Latest Science News -- ScienceDaily
Volcanic eruption influenced Iceland's conversion to Christianity
Mon, 19 Mar 2018 09:07:40 EDT
Memories of the largest lava flood in the history of Iceland, recorded in an apocalyptic medieval poem, were used to drive the island's conversion to Christianity, new research suggests.
Exposure to low levels of BPA during pregnancy can lead to altered brain development
Sun, 18 Mar 2018 14:49:01 EDT
New research in mice provides an explanation for how exposure to the widely used chemical bisphenol A (BPA) during pregnancy, even at levels lower than the regulated 'safe' human exposure level, can lead to altered brain development and behavior later in life.
Prenatal exposure to plasticizer may affect male fertility in future generations
Sun, 18 Mar 2018 14:48:58 EDT
Chemicals found in a variety of routinely used consumer products may be contributing to the substantial drop in sperm counts and sperm quality among men in recent decades, a new study in mice suggests.
Chemicals in lavender and tea tree oil appear to be hormone disruptors
Sun, 18 Mar 2018 14:48:56 EDT
A new study lends further evidence to a suspected link between abnormal breast growth in young boys -- called prepubertal gynecomastia -- and regular exposure to lavender or tea tree oil, by finding that key chemicals in these common plant-derived oils act as endocrine-disrupting chemicals.
Estrogen may reduce disordered eating in female athletes with irregular periods
Sun, 18 Mar 2018 14:48:53 EDT
Giving one year of estrogen replacement to female athletes with exercise-induced menstrual irregularities improves drive for thinness, body dissatisfaction and uncontrolled eating, a new study finds.
Experts issue recommendations to improve testosterone prescribing practices
Sun, 18 Mar 2018 14:48:50 EDT
New scientific evidence has strengthened the case for reserving testosterone therapy for well-documented cases of hypogonadism, a condition where the body does not produce enough testosterone, experts concluded in an updated Clinical Practice Guideline.
Interactive virtual reality enhances physicians' treatment planning of complex conditions
Sun, 18 Mar 2018 14:48:42 EDT
Interactive virtual reality (VR) brings medical images to life on screen, showing interventional radiologists a patient's unique internal anatomy to help physicians effectively prepare and tailor their approach to complex treatments, such as splenic artery aneurysm repair, according to new research.
Stem cell therapy may help reverse effects of premature menopause, restore fertility
Sun, 18 Mar 2018 14:48:39 EDT
Young women with premature ovarian insufficiency (POI) may be able to use their own bone marrow stem cells to rejuvenate their ovaries and avoid the effects of premature menopause, new research suggests.
Low sperm count not just a problem for fertility
Sun, 18 Mar 2018 14:48:36 EDT
A man's semen count is a marker of his general health, according to the largest study to date evaluating semen quality, reproductive function and metabolic risk in men referred for fertility evaluation.
Dimethandrolone undecanoate shows promise as a male birth control pill
Sun, 18 Mar 2018 14:48:34 EDT
A new birth control pill for men appears to be safe when used daily for a month, with hormone responses consistent with effective contraception, study researchers say.
High-energy breakfast promotes weight loss
Sun, 18 Mar 2018 14:48:31 EDT
In patients with obesity and type 2 diabetes, a meal schedule that includes a high-energy breakfast promotes weight loss, improves diabetes and decreases the need for insulin, new research reports.
Consuming low-calorie sweeteners may predispose overweight individuals to diabetes
Sun, 18 Mar 2018 14:48:29 EDT
Consumption of low-calorie sweeteners could promote metabolic syndrome and predispose people to prediabetes and diabetes, particularly in individuals with obesity, a new study on human fat-derived stem cells and fat samples suggests.
Mediterranean diet is linked to higher muscle mass, bone density after menopause
Sun, 18 Mar 2018 14:48:26 EDT
The heart-healthy Mediterranean diet also appears to be good for an older woman's bones and muscles, a new study of postmenopausal women in Brazil finds.
E-cigarettes may lead to accumulation of fat in the liver
Sun, 18 Mar 2018 14:48:24 EDT
Using e-cigarettes may lead to an accumulation of fat in the liver, a study of mice exposed to the devices suggests.
In BRCA mutation carriers, obesity is linked with increased DNA damage
Sun, 18 Mar 2018 14:48:21 EDT
Being obese or having a higher body mass index (BMI) while carrying a BRCA (BReast CAncer gene) mutation is positively linked with higher levels of damage to the DNA in normal breast gland cells, new research suggests.
Hormone imbalance may explain higher diabetes rates in sleep-deprived men
Sun, 18 Mar 2018 14:48:19 EDT
Studies have found an association between insufficient sleep and the development of insulin resistance, one of the factors that cause type 2 diabetes, and now researchers have discovered a biological reason for this relationship, at least in men: an imbalance between their testosterone and cortisol hormones.
New diabetes drug may help people with obesity lose weight
Sun, 18 Mar 2018 14:48:16 EDT
A compound that mimics a naturally occurring hormone that regulates appetite may help people who have obesity but not diabetes to lose weight, a new study suggests.
Race, pre-pregnancy BMI may help predict maternal weight gain
Sun, 18 Mar 2018 14:48:14 EDT
Race and pre-pregnancy body mass index (BMI) both affect leptin and adiponectin levels, and leptin levels in mid-pregnancy may be an important predictor of weight gain during pregnancy, new research suggests.
Breastfeeding may protect high-birthweight infants from childhood obesity
Sun, 18 Mar 2018 14:48:11 EDT
Breastfeeding may protect high-birthweight infants from having overweight or obesity as children, new research suggests.
Overeating during breastfeeding may affect the health of offspring
Sun, 18 Mar 2018 14:48:09 EDT
Mothers who overeat during the period when they are breastfeeding may have children who are at increased risk of becoming obese and going through early puberty, a new study of mice suggests. Early puberty may lead to increased risk of diabetes or reproductive problems later in life, according to the research.