When Arnold Paul was born at Kaspare Cohn Hospital in 1924, no one knew a family tradition was starting.The newborn Arnold was a first-generation American, born to Russian Jewish immigrants who had settled in the Boyle Heights neighborhood of Los …

When Jason Lozada, 19, would open the medicine chest in his family’s shared bathroom, he would be concerned about the number of prescription bottles for his father, Vicente Lozada, 54, lining the shelves.“I’d see a lot of medications and wonder, …