The short one-time exposure makes it particularly difficult to relate a negative result to "real world" exposure, which most commonly is prolonged and repetitive.
Disuse osteoporosis, which occurs commonly in prolonged bed rest and immobilization, is becoming a major problem in modern societies; however, the molecular mechanisms underlying unloading-driven bone loss have not been fully elucidated.
The majority of high-dose BZD-dependent individuals indicated that BZD withdrawal symptoms were severe and presented a wide variety of clinical symptoms, found the duration of these symptoms difficult to anticipate, and commonly experienced prolonged post-withdrawal symptoms, as well (withdrawal is difficult and unpredictable, with lots of complications).
However, in contemporary Western societies the vasculature is commonly exposed to prolonged postprandial hyperlipidemia.
These diabetic rats lack the obesity and prolonged hyperinsulinemia commonly associated with type 2 diabetes, but permit the evaluation of elevated blood glucose in the presence of high fat diet-induced insulin resistance.
In this model, acute infection may be clinical or subclinical followed by a prolonged and commonly lifelong period of continuous viral replication as seen in all cases of HIV infection, most cases of hepatitis C virus (HCV) infection, and less commonly in adult-acquired HBV infection.
Antioxidant in form of hindered phenol structure is commonly used to prolong the service life of polymer, while the low molecule antioxidant has defect for its low thermal stability and physical loss.
In wireless communications, sleep mode is commonly used to prolong the battery life time of mobile devices; when there is no data to transmit or receive, a mobile device can switch to sleep mode periodically.
Therefore, chemical and natural preservatives were commonly used to prolong the shelf time of traditional cereal products.
Previous studies have already pointed to a link between tamoxifen, which is commonly used to prolong life in women who with advanced breast cancer, and tumors in the womb.
Though experts are still trying to figure out exactly why, it's commonly understood that sitting for prolonged periods comes with a host of negative health effects.
