The answer could be Sleep deprivation because they would loose a lot of sleep thinking about the lose
The answer is D. The presence of oncogenes
Oncogenes is a gene that has potential to cause Cancer. Once it appear on tumor cells, Oncogenes often mutated at a very high level. When the cells critical function altered, they usually undergo a rapid cell death. But once oncogenes activated, those malfunction cells will not undergo rapid cell death, filling our body with malfunctioning cells
A bowel-obstruction or a volvulus occurs when the intestine loops and twists upon itself and the structure that is supporting it. This may lead to vomiting, bloating and blood in stool, and if left untreated may result in a bacterial blood infection that may result in hospitalization and death.