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Tag: "hazards" at biology news

Studies to find better ways to preserve human eggs, ovarian tissue under way

...opreservation. Chemicals to protect cells from the hazards of freezing are added before taking tissue from the refrigerator temperature of 4 degrees Celsius to minus 80 degrees Celsius over two- and one-half hours. Later, liquid nitrogen takes it to minus 196 degrees “You put it in a control-rate freezer ...

Re-analysis of cigarettes confirms tobacco companies increased addictive nicotine 11 percent

...s demonstrated its potential to reveal undisclosed hazards to human health. They suggest that MDPH amend its unique reporting requirements to include more information about cigarette and smokeless tobacco product design features that affect nicotine delivery - as well as testing of a sample of brands for the...

Highly concentrated botulinum preparation for cosmetic injections can result in severe illness

.... "Physicians and patients must be aware of the hazards associated with illegitimate use of unlicensed botulinum toxin products. Only licensed products should be used clinically. Entities inappropriately marketing, selling, or using unlicensed botulinum toxin products should be sought and subjected to ful...

Colombian frog believed extinct found alive

... skin fungus, known as chytridiomycosis, and other hazards threatening the survival of a third of all amphibian species around the world. "The scientific importance of the finding must motivate us to adopt urgent measures toward saving the last of these amphibians, both in the wild and through captive breed...

Many cleaners, air fresheners may pose health risks when used indoors

...door use conditions, and it examines the potential hazards of small-scale yet widespread utilization of an array of products designed for household use. "We've focused a lot of effort in the last decades on controlling the big sources of air pollution and on the chemicals in consumer products that contribut...

US woman gives birth to baby from world's first frozen donor egg bank

...nor eggs greatly reduces any of the current health hazards from infectious disease transmission present when using donor eggs that have not been frozen. Egg donors for CEI are tested as required by the FDA for infectious diseases within 30 days of egg collection. Additionally, the eggs are then frozen and qu...

Screening blood for West Nile virus

...ts, but with limited resources and other potential hazards to blood supply safety, there has been a real need for good, objective economic studies to determine what type and what degree of screening should be performed. " ...

FDA approves child-friendly AIDS medicine

...e valuable information for assessing environmental hazards caused by Hurricane Katrina. The National Institute of Environmental Health Sciences (NIEHS), one of the National Institutes of Health, created the website to provide the most up-to-date data to public health and safety workers on contaminants in flo...

NIEHS launches website with information for assessing environmental hazards from Hurricane Katrina

...e valuable information for assessing environmental hazards caused by Hurricane Katrina. The National Institute of Environmental Health Sciences (NIEHS), one of the National Institutes of Health, created the website to provide the most up-to-date data to public health and safety workers on contaminants in flo...

Environmental lessons from tsunami as world's coastal population doubles

...tected and local communities were aware of coastal hazards than those places where development went right up to the coastline. Sand dunes, mangrove forests and coral reefs helped reduce the energy of tsunami waves in Sri Lanka by acting as natural barriers, the Stockholm Environment Institute discovered in ...

UN: World in big ecological mess

...ation, and regulation of regional climate, natural hazards and pests ?increases the likelihood of potentially abrupt changes that will seriously affect human well-being. Its findings include: * More land was converted to agriculture since 1945 than in the 18th and 19th centuries combined. More than half of...

To sea or not to sea: When it comes to salmon sex, size sometimes doesn't matter

...en by most salmon to the ocean and back, bypassing hazards such as dams, sharks and fishermen. "In some species, all or a fraction of the individuals in some populations do not migrate to sea at all," he says. "These fish sacrifice the growing opportunities at sea for the relative safety of freshwater, and ...

Researchers discover underwater volcano

... to ocean navigation and coastal communities. Such hazards may include the explosive reaction between red-hot lava and seawater, or tsunamis that may be caused by the collapse of the newly built volcano. "It is a good idea for us to keep our eyes on this area, but there is no real reason for concern about i...

Scientists collaborate to assess health of global environment

...rification, and the regulation of climate, natural hazards and pests. Only four have been enhanced, and three of those pertain to food production. Turning things around will require significant policy and institutional changes not currently under way, the global assessment will conclude. ...

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