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A 91�Ʋ��� expert on health policy and economics says that many people who get subsidized private health insurance under the Affordable Care Act in 2014 could face confusing changes in eligibility and cost sharing, and some will be required to pay the government back after the first year of participation.

Understanding how an environmental hazard damages DNA may shed light on processes of tumor formation. Read More

The molecular structure of a protein involved in Alzheimer’s disease – and the surprising discovery that it binds cholesterol – could lead to new therapeutics for the memory-robbing disease. Read More

Paul Newhouse, Jim Turner Professor of Cognitive Disorders, is interviewed about his research showing that nicotine can help boost memory in people with mild cognitive impairment.

91�Ʋ��� researchers have developed a biomarker for beta cells that could make it easier to detect diabetes earlier. Read More

91�Ʋ��� researchers have discovered a rare, but important risk posed by the antibiotic azithromycin, commonly called a “Z-pack.” The study found a 2.5-fold higher risk of death from cardiac arrhythmia in the first five days of taking azithromycin when compared with another common antibiotic or no antibiotics at all.

Enhancing stem cell survival is key to improving cell-based therapies for regenerative medicine, and a new drug could help. Read More

A rare genetic change adds support to the idea that altered dopamine signaling is a key risk factor for ADHD. Read More

The epithelial cells that line the intestines have a newly discovered mechanism for protecting us against microbes: they fire anti-bacterial "bullets" into the gut. Read More

Identification of brain regions involved in processing sights and sounds may offer insights into disorders like autism and dyslexia. Read More

91�Ʋ��� researchers have discovered that the pulvinar, a mysterious structure buried in the center of our brains, determines how we see the world — and whether we see at all.

Understanding how mutations in neuronal receptors contribute to epilepsy could lead to improved therapies. Read More

Children with stomach troubles grow up to be anxious adolescents and young adults, according to a recent study. Read More

Wrist, hand and finger trauma are the most common injuries presenting to emergency departments nationwide, yet only 7 percent of Tennessee hospitals have a hand specialist on call 24/7 to treat these patients, according to a 91�Ʋ��� study published online today in the Annals of Plastic Surgery.

A newer version of an old class of blood pressure lowering drugs may offer advantages for obese patients with metabolic syndrome. Read More

New information may help speed development of a vaccine or treatment for dengue fever. Read More

Removing a child’s ruptured appendix sooner rather than later significantly lowers hospital costs and charges, according to a recently published study.

An experimental melanoma drug may be beneficial for patients not eligible for targeted therapies. Read More

Antioxidants may be a beneficial treatment for an inherited genetic disorder. Read More

91�Ʋ��� pediatric infectious disease researchers studying antibiotic-resistant staph say fears that mothers carrying the germ may set their newborns up for infection are unfounded.