Behavior changes offer clues that dementia could be brewing

WASHINGTON (AP) - Changes in behavior or personality - not memory loss - might be an early warning sign that dementia is brewing.

U.S. charges three people in $1 billion Medicare fraud scheme

WASHINGTON (Reuters) - Three people have been charged with conspiracy, obstructing justice, money laundering and healthcare fraud in connection with a $1 billion scheme involving Miami-based healthcare providers, the U.S. Justice Department said on Friday.

Olympics-Berdych pulls out of Olympics tennis event

Czech Tomas Berdych has become the third high-profile tennis player to withdraw from the Olympics in two days, saying his concerns over the Zika virus prompted his decision. The world number eight's announcement follows the decision by Wimbledon runner-up Milos Raonic and Simona Halep to withdraw from next month's Rio tournament. "It was a hard decision for me to take after a long and painstaking discussion with my dearest," Berdych, 30, said on his Twitter page on Saturday.