Archive for February 2010
Dietary Fiber
Dietary fiber is actually becoming increasingly fashionable as their properties and benefits are not limited to helping us better go to the bathroom.
What is fiber?
Dietary fiber is located within the family of carbohydrates and gain through food. A curious about other nutrients (in addition to their property or profits) is that it does not add calories.
Types of dietary fiber
There are two classes or types of dietary fiber:
* Insoluble Fiber. Among the foods rich in insoluble fiber include fruits, vegetables, legumes and whole grains. The cellulose, hemicellulose, lignin and resistant starch are insoluble dietary fiber. Read the rest of this entry »
Preventive treatment, an alternative to prevent HIV
The human immunodeficiency virus (HIV) continues to spread around the world, mainly through sex. Despite advances in treatment, preventing infection is still the great challenge ahead. In the absence of an effective vaccine and after the repeated failures of vaginal microbicide gels, pre-exposure prophylaxis (PrEP), the taking of drugs before being exposed to the virus, is considered one of the most promising strategies for achieving this goal . A new study in monkeys showed that intermittent therapy before contacting HIV is effective.
The researchers, from the CDC (Centers for Disease Control and Prevention, USA), exposed the macaques to simian immunodeficiency virus (SHIV) modified to be as identical as possible to HIV. In different groups were given different doses of antiretroviral drugs and at different times to see what combination offered the best protection. Read the rest of this entry »