Scottsdale, Arizona - Hormone changes are a natural part of aging. Unlike the more dramatic reproductive hormone plunge that occurs in women during menopause, however, sex hormone changes in men occur gradually. Here's what to expect, and what you can do about it.

Jacksonville, Florida - Researchers on Mayo Clinic’s Florida campus have shut down one of the most common and lethal forms of lung cancer by combining the rheumatoid arthritis drug auranofin with an experimental targeted agent.

Sacramento, California - California Department of Public Health (CDPH) Director and State Public Health Officer Dr. Karen Smith today warned the public about the danger of consuming illegally manufactured Mexican-style soft cheeses, often sold by street vendors.

Washington, DC - A little over three years ago, NIST scientist Katy Keenan came back from a conference with an ambitious idea: to improve the quality of magnetic resonance imaging (MRI) for breast-cancer screening by creating a breast-tissue mimic, or “phantom,” that would allow users to test the accuracy of their imaging systems against a NIST-traceable standard. This month, the first commercial breast phantoms are being shipped to buyers here and abroad.

Washington, DC - In response to a request from the Centers for Disease Control and Prevention, the U.S. Food and Drug Administration (FDA) yesterday issued an Emergency Use Authorization (EUA) for the Trioplex Real-time RT-PCR Assay, a diagnostic tool for Zika virus that will be distributed to qualified laboratories. The assay allows doctors to tell if an individual is currently infected with chikungunya, dengue, or Zika using one test, instead of having to perform three separate tests to determine which infection one might have.

Dallas, Texas - Traditional Chinese exercises such as Tai Chi may improve the health and well-being of those living with heart disease, high blood pressure or stroke, according to new research published in the Journal of the American Heart Association.