Isopropyl alcohol 70% is used as an ingredient in alcohol swabs and alcohol wipes for wound cleaning, it is found in hand sanitizers, and in ear drops to prevent swimmer's ear.
Sam Cooke's death being a perfect example. Cooke's demise in the wee hours of Dec. 11th. 1964 (at the hands of terrified motel manager, Bertha Franklin, who was armed with a .22 handgun and a broom stick) has sparked the imagination of conspiracy theorists.
On May 20th 1960, Sam Cooke was the headliner at a concert at the Tivoli Theater in Chicago, IL. At the time his Wonderful World was at #29 on Billboard's Hot Top 100 chart; five weeks later it would peak at #12 {for 2 weeks} and it stayed on the chart for 15 weeks...