The fifth National Climate Assessment says mosquitoes and ticks are spreading because of milder winters. Mosquitoes, which can carry West Nile virus and dengue fever, are moving into northern Wyoming and southern Nevada. 

University of Arizona Cancer Center

A look inside the UArizona Cancer Center, which is currently taking part in more than 200 clinical trials. 

Geoffrey Block and the College of Medicine – Tucson give a much-needed lift to the holiday season.

The Arizona Poison and Drug Information Center at the R. Ken Coit College of Pharmacy reports that severe reactions to scorpion stings are uncommon, and deaths are even rarer.

A new swallowable electronic capsule about the size of a multivitamin could help diagnose sleep apnea and other sleep disorders. 

Blood tests that can detect amyloid plaque and tau, the proteins involved in dementia, will soon be available. Right now, the only way to diagnose Alzheimer's is with a PET scan, a lumbar puncture or an autopsy. 

As winter closes in and brings with it shorter days, even the residents of sunny southern Arizona can suffer from seasonal affective disorder. 

Esther Sternberg, MD, professor of medicine and director of research in the Andrew Weil Center for Integrative Medicine at the College of Medicine – Tucson, writes about counting your blessings after waking up and before going to bed.