Most studies show the amount of caffeine in two American cups of coffee (about 8 ounces each) can raise your systolic blood pressure 3 to 14 mm Hg and diastolic blood pressure 4 to 13 mm Hg, at least in the short term. One study does show much lower numbers, but an increase is associated nonetheless.
Low levels of formaldehyde in indoor air are actually very common. When found at high levels in air, it can be detected by a sharp smell. High concentrations of formaldehyde can cause irritation of the eyes, nose and throat and can worsen asthma symptoms in children and infants.ll houses had at least some formaldehyde in indoor air. On average, formaldehyde levels measured over a day in Canadian homes were 20-40 Î¼g/m 3 (16-32.5 ppb). Daily levels as high as 95 Î¼g/m 3 (77 ppb), however, have been recorded.
The United States Environmental Protection Agency (EPA) allows no more than 0.016 ppm formaldehyde in the air in new buildings constructed for that agency. A U.S. Environmental Protection Agency study found a new home measured 0.076 ppm when brand new and 0.045 ppm after 30 days.ormaldehyde is a naturally-occurring organic compound with the formula CH 2 O. It is the simplest aldehyde and is also known by its systematic name methanal.