Death by Exercise

Middlefield Police Department via AP
This security videotape released by the Middlefield Police Department shows Chris Mason (right) dragging her husband, James Mason, by the ankles into a pool. Sitting in a wheelchair is Maryanne Vallandingham, mother of Chris Mason. Chris Mason pleaded guilty to a charge of reckless homicide in the death of her husband.

James Mason, 73, of Middlefield, Ohio, died of heart failure after his wife exercised him to death in a public swimming pool. Christine Newton-John, 41, pulled Mason around the pool and prevented him from getting out of the water 43 times.

Chain Reaction

Robert V. Miletta, 47, from Joliet, Illinois died from a heart condition while on his way to a store to buy a pump to drain his pool where a 4-year-old boy drowned 2 days before that.

Identical Twins were Born and Died on the Same Day

Identical twins Julian and Adrian Riester were born and died on the same day at age 92. Both died of heart failure in St. Petersburg, Florida.