It's been said, but, personally, I think it's not necessarily true. I suppose someone would think that because death goes hand in hand with loss, and it's through loss which others typically feel suffering. In the case of a homicide, guilt could also play into it. And death is often a consequence for many things it shouldn't be.
loss of food and light.... According to the Buddah, the "root of all suffering is ATTACHMENT"
Human desire causes this suffering.
The root cause of suffering is often attributed to attachment and desire, as well as the impermanent nature of life.
Buddha developed the teachings and process of allowing humans to escape suffering and the cycle of death and rebirth that were later called Buddhism.
All of them.
Cure. Only humans can improve the world, but there was much suffering even before humanity existed.
Yes. Because there is no suffering after death.
The suffering and death of Jesus is normally referred to as "The Passion."
the suffering, death, resurrection and ascension of Jesus is called
yes.
euthanasia is expensive and in some countries is illegal even to be used on humans. Because it is taking life and this by some can be considered murder. Natural death means that no one is responsible for the killing but can be done with little suffering using medicine.
The root word for Pathology is "pathos," which means "suffering" or "disease" in Greek.