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Tag: "healthy" at biology news

Queen bee promiscuity boosts hive health

...promiscuity may be risky behavior for humans, it's healthy for honeybees: Queen honeybees who indulge in sexual surfeits with multiple drones produce more disease-resistant colonies than monogamous monarchs. According to a new Cornell study published in the Jan. 7 issue of the Proceedings of the Royal Socie...

Hope for a more effective and less toxic cancer drug

...aced by new ones. The body depends on a normal and healthy process called programmed cell death - or apoptosi...gue cells, the new drug attempts to reactivate the healthy and normal cell death program that failed to kill the unwanted cells on cue. WEHI's leading rese...

Protein 'fingerprint' in spinal fluid could spot Alzheimer's disease

...ded people with other forms of dementia as well as healthy individuals, looking for key differences between t...p of 10 patients with suspected Alzheimer's and 18 healthy and demented control subjects turned up similar results," said Relkin. "Based on their clinical symp...

Poor athletic performance linked to vitamin deficiency

...e people that means skinny and petite, rather than healthy and strong." The B-vitamins are in whole and enriched grains, dark green vegetables, nuts, and many animal and dairy products. Manore suggests athletes and individuals with poor or restricted diets consider taking a multivitamin or mineral suppleme...

Resistance and genetic sensitivity to sleeping sickness

...ncy of a mutation in subjects with symptoms and in healthy individuals. When the frequency of a mutation is s...nificantly higher in the sick subjects than in the healthy ones, this mutation is associated with an enhanced risk of developing the disease. Conversely, a sig...

Vaccine for brain tumors shows promising results

...this fingerprint. The vaccine is intended to leave healthy tissue unaffected and limit the debilitating side effects typically associated with traditional cancer treatments such as chemotherapy and radiation therapy. Vitespen has been granted fast track and orphan drug designations from the Food and Drug Adm...

Human stem cells delay start of Lou Gehrig's disease in rats

...ting cells around them, as many feared introducing healthy cells into a diseased environment would only kill them," says Vassilis Koliatsos, M.D., an associate professor of pathology and neuroscience at Hopkins. Although all the rats eventually died of ALS, Koliatsos believes his experiments offer "proof...

Altered perception of reward in human cocaine addiction

...ilarly graded brain response to monetary reward in healthy control subjects, but not in cocaine-addicted individuals. "The dysfunctional interplay between reward processing and control of behavior observed in these studies could help to explain the chronically relapsing nature of drug addiction," Goldstei...

Does natural selection drive the evolution of cancer?

... no longer require an external signal to divide as healthy cells do, and they are able to suppress a vital set of internal instructions that require cells to self-destruct when their genes are mutated beyond repair. This protective cell-suicide program carried by normal cells is known as apoptosis. Seeing...

UVa researchers seek to unlock broccoli's cancer fighting secret

...Institute (NCI) to study how specific nutrients in healthy vegetables like broccoli work to prevent cancer. Cross and Templeton found that nutrients in broccoli unexpectedly bond with a specific enzyme in cells. This enzyme had been clearly linked to inflammatory disease processes, but Cross solidified a l...

Antioxidant protects against lung damage in silicosis

... with chronic obstructive pulmonary disease and 27 healthy male volunteers as controls. The investigators also studied a mouse model of silicosis. Silicosis results from exposure to crystalline silica in mines and foundries, at sand blasting operations and at stone, clay, and glass manufacturing plants. C...

Flu shot effective against drifted influenza, nasal spray vaccine less so

...s found to be effective in preventing influenza in healthy adults. The live attenuated-virus nasal spray vaccine also prevented illnesses but was less effective. Both outcomes were determined by laboratory confirmation of flu infection, a University of Michigan study found. Earlier studies had suggested t...

High tech help to prevent further heart disease

...munity health outcomes by guiding patients to make healthy and positive lifestyle changes that will contribute to their recovery and ongoing wellbeing. ...

A natural chemical found in strawberries boosts memory in healthy mice

...f neurons, a situation very different from that of healthy mice. Thus the ultimate goal is to stop neuronal l... survival of cultured neurons and boosts memory in healthy mice make it a promising candidate for further studies. Notes Maher, "This is the first time that th...

Holiday gluttony can spell disaster for undiagnosed diabetics

... in half or don't eat large portions of food, even healthy food. Eat skinless chicken or turkey. Use low...ous research studies have shown that maintaining a healthy lifestyle with a balanced diet, weight management and regular exercise can prevent the development o...

Pleasure and pain: Study shows brain's 'pleasure chemical' is involved in response to pain too

...em to respond to." The study, which involved 25 healthy men and women, showed that dopamine was active in areas of the brain region known as the basal ganglia, the same region where it has been observed to respond to positive stimuli, such as food or sex. But when the researchers induced pain in the v...

PNAS study reveals why organs fail following massive trauma

...hallenge. Researchers took blood samples from 22 healthy subjects, and from 18 consenting patients who had ...picture of the differences between traumatized and healthy patients for the first time, and despite skeptics that said it could not be done. With pure sample...

Fish species plays surprise role in aiding coral reef recovery

... coral reefs is the widely documented shift from a healthy state in which corals dominate to a weedy state in...ly triggered a phase shift to algal dominance on a healthy reef. They then filmed the reef’s recovery with remote underwater digital videos cameras. Remarkably...

Bitter taste identifies poisons in foods

...isk for thyroid insufficiency. In the study, 35 healthy adults were genotyped for the hTAS2R38 bitter taste receptor gene; the three genotypes were PAV/PAV (sensitive to the bitter-tasting chemical PTC,) AVI/AVI (insensitive), and PAV/AVI (intermediate). Subjects then rated bitterness of various vegeta...

Brains can recover from alcoholic damage but patients should stop drinking as soon as possible

...more than 10 cigarettes a day), were excluded. Ten healthy volunteers (six men, four women), matched for age and gender, were recruited as controls for the study. The data were analysed and evaluated using FSL, a sophisticated software package developed at the Oxford FMRIB Centre, and LCModel (a computer pro...

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