaka (Kenya B) 2:32’50”
Europe and Oceania Oleg Kharitonov (Russia) 2:30’55” Helen Stanton (Australia) 2:52’33”
America Paulino Canchanya Canchanya (Peru) 2:28’13” Rosangela Figueredo Silva (Brazil) 2:58’16”

Division & Groups Men’s Group Women’s Group
South East Asia Vietnam Thailand
North East Asia Chinese Taipei China
South Asia & Middle East India Sri Lanka
Africa Kenya B Kenya B
Europe & Oceania Russia Finland
America Peru United States
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Posted on December 22, 2020December 23, 2020Categories Bird And Pest Control Products

Submitted by: Rauff Ahmed

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