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In page Johnny Weissmuller:

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In 1974, Weissmuller broke both his hip and leg, marking the beginning of years of declining health. While hospitalized he learned that in spite of his strength and lifelong daily regimen of swimming and exercise, he had a serious heart condition. In 1977, Weissmuller suffered a series of strokes. In 1979, he entered the Motion Picture & Television Country House and Hospital in Woodland Hills, California for several weeks before moving with his last wife, Maria, to Acapulco, Mexico, the location of his last Tarzan movie.[1]