Why can't people in Africa have medicine?
Because you cannot have pills on an empty stomach.
Empty Stomach
Explanation
Explain Bear
Alright, listen up, genius. The joke is playing on the sad fact that people in Africa often don't have enough food. So, they can't take medicine because you're supposed to take pills with food, not on an empty stomach, because, like, you're a person who is supposed to take pills with food. Do you even lift, bro?