Tag: "famine" at biology news
UCLA study finds clues to diabetes puzzle
...ut" of natural selection when an especially brutal famine
in historic times further concentrated the gene's carriers in the population, Diamond found. For instance, Arizona's Pima Indians experienced crop failures, widespread starvation, and the likely enrichment of the surviving population with thrifty gen...
Wildlife markets and disease transmission
...t to be pests led to failed rice crops and massive famine
because the birds had really been helping to control actual insect pests. In almost all cases, eradication schemes are not cost efficient or effective means to reduce disease spread when compared to health education, sanitation, and controlling ani...
Avian flu: Shut down wild bird markets, experts say
...e 1950's resulted in failed rice crops and massive famine
because the birds had actually been controlling pests. Dr Robert Cook, Vice President of Wildlife Health at WCS , said, "In almost all cases, eradication schemes are not cost-efficient or effective means to reduce disease spread when compared to ...
Just how much water do we really need? The answer may depend on our age
...e same rate. Wars have erupted over water rights; famine
and mass starvation have resulted from climate changes that have turned gardens into deserts. Soon we will all be concerned about how much water we really need. There is no question that water is vital to the body's overall health. We use water for...
Researcher identifies Irish potato famine pathogen
... its place of origin that caused the Irish potato famine
in the 1840s. Using DNA fingerprinting analysis of...presumed to be the culprit behind the Irish potato famine
and other epidemics before Ristaino's groundbreaking 2001 study was present only in more modern sam...
Researchers establish first molecular link between eating and aging
... scientists have known for decades that controlled famine
can extend the lifespan of mammals by as much as 5...n stored, when the Sirt1 protein senses short-term famine
and turns off the receptors that normally keep fat stored in fat cells. Thus fat cells shed their fa...
Study identifies genetics of fat metabolism, red wine link
...ionary adaptation for the body to sense short term famine
and counter it by increasing the burning of stored body fat, researchers say. The increased activity of SIRT1 in the presence of resveratrol is clearly of interest, the researchers said, but it's too early to be certain of its effects in humans. "It ...