Islamabad: A new study has revealed that eating at the right time is as important as what the person is eating in order to maintain a healthy heart.
Researchers at San Diego State University and the Salk Institute for Biological Studies found that by limiting the time span during which fruit flies could eat, they could prevent aging-and diet-related heart problems.
The researchers also discovered that genes responsible for the body’s circadian rhythm are integral to this process, but they’re not yet sure how. Previous research has found that people who tend to eat later in the day and into the night have a higher chance of developing heart disease than people who cut off their food consumption earlier. The researchers also sequenced the RNA of the flies at various points in the experiment to find which of their genes had changed as a result of time-restricted feeding.
They identified three genetic pathways that appear to be involved: the TCP-1 ring complex chaperonin, which helps proteins fold; mitochondrial electron transport chain complexes (mETC); and a suite of genes responsible for the body’s circadian rhythm. Girish Melkani, a biologist at SDSU whose research focuses on cardiovascular physiology was optimistic that the results could one day translate into cardiac- and obesity-related health benefits for humans.
The study is published in Science journal.
Another study sys that blood groups A, B, AB are at higher diabetes risk, Compared to individuals with blood type O, women with blood groups A, B and AB are at higher risk of developing Type 2 diabetes, a study has found.
“Our findings support a strong relationship between blood group and diabetes risk, with participants with the O blood type having a lower risk of developing Type 2 diabetes,” said Guy Fagherazzi from Centre for Research in Epidemiology and Population Health in France. For the study, the researchers collected data from more than 80,000 women in France followed between 1990 and 2008.
The results showed that, compared to women with group O blood, women with group A were 10 percent more likely to develop Type 2 diabetes and those with group B 21 percent more likely. The AB group was 17 percent more likely to develop Type 2 diabetes. Compared with O- women, the highest increased risk of developing Type 2 diabetes was found in B+ (35 percent increased risk), followed by AB+ (26 percent), A- (22 percent), A+ (17 percent).
“The present study shows for the first time in a large prospective cohort that specific ABO blood groups are associated with an increased Type 2 diabetes risk,” Fagherazzi said. The authors say that the reasons behind the association are currently unknown, but could be related to a number of factors. It has been suggested that the human ABO locus might influence endothelial or inflammation markers. ABO grouping is also associated with various molecules known to be connected to Type 2 diabetes.
The study was published in the journal Diabetologia.
Researchers of another study say that ‘headache may be only symptom of brain tumour’.
Headache could be the only symptom of brain tumour in many cases, say researchers, suggesting that CT scans and other neuro-imaging tests for people with headache could prove to be helpful tools in spotting the deadly disease.
The suggestions come in view of recent proposed guidelines in the US seeking to reduce the use of neuro-imaging tests for patients with headaches, as part of initiatives to limit the use of unnecessary and costly medical tests.
