The pressure in the toilet is created by using the water pressure provided by the water company â no pumps or other devices are used. Pressure-assisted toilets are more expensive than gravity toilets, but they do a better job of removing waste from the bowl with less water. The first generation were very noisy and some were not very reliable, but most of these hurdles have been overcome.
Typically, a healthy eye has an eye pressure of between 10 and 21 mm of mercury. On a daily basis this can increase or decrease due to exercise, stress, fluid consumption and even caffeine. If eye pressure is consistently over 21, then you may have ocular hypertension.
How Stress Affects Blood Pressure. This physical reaction to stress is what causes an increase in blood pressure. However, this reaction is only temporary and will end once the stress goes away.