Final answer:
A severe cough can lead to syncope, which is the temporary loss of consciousness, as a result of decreased blood flow to the brain.
Step-by-step explanation:
A severe cough can lead to syncope, which is the temporary loss of consciousness, as a result of decreased blood flow to the brain. When a person coughs forcefully and repeatedly, it can cause a sudden drop in blood pressure and a decrease in oxygen supply to the brain, leading to syncope. This is known as cough syncope. It is more common in individuals with underlying health conditions such as heart problems or low blood pressure.