Tag: "spikes" at medical news
Late Nights may Make Preteens Antisocial and Aggressive
...pects of learning and memory. Cortisol normally spikes
in the morning and falls to a plateau by afternoon and evening. Readings taken in the morning and afternoon usually show a significant drop, and scientists associate small differences in the readings with clinical depression and antisocial behaviour....
Experts Identify Vaccine Target for HIV
...nfected with HIV, the amount of virus in the blood spikes
as the virus multiplies. After this peak, the amount of virus in the blood, known as the viral load, gradually decreases and then levels off, a period during which patients do not exhibit symptoms of their disease. The viral load during this levellin...
Risk of Diabetes is Reduced by Intake of Grain Fiber and Magnesium
...ents absorbed by the body and reducing blood sugar spikes
after eating, among other mechanisms. Current American Diabetes Association guidelines include goals for total fiber intake, but research suggests that some types of fiber may be more beneficial than others. Findings regarding magnesium and diabetes ...
Sunscreen Covering Earth Becoming Thinner
...The data used by the study show large, short-lived spikes
in global aerosols caused by volcanic eruptions in 1982 and 1991, but a gradual decline since about 1990. By 2005, global aerosols had dropped as much as 20% from the stable level between 1986 and 1991. GPL...
Measuring the Quantity of Information Passed on From the Eye to the Brain
...retina from a guinea pig, the researchers recorded spikes
of electrical impulses from ganglion cells using a...object-motion stimulus. After recording electrical spikes
on an array of electrodes, the researchers classified each cell into one of two broad classes: "bris...
Effect of ADHD Drugs on the Brain - Study Finds
...igh doses. High-dose stimulants can cause dramatic spikes
in neurotransmitter levels in the brain, which can in turn impair attention and heighten the risk of developing addiction. 'It is surprising that no one was looking at low-dose [ADHD] drugs because we know that the drugs are most effective only at...
Brain Septum Could Help In reducing Epileptic Seizures
...g rates in relation to the controls, from about 14 spikes
per second to about 29 spikes
per second. Two promising lines of research Colom and his fellow researchers at the University o...
Three-Dimensional Image Of AIDS Virus – BY FSU Researcher
...onal image of the AIDS virus, with lots of protein spikes
on its surface, which aids in fusing// with human ... the super-sized images of the virus and its viral spikes
have given researchers their first good look at the pathogen's complex molecular surface architectur...
3-D structure of HIV identified
...cone shaped outer coat of the HIV virus and it has spikes
over the surface // which makes the virus attach to the membrane of the host through the attachment it inserts the viral genetic material into the host cell leading to replication and infection. Researchers studied the 3D structure of the virus an...
High Levels Of Noise In Work Place Found To Increase Blood Pressure
...s noise (found to be between 46-124 decibels), and spikes
in instantaneous loud noises (113-145 decibels). A different approach that required the study participants to simultaneously record the noise levels and their blood pressure throughout the day by an externally fitted monitor was used. The frequency...
Scientists Unveil Mechanism Behind Resistance to Severe Malaria
...ll’s surface to their advantage. For example, when spikes
of PfEMP-1 are distributed evenly over the surface of an infected AA red blood cell, they act like grappling hooks, allowing the parasitized cells to stick in tiny capillaries and avoid being cleared from the bloodstream. When parasite-infected red b...
The Harmful Effects Of Stress in Young Adults
...g adults who react to // psychological stress with spikes
in blood pressure are more likely to have high blood pressure when they are in their 40s. Specialists say assessing blood pressure changes in response to stress may be a useful tool for determining a person’s future risk of high blood pressure. In a...
Skip Breakfast, Get Fat
...The difference may have something to do with fewer spikes
in blood sugar levels among the frequent eaters. Insulin levels go up when blood sugar rises, contributing to hunger and the buildup of fat. Similar factors may be at work among those who frequently eat breakfast or dinner away from home. The study f...
Changes in cabin pressure pose risks for moms-to-be
...le than those experienced when flying. Experts say spikes
in birth rates that may sometimes appear after major weather events are more likely the result of stress or other factors than they are the result of air pressure changes....