What is Nicotine Nicotine is a potent parasympathomimetic alkaloid found in the nightshade family of plants (Solanaceae) and a stimulant drug. It is a nicotinic acetylcholine receptor agonist. It is made in the roots and accumulates in the leaves of the plants. It constitutes approximately of the dry weight of tobacco and is present in […]
Deadly Bird flue H7N9 spreads to central China’s Hunan
SHANGHAI: China’s deadly outbreak of H7N9 bird flu has spread to the central province of Hunan, local health authorities said Saturday, the third announcement in three days of a case in a new location. A 64-year-old woman in Shaoyang City, who developed a fever four days after coming into contact with poultry, was confirmed to […]
How China Bird Flu Infects Humans? Experts Have No Clear Idea
The uncertainty adds to challenges the Chinese government is facing in trying to control the spread of the H7N9 bird flu virus that has already killed 17 people and infected 66 others in the country, mostly along the eastern seaboard. “To me, the biggest question is the link between the virus in birds and how […]
