Tag: "peak" at medical news
Aging brain reduces ovulation
...se receptors are crucial for the occurrence of the peak
in LH release. Older brains seem to be less sensitive to oestrogen. As a result of this, the LH peak
attenuates and the fertility decreases....
Sticks and stones will break your bones; so will a lack of calcium
...or in 1969-1971, citing poor calcium intake during peak
bone growth periods, change in physical activity or both as the contributing factor (1). Additionally, according to the Journal of the American Dietetic Association, adolescent boys who consumed three servings of milk a day had increases in bone den...
Study: growth hormone-deficient young adults need larger replacement doses than older adults
...deficient children with hormone doses that reach a peak
in late adolescence when the naturally secreted compound reaches its maximum in healthy children, he said. As patients age into adulthood, clinicians often stop treatment to determine whether there is a continued need. If so, treatment is restarted a...
Scientists map maturation of the human brain
...er of neuronal connections, or synapses, reaches a peak
during young adulthood (approximately ages 18 to 2... on 5 or more occasions). Binge and heavy drinking peak
at age 21 with 45.2 percent reporting binging, and 16.7 percent reporting heavy drinking. While it h...
For smokers, air pollution is a drag on the heart
...doors, or refrain from strenuous activities during peak
air pollution periods. Doctors could even conside...ght exist between heart attacks people have during peak
air pollution times versus cleaner air days....
Emory scientists find marker for long-term immunity
... with mice, the Emory scientists found that at the peak
of theCD8 T cell immune response during an acute viral infection a small subset ofeffector cells had a higher expression of the IL-7 receptor, and theyhypothesized that these cells would be the ones to survive as memory cells.They transferred a group...
American Thoracic Society Journal news tips for December 2003 (first issue)
...xpiratory flow in one second and morning/nighttime peak
expiratory flows, the control of asthma score, plus daytime and nighttime symptoms, there was significant improvement after treatment with oral corticosteorids in the never-smokers, but no change in the values for current smokers. The investigators ...
Echinacea not effective in treating colds in children
...significant differences between the two groups for peak
severity of symptoms, number of days of peak
symptoms (1.60 in the echinacea group and 1.64 in the placebo group), number of days of fever (0.81 ...
SARS outbreak in Beijing spread rapidly, was controlled fairly quickly
...t of the last case occurred only 6 weeks after the peak
of the outbreak. Xinghuo Pang, M.D., of the Beijing Center for Disease Prevention and Control, and colleagues evaluated the measures taken to rapidly control the SARS outbreak in Beijing and assess the effectiveness of some of these measures. The r...
UT Southwestern researchers discover first effective treatment for exercise disorder
...ts who drank the diet-drink placebo reached a mean peak
heart rate of 156 beats per minute and an excessive level of perceived exertion during the seventh minute of exercise, then achieved a spontaneous second wind and a drop in heart rate by 35 beats per minute. The second wind phenomenon is a hallmark o...
Midlife brain crisis spawns late-life Alzheimer's
...ggers a destructive domino affect. Our time at the peak
is short indeed," Bartzokis said. "The challenge f...edicine is to figure out how to extend the brain's peak
performance so that our minds function as long as our bodies." The journal also published six commen...
Even moderate amounts of exercise can prevent weight gain
...tely 20 miles per week at 65 percent to 80 percent peak
oxygen consumption); low amount/vigorous intensity...es of jogging per week at 65 percent to 80 percent peak
oxygen consumption); or low amount/moderate intensity exercise (equivalent to 12 miles of walking pe...
Teenage girls lacking in vitamin D
... is being deposited. If you think about life span, peak
bone mass occurs at about the age of 30. This is such an important time when girls are growing their bones." Sullivan's results were presented in 2003 at the Annual Meeting of the American Society for Bone and Mineral Research. Almost half of the ...
Low testosterone levels associated with depression in older men
...percent of men older than 55. Testosterone levels peak
in early adulthood, and then decrease by approximately 1 percent per year after age 40. Symptoms of hypogonadism include decreased muscle mass and strength, decreased bone mineral density, diminished appetite, decreased libido, fatigue and irritabil...
Trouble sleeping in the hospital? Maybe it's that jackhammer
...the hospital after surgery found surprisingly high peak
noise levels, rivaling those produced by a jackham...re recorded again after the interventions, and the peak
at shift change was reduced to 86 decibels, a reduction of more than 80 percent. (A 10-decibel reduc...
Link between sleep, cancer progression explored by Stanford researcher
... a hormone called cortisol, which normally reaches peak
levels at dawn then declines throughout the day. C...er whose normal cortisol cycle is disrupted - with peak
levels in the afternoon rather than at dawn - die earlier from the disease. Those women whose cortis...
American Thoracic Society Journal news tips for February 2004 (second issue)
...rs checked the sensitivities and specificities for peak
flow measurements, spirometry, and changes in certain airway parameters after a trial use of steroid. These results were compared with exhaled nitric oxide measurements and sputum cell counts. The authors said that the sensitivities for each of con...
Vaccine development against influenza A (h5n1) virus 'should be made a priority'
...ote that the size of the outbreak, coinciding with peak
activity of human influenza virus, reinforces the message that emergence of new pandemic influenza viruses might arise via the mixing of genes from avian and human viruses. Marion Koopmans comments: We noted an unexpectedly high number of transmis...
Int'l surveillance system suggests 2002 gastroenteritis outbreaks from new variant norovirus
... new variant preceded an unusual spring and summer peak
of outbreaks in three countries (Germany, Netherlands, and Finland). Dr Lopman comments: "Our combined data from ten European countries shows that the striking increase and unusual seasonal pattern of norovirus gastroenteritis in 2002 arose concur...
Screening removes West Nile from bood supply
...n that parallels the disease geographically. "The peak
numbers occurred in late August to early September. Where we are seeing greater numbers of persons with West Nile disease we are finding more infected donors."...
1 2 3 4 5 6 7