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The possibility of drug interactions, direct toxicities, and contamination with active pharmaceutical agents are among the safety concerns about dietary and herbal supplements. Although there is a widespread public perception that herbs and botanical products in dietary supplements are safe,…

These six tips describe how over-the-counter or prescription drugs interact with certain dietary supplements. For example, St. John's wort can decrease the levels of certain medications and green tea supplements interact with pseudoephedrine (a decongestant).

A simple blood test can detect early markers of "reinvigorated" T cells and track immune responses in metastatic melanoma patients after initial treatment with the anti-PD-1 drug pembrolizumab, scientists report.

New research on sickle cell disease (SCD) has found that using antibiotics to deplete the body's microbiome may prevent acute sickle cell crisis and could offer the first effective strategy for warding off the disease's long-term complications, such as organ failure. The study could also lead to…

In the first and largest studies to examine subtle variation of imprinted gene expression and control, investigators report on a subgroup of imprinted genes expressed in the placenta.

Accurately determining HER2 status in patients with breast cancer is a critical prognostic and predictive factor and identifies patients who may benefit from treatment with anti-HER2 therapies.

Chemists have developed a catalyst that improves the sensitivity of the standard PSA test over 100-fold. The catalyst is made of palladium nanocubes coated with iridium.

While cancer is the second leading cause of death overall in the United States, it remains the leading cause of death among US Hispanics, according to a new report.

Using antibacterial soap when hand-washing is no more effective than using plain soap, according to a new paper. The study examined the effect of triclosan (the most commonly used active antiseptic ingredient used in soap) on bacteria.

A study carried out in Spain analyses the variables involved in behavioral problems of children in foster care. The study concludes that emotional relationships and educational style are key to reducing problems with children and the strain on foster families.

A study describes a forgotten technique used in the fly Drosophila melanogaster dating back 80 years. This method allows the transplantation of tissue from larvae to adult flies, thus allowing research into tumor growth and other biological processes of biomedical interest, such as tissue…

A novel radiopharmaceutical probe has the potential of providing physicians with information that could save the lives of patients with ischemic stroke or pulmonary embolism -- conditions caused when important blood vessels are blocked by a clot that has traveled from another part of the body.

Suicide is the 10th leading cause of death in the United States – greater even than traffic crashes. A professor of epidemiology says the problem is bigger and proposes a way to address it.

Juries in criminal cases typically decide if someone is guilty, then a judge determines a suitable level of punishment. New research confirms that these two separate assessments of guilt and punishment -- though related -- are calculated in different parts of the brain. In fact, researchers have…

More evidence of a link between the brain's stress response and a protein related to Alzheimer's disease has been uncovered by a team of researchers. The research, conducted on a mouse model and in human cells, found that a stress-coping hormone released by the brain boosts the production of…

A new natural defense against HIV infection has been discovered by researchers. The team's discovery focuses on ERManI, a protein that prevents the HIV virus from replicating.

A new study of twins suggests that insomnia in adults is partially explained by genetic factors, and this heritability is higher in females than in males. According to the authors, this is the first study to examine the genetic and environmental influences on insomnia symptoms in adults in a…

Groundbreaking research suggests that adolescents have become less likely to approve of and use marijuana over the last decade when compared to young adults. This is coming during a time where a majority of Americans support the full legalization of marijuana, according to a 2013 poll.

Having family or friends involved in crime was the best predictor of whether a youth offender would become a long-term marijuana user or heavy drinker, a new study has found.

A pioneering ultrasonic device can significantly improve the cleaning of medical instruments and reduce contamination and risk of infection, researchers have demonstrated. StarStream makes water more efficient for cleaning by creating tiny bubbles which automatically scrub surfaces. The device…

Until quite recently, society has accepted the definition of a 'trans' person to be most closely associated with gender identity. This has been most notably encapsulated in the media by the extensive coverage of Caitlyn Jenner's gender transition. The interest in the Rachel Dolezal case (the…

Life begins with an egg and a sperm: that much is clear. But how do these 'germ cells' form, and how do they pass genetic traits from one generation to the next? Researchers have created a lab-based human germ cell development model that should shed light on these basic questions.

The incidence of the most common strain of Methicillin-resistant Staphylococcus aureus (MRSA) infections has decreased in hospital-onset cases, but has failed to decline in the broader community, according to new research.

A new study based on longitudinal data confirms a college degree provides an advantage in lifetimes earnings, but a related decision once students make it to college could prove to be even more crucial as STEM majors earn roughly $700,000 more over 40 years than social science or humanities majors.

Physicians currently have no tools to help them detect which breast cancer patients will suffer metastasis to the bone, a process that occurs in 15-20 percent of cases. A new study has uncovered a gene that allows breast cancer cells to invade bones and create new tumors, or to metastasize.

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