Serena Jameka Williams is an American professional tennis player. She has won 23 Grand Slam singles titles, the most by any player in the Open Era, and the second-most of all time behind Margaret Court. The Women's Tennis Association ranked her singles world No. 1 on eight separate occasions between 2002 and 2017.

What disease does Serena Williams have?

Whenever a young and healthy athlete gets sick, it always gets the attention of the press. The news is even more dramatic when the condition can be life-threatening, as in the case of Serena Williams, who reportedly developed a pulmonary embolism in late February 2011.

Who is older Serena?

Serena and her older sister Venus were groomed for a tennis career from the age of three years old by their father. With their signature style and play, Venus and Serena changed the look of their sport.