Hormone replacement therapy: What doctors want women to know

CDC warns about 'rhino tranq,' a mix of fentanyl and animal sedative that resists overdose reversal

Fentanyl alone is dangerous enough, but now comes a warning about "rhino tranq," which is fentanyl laced with the animal sedative medetomidine, making it even more lethal. Adding to the danger, it doesn't respond to overdose reversal medications.

Flea-borne typhus surges across LA County with 90% of cases requiring hospitalization

Los Angeles County is experiencing a record number of flea-borne typhus cases, and nearly 90% of patients have had to be hospitalized.

Undiagnosed sleep disorders cause millions of Americans to struggle for years

Undiagnosed sleep disorders are causing millions of Americans to struggle for years. A nonprofit is dedicated to spreading awareness and connecting Americans to proper resources.

Orange County couple with dual cancer battles chooses life with their kids while facing death

A Mission Viejo couple with three young children face a daily dire crisis -- they're both diagnosed with cancer. They say facing looming mortality has taught them how to live life more fully.