Tag: "inhaling" at biology news

Cloning the smell of the seaside

...ne, it is dimethyl sulphide. And secondly, because inhaling it is not necessarily good for you." DMS is a little known but important gas. Across the world's oceans, seas and coasts, tens of millions of tonnes of it are released by microbes that live near plankton and marine plants, including seaweeds and s...

Stanford discovery may help predict when toxoplasma can be deadly

...cted by the parasite by accidentally consuming or inhaling the cysts from infected cat feces, by eating meat from an infected animal - especially pork, lamb or venison - or by drinking contaminated water. Cats are the primary carriers of Toxoplasma, though they rarely exhibit symptoms. The significance...

Antioxidant protects against lung damage in silicosis

...with silicosis, an inflammatory disorder caused by inhaling crystalline silica for prolonged periods. The study included 27 male patients with chronic obstructive pulmonary disease and 27 healthy male volunteers as controls. The investigators also studied a mouse model of silicosis. Silicosis results from ...

Contrary to common wisdom, scientist discovers some mammals can smell objects under water

...ight back in, he determined they were exhaling and inhaling the bubbles rapidly, between five and 10 times per second. That is about the same rate as the sniffing behavior of comparably sized land mammals, like rats and mice. "Rats and mice don't sniff the way we do," Catania said. "They push air 'out-in out-...

Global study shows all tobacco bad for the heart

...acco exposure, whether that be smoking, chewing or inhaling second hand smoke, increase the risk of heart attack. The study by professors Salim Yusuf and Koon Teo of the Michael G. DeGroote School of Medicine at McMaster University and Hamilton Health Sciences in Hamilton, is published in this week's issue ...

Cigarette smoke blocks cell repair mechanism, University of Florida study shows

...ife, he said. "Teenagers should realize they are inhaling 4,000 chemicals, and these chemicals can do so much harm in the body, not only posing a breast cancer risk but for so many other things," Narayan said. "The consequence of these chemicals is not apparent in one day or two days or in months; it takes ...

Researchers show how air pollution can cause heart disease

...e who breathed polluted air fared worse than those inhaling filtered air. But when coupled with a high-fat diet, the impact of PM2.5 exposure was even more dramatic. The results added up to a clear cause and effect relationship between PM2.5 exposure and atherosclerosis, according to the study. On the whole,...

1