Having food has a positive impact on an organism 's health.
If the food distribution is stopped, tens of thousands face starvation.
Starvation has a negative impact on an orgnaism's health.
An organism's health with be negatively impacted by:

a) smallpox
b) cancer
c) food deserts
d) starvation
e) hyperthyroidism
f) reproduction
g) nutrients
h) competition