Washington, Nov 23 : Risk of suffering from pre school wheezing gets reduced by almost half in babies, who start eating fish before they turn nine months, a new study has suggested.
But they face a higher risk if they are treated with broad-spectrum antibiotics in the first week of life or their mother takes paracetamol during pregnancy.
Researchers analysed responses from 4,171 randomly selected families, who answered questions when their child was six months, 12 months and four-and-a-half years of age.
Washington, Nov 23 - Long-term consumption of coffee may be associated with a reduced risk of cancer of the endometrium -- or the lining of the uterus or womb, says a 26-year study.
The study published online Tuesday in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research, said coffee is fast emerging as a protective agent in cancers linked to obesity, estrogen and insulin.
Washington, Nov 23 : A new study has found that long-term coffee consumption may help reduce risk for endometrial cancer.
Coffee is emerging as a protective agent in cancers that are linked to obesity, estrogen and insulin, said Edward Giovannucci, M. D., Sc. D., professor of nutrition and epidemiology at the Harvard School of Public Health.
“Coffee has already been shown to be protective against diabetes due to its effect on insulin,” said Giovannucci, a senior researcher on the study.
“So we hypothesized that we’d see a reduction in some cancers as well,” he stated.
Washington, Nov 22 : A team of scientists is trying to develop a chewing gum that may assist individuals in losing weight.
In a groundbreaking new study, the team led by Syracuse University chemist Robert Doyle demonstrated, for the first time, that a critical hormone that helps people feel “full” after eating can be delivered into the bloodstream orally.
The hormone, called human PYY, is part of a chemical system that regulates appetite and energy. When people eat or exercise, PYY is released into the bloodstream.
The amount of PYY that is released increases with the number of calories that are consumed.
Washington, Nov 21 - The more often married individuals above the age of 65 engage in sex, the more likely they are to be happy with both their lives and marriages.
Based on the survey responses of 238 married individuals aged 65 years or older, Adrienne Jackson found that frequency of sex significantly predicted both general and marital happiness.
The link even remained after accounting for factors such as age, gender, health status, and satisfaction with financial situations, said Jackson, assistant professor at Florida Agriculture and Mechanical University.
Washington, Nov 19 : Scientists are trying to discover how a toddler learns to take his first steps.
They are studying whether our brains are specially wired to learn this important behaviour so early on.
By looking at the body’s neural circuitry in rats, humans and other animals, researchers pieced together that the process of learning to move around looks similar across species, despite most mammals moving on four legs and Homo sapiens stepping with two.
The finding indicated that humans’ innate ability to walk has a lengthy evolutionary history.
Washington, Nov 19 : Scientists at Heidelberg University Hospital have finally solved the mystery - why people with a hereditary mutation of the red blood pigment haemoglobin - as is the case with sickle-cell anaemia prevalent in Africa - do not contract severe malaria?
A degradation product of the altered hemoglobin provides protection from severe malaria.
Within the red blood cells infected by the malaria parasite, it blocks the establishment of a trafficking system used by the parasite’s special adhesive proteins – adhesins – to access the exterior of the blood cells.
Washington, Nov 19 : Women taking menopausal hormone therapy that combines estrogen and progestin may be at higher risk of developing breast cancer than women taking estrogen alone, a new study has suggested.
Menopausal hormone therapies are given to relieve symptoms in post-menopausal women.
Researchers at UCLA’s Jonsson Comprehensive Cancer Center found that women taking the combination hormone therapy who experienced new onset breast tenderness had a 33 percent greater subsequent risk of developing breast cancer than women who did not experience breast tenderness.
Washington, November 18 : Children whose fathers are overweight are more likely to have weight troubles when they are older than other children of their age.
On the other hand, an overweight or obese mother makes little difference to the chances of her child developing weight problems.
A study of more than 3,000 families by researchers at the University of Newcastle, Australia found that 4-year-olds whose fathers were overweight or obese were at least four times more likely than other children to have weight problems by the time they were eight.
Washington, November 18 : Green tea may be effective in reducing ‘bad cholesterol’, a study has found.
Green tea contains antioxidant compounds called catechins, which many studies have tested for their effect on cholesterol even though the studies have been small and had conflicting results.
For the new study researchers at Western University of Health Sciences in Pomona, California, pooled the results of these clinical trials, involving a total of 1,415 adults.
Washington, Nov 18 : Bugs starved of nutrition during infection become resistant to nearly every type of antibiotics, even if they are exposed to some of them for the first time.
What causes starvation-induced antibiotic resistance, and how can it be overcome? Researchers came up with surprising answers.
"A chief cause of the resistance of biofilms is that bacteria on the outside of the clusters have the first shot at the nutrients that diffuse in," said Pradeep Singh, associate professor of medicine and microbiology at the University of Washington.
Washington, Nov 16 : Scientists at the University at Buffalo School of Medicine and Biomedical Sciences found that infusing stem cells derived from cardiac biopsies or “cardiospheres,” generated healthy, new heart cells in animals with chronic ischemic heart disease.
They hope that this stem cell therapy could be applicable to patients suffering from heart dysfunction arising from insufficient blood flow to the heart.
The UB research demonstrated a 30 percent increase in healthy heart muscle cells within a month after receiving cardiosphere-derived cells (or CDCs).
Washington, Nov 16 : Sex during adolescence can have lasting negative effects on the body and mood well into adulthood, most likely because the nervous system is in its developing phase during this age, a new study has suggested.
While the research used laboratory animals, the findings provide information that may be applicable to understanding human sexual development.
Researchers paired adult female hamsters with male hamsters when the males were 40 days old, the equivalent of a human’s mid-adolescence.
Washington, Nov 16 : An Indian origin scientist has suggested that silibinin, a major component of milk thistle, may be a promising therapeutic compound in the treatment of lung cancer.
Alpna Tyagi, PhD, of the University of Colorado Skaggs School of Pharmacy, and her team found that treatment with silibinin stopped the spread of these lung cancers in mouse.
Tissue with wound-like conditions allows tumours to grow and spread.
In the new animal study, silibinin help removed the molecular billboards that signal these wound-like conditions inhibiting the spread of these lung cancers,
Washington, Nov 16 : Administration of a newdrug–evacetrapib– can dramatically increase HDL (good) cholesterol, while significantly lowering LDL (bad) cholesterol), a US researcher says.
At the highest tested dosage, the levels of HDL more than doubled.
Evacetrapib (500 mg) produced an HDL increase that ranged from 53.6 percent to 128.8 percent, while decreasing LDL by 13.6 percent to 35.9 percent. When combined with statin therapy, evacetrapib (100mg) increased HDL by 79.9 percent to 94 percent and further decreased LDL.
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