Wednesday, July 30, 2008
Fetal alcohol syndrome is a confusion of permanent birth defects that happens in the offspring of women who drink alcohol during pregnancy. It is unidentified whether amount, frequency or timing of alcohol using up during pregnancy causes a difference in degree of harm done to the fetus. Thus, the current recommendation is not to drink at all in pregnancy. Alcohol crosses the placental barrier and can feat fetal growth or weight, create characteristic facial stigmata, damage neurons and brain structures, and cause other physical, mental, or behavioral problems.
The major effect of Fetal alcohol syndrome is lasting central nervous system damage, especially to the brain. Developing brain cells and structures are immature or malformed by prenatal alcohol exposure, often creating an array of primary cognitive and functional disabilities as well as secondary disabilities. The hazard of brain damage exists in each trimester, since the fetal brain develops throughout the entire pregnancy.
Monday, July 21, 2008
Injure to the bone marrow, by way of displacing the standard bone marrow cells with higher numbers of immature white blood cells, results in a lack of blood platelets, which are main in the blood clotting process. This means people with leukemia may become aching, bleed excessively, or develop pinprick bleeds.
White blood cells, which are concerned in fighting pathogens, may be concealed or dysfunctional. This could cause the patient's immune system to be unable to fight off a simple infection or to start attacking additional body cells.
Finally, the red blood cell deficiency leads to anemia, which may cause dyspnea. All symptoms can be aspect to other diseases.
Some other related symptoms:
Thursday, July 17, 2008
Maintaining hydration during terms of physical effort is key to good performance. While drinking too much water through activities can lead to physical uneasiness, dehydration in excess of 2% of body mass (by weight) markedly hinder athletic performance. It is optional that an athlete drink about 400-600 mL 2-3 hours before activity, through exercise he or she should drink 150-350mL every 15 to 20 minutes and after implement that he or she replace sweat loss by drinking 450-675 mL for every 0.5 kg body weight loss during activity. Some studies have shown that an athlete that drinks before they feel thirsty stays cooler and performs better than one who drinks on thirst cues, although recent studies of such races as the Boston Marathon have indicated that this recommendation can lead to the problem of over hydration. Additional carbohydrates and protein before, during, and after exercise augment time to exhaustion as well as speed recovery. Dosage is based on work achieved, lean body mass, and environmental factors, especially ambient temperature and humidity.
