Its not clear why that is so, but its possible that the main active ingredient in marijuana, a chemical known as THC, makes the difference
The absence of significant findings in other subgroups may reflect insufficient sample size and consequently limited statistical power to detect weaker associations
Bob Murray, then editor of Autocar magazine, wrote: "Nobody buying this car could possibly argue he either needs or will be able to use a top whack which is claimed to be around 180 mph", and suggested that Vauxhall should follow the example set by German automakers (who had begun electronically limiting the top speed of their high-performance cars to 155 mph (249 km/h))
However, the dose-response relationships observed in this research suggest that the act of smoking itself contributes to mental health problems
Following this, the doctor will perform a physical examination to inspect for any warts, swellings, rash, sores, discharge or enlarged lymph nodes and order additional tests to establish a diagnosis