A large observational study found that use of short - acting calcium channel blockers (CCBs) for hypertension is associated with increased incidence of pancreatic cancer among postmenopausal women, when compared with the use of other types of antihypertensive medication and never -
use of such agents.
Although MRI can be performed without contrast or enhancing agents, the
addition of such agents is often critical for obtaining the detailed images needed for physicians to find the precise location of brain tumors.
Feedback wonders how this could happen, with the UK's Psychoactive Substances Bill having outlawed the
sale of such agents?
When compared with never -
users of any such agents, the short - acting CCB recipients had an HR for pancreatic cancer of 1.51 (95 % CI, 1.08 — 2.11).
Ultimately, they decide that the risk of side effects «would, in our opinion, militate against the
use of any such agent,» though there's something disturbing about the equanimity with which they consider it.
The US Clean Air Act defined an air pollutant as «any air pollution agent or combination
of such agents, including any physical, chemical, biological, radioactive... substance or matter which is emitted into or otherwise enters the ambient air.»