New blood pressure guidelines suggest many Americans should aim for much lower blood pressure levels. But Consumer Reports explains what that means for you. New blood pressure guidelines suggest many Americans should aim for much lower blood pressure levels.
Most other reports of long-term survival of total starvation, however, have been poorly substantiated. [Editor's Note: Reports of the 1981 hunger strike by political prisoners against the British presence in Northeast Ireland indicate that 10 individuals died after periods of between 46 and 73 days without food.]
Quick Answer. An elderly person can live approximately three weeks without food, according to Dina Spector for Business Insider. However, there are additional factors to consider when determining how long a person can survive without food. These factors include age, weight and hydration levels.