Research found that normal-weight mothers who accurately assessed their pre-pregnancy weight had half the odds of excessive gestational weight gain compared to those who underestimated. Under-assessors were younger, non-white, lower-income, and less educated, with poorer dietary habits.
Aphids leave behind their old exoskeletons, called exuviae, to act as decoys for parasitoid wasps. This behavior helps aphids escape from parasitic attacks by giving other aphids time to flee while the wasps investigate the empty shells.
A recent survey of doctors has found that most feel only confident in performing five out of seventeen procedures required by the NHS. The study suggests that guidance on acceptable standards is limited, and some procedures may be unachievable for all trainees.
Researchers discover that polyphenols in extra-virgin olive oil drastically suppress the overexpression of the cancer gene HER2 in human breast cancer cells. The findings suggest a safe platform for designing new anti-breast cancer drugs.
A US death map shows that heat/drought and severe summer weather are leading causes of death, with the South and mountain west particularly vulnerable. The study highlights the importance of emergency management in reducing loss of life from natural hazards.
A new technique allows for the simultaneous tracking of gene expression and movement in Drosophila flies, enabling researchers to study correlations between behavior, gene expression, and aging. The method uses green fluorescent protein (GFP) and specially modified video cameras to track movement and quantify GFP expression in real-time.
A supplement published in Malaria Journal reviews aspects of research agenda for global malaria elimination. Despite hurdles, progress has been made in developing malaria vaccines intended to kill all parasites in the community, reducing transmission.
A study of over 1,000 female sex workers in Cambodia found that new entrants were twice as likely to have gonorrhoea or chlamydia. The high risk is attributed to limited access to STI services and prevention information. The study highlights the need for improved health education and training programs for sex workers.
Dr Ben Berkhout's multi-disciplinary approach to RNA research has provided key insights into HIV-1 replication mechanisms. He was awarded the 2008 M Jeang Retrovirology Prize for his outstanding mid-career contribution to HIV research.
Levels of drug-resistant TB in China are nearly twice the global average, with 10% resistant to first-line drugs. The prevalence varied greatly between provinces, with an average weighted mean of 9.3% among all cases.
Researchers have developed a new method to prioritize disease-associated SNPs by analyzing genes with high differential expression rates. This approach, called fitSNPs, successfully distinguished true disease genes from false positives in genome-wide association studies, and can serve as a powerful tool for prioritizing disease genes.
Research published in BMC Medical Education reveals a high prevalence of depression among medical students, particularly females, with symptoms including somatic and affective clusters. The study suggests that this period is crucial for professors and educators to monitor suicidal thoughts and risk in their students.
Researchers found that tamoxifen promotes aggressive cell behavior in ER+ breast cancer cells with poor intercellular adhesion. The study suggests that oestrogen deprivation may be a more appropriate treatment for these patients.
A study found that media coverage of clinical trials rarely provides readers with the necessary information to make informed decisions. The researchers compared pharmaceutical and herbal remedy trials and found that stories underreported risk and lacked disclosure of trial funding and scientists' conflicts of interest.
A recent study published in Arthritis Research & Therapy found that more effective use of existing arthritis treatments is crucial for achieving better patient outcomes. The research, led by Isidoro González-Alvaro, suggests that disease activity and disability have improved independently of new therapies.
Research challenges the idea that longer sperm are faster due to drag from their heads. Streamlining and tail shape may be more important factors in determining sperm performance.
A recent study published in Reproductive Health found that pregnant women who attended water aerobics classes had shorter labor durations and lower rates of analgesia requests compared to those who did not participate. The research suggests that moderate water aerobics during pregnancy may improve maternal and fetal health outcomes.
A UK study reveals that most children are meeting physical activity guidelines, but failing to eat five pieces of fruit and vegetables a day. The study found that socioeconomic background plays a significant role in dietary habits, with children from lower-income backgrounds more likely to consume healthy foods.
A study in Mexico City found that asthmatic children are more likely to experience worsening respiratory symptoms when living near high-traffic areas. The study, led by Dr Isabelle Romieu, suggests that diesel particles have a significant impact on respiratory health.
The launch of BioMed Central's Genome Medicine journal marks a significant milestone in the field of personalized medicine. The journal will focus on the latest technologies and findings impacting human health and disease, covering topics such as genomics, epigenetics, and computational approaches to disease management.
A new technique allows for a quantitative and precise determination of plant viability during drought stress using chlorophyll fluorescence. This method is non-invasive, easy to measure, and minimizes technical expertise, making it a valuable complement to existing methods.
Research on small skink lizards reveals extensive body shape changes over brief geological periods, with species evolving an elongate, limbless body form. The study found rapid evolution of this snake-like body form, without reversals, and estimated the loss of limbs to have occurred within 3.6 million years.
A double-blind study found that beta-alanine supplementation increases physical working capacity in elderly individuals, improving fitness levels by 67% compared to placebo. This increase is clinically significant, as decreased functional capacity is associated with increased mortality.
Researchers developed an AI coaching system called COACH to assist older adults with moderate dementia in performing daily activities. The system uses computer vision and artificial intelligence techniques to deliver personalized reminders, resulting in increased independence for participants.
A large study of former fenfluramine users found a strong association between duration of exposure and prevalence of valve regurgitation. The risk of valve surgery was increased approximately seven-fold, with over 0.44% of participants undergoing surgery due to the drug's use.
Researchers found that applying a probiotic bacterial solution in place of antiseptics effectively prevents respiratory illness in ventilated patients. The friendly bacteria, Lactobacillus plantarum 299, has no negative side effects and does not contribute to antibiotic-resistant strains.
Research published in PathoGenetics reveals that one mutated SMAD4 allele is associated with gastrointestinal polyps and cancer development. This study highlights the importance of dosage in tumor suppressor genes, challenging the conventional understanding of gene mutations and disease phenotypes.
A study on eland antelopes found that males use knee clicking to broadcast their fighting ability and settle conflicts without incurring high costs. The researchers also discovered that the size of a bull's dewlap is related to age, while hair darkness reflects aggressiveness.
A study of over 32,000 American women found that vigorous physical activity significantly lowers the risk of breast cancer. While non-vigorous activities did not offer protection, researchers suggest mechanisms like reduced inflammation and immune function may contribute to this benefit.
A study found that 24-hour drinking has not reduced the burden of alcohol-related attendances to emergency departments but shifted the problem to later into the night. This trend was seen for weekdays and weekends, with significantly more attendances in early morning hours.
The new journal Epigenetics & Chromatin publishes research on heritable changes in gene expression without altering DNA sequence. High-quality studies on human telomeres and the RNAi pathway have been published, shedding light on epigenetic inheritance and chromatin-based interactions.
A meta-analysis found that many wines contain high levels of metal ions, exceeding the safe threshold and posing potential health risks. The study suggests that these metals may contribute to neurological problems, oxidative damage, and chronic inflammatory diseases.
Researchers found that transcranial direct current stimulation (tDCS) can improve delicate task performance by 24%, outperforming single-hemisphere and sham treatments. The study used healthy volunteers to test the effects of dual-hemisphere tDCS, showing significant benefits for non-dominant hand skills.
Research published in BMC Pediatrics reveals that children who engage in behaviors like sexual activity, alcohol consumption, and smoking are more likely to use methamphetamines. Long-term use of the drug can be a serious problem due to its low cost and ready availability.
Researchers have discovered primary developmental defects in the lens of moles, leading to a disrupted epithelium and disorganized mass of immature fibre cells. Genetic information reveals abnormal gene expression central to eye development, causing incomplete lens fibre completion.
Researchers found that most cases of strangulation occurred early in the morning, often in homes, and were more common among victims who had consumed excessive alcohol. The study revealed a significant correlation between sexual violence and female strangulation rates in South Africa.
Researchers found that methylmercury harms T-lymphocytes, key cells in a seal's immune system, and similar results were also observed in human lymphocytes. The study suggests that mercury pollution may have already taken a toll on harbor seals' ability to fight infections.
Researchers used a new genetic screening method, MLPA, on children with autism spectrum disorders to identify known genetic causes of cognitive impairment. The study found efficient identification of well-known genetic disorders and novel genetic changes contributing to ASDs, such as microduplications in chromosomes 15 and 22.
A new open access journal, Fibrogenesis & Tissue Repair, has launched to address key issues in tissue fibrosis and repair. The first paper published in the journal reveals that connective tissue growth factor (CTGF) expression in skin correlates with myofibroblast induction.
A study found that farmers are skilled at identifying mildly lame sheep, but often neglect to treat them promptly, allowing the disease to spread. The researchers recommend that farmers inspect and treat the first mildly lame sheep in a group within one to three days of it first being lame
Scientists have detected changes in prion protein production and accumulation in brains of cattle with a rare neurological disorder. The study suggests an association between abnormally high levels of prion protein and the disease, but differs from BSE and CJD.
Researchers found that froghoppers store energy in a composite structure made of hard cuticle and resilin, flexing it like an archery bow before releasing the energy for a powerful jump. This technique allows them to achieve remarkable heights, over 100 times their body length.
A study analyzing English cancer patients found that cervical and lung cancer rates are higher among poor people, while breast and melanoma rates are higher in wealthier groups. Smoking is strongly associated with socioeconomic status and contributes to the higher incidence of lung cancer in deprived groups.
A new study found that American children are three times more likely to be prescribed psychotropic medication than their European counterparts. The differences in practice may be attributed to various factors, including diagnostic classification systems, government cost restrictions, and the use of direct-to-consumer drug advertising.
New research found that many published clinical genomic signatures have high specificity but very low sensitivity, making them inadequate for most clinical applications. The study suggests that a rigorous approach to evaluating signature quality is necessary to improve the accuracy of sequence-based diagnostics.
Research published in BMC Public Health found that supervised exercise helped pregnant women quit smoking, with a quarter of participants giving up before birth. Regular exercise was also linked to weight loss, improved self-image, and reduced cravings.
Researchers have discovered two types of astrocyte support cells generated from a common stem cell-like precursor cell, one effective at promoting nerve regeneration and the other causing neuropathic pain. The study offers a promising approach to repairing spinal cord injuries without inducing pain syndromes.
A new study reveals that delayed elective coronary artery bypass graft (CABG) surgery significantly increases the risk of post-operative death. In contrast, performing CABG surgery within the recommended timeframe reduces the risk of death by approximately one-third.
Research published in BMC Ecology reveals at least 32 reef fish species exhibiting red fluorescence, a previously unknown signaling mechanism. The authors speculate that this phenomenon may serve as a private communication system among fish, allowing for attraction and presence detection.
A new marker for raised intracranial pressure has been identified using magnetic resonance imaging measurements of the optic nerve sheath. A retro-bulbar optic nerve sheath diameter above 5.82mm predicts raised ICP in 90% of cases, providing a non-invasive solution for early detection and treatment.