By Ashley Sava The caregivers of those with memory loss often experience depression, anxiety and high stress. Providing round-the-clock care can take a toll on loved ones. Roberto Sierra of Kyle knows that stress first-hand. His wife of more than 20 years, Lynda Sierra, passed away in 2014 after bat...

by Kim Hilsenbeck Editor's note: This story originally ran in February 2013. Lynda Sierra passed away Nov. 4, 2014 following a five-year battle with Alzheimer's.   Lynda and Roberto Sierra of Kyle have spent 23 years together, happily married for nearly 20. But Lynda Sierra, 66, now has trouble reme...