Sentences with phrase «age at exposure»

There are two syndromes experienced by puppies, depending on their age at exposure.

Not exact matches

Arguably, family and friends have a significant impact at a young age of influencing one's exposure to brands, but not necessarily loyalty.

«I would pay the most attention to age 65 to get a general sense of whether that's the amount of equity exposure you're comfortable with at that point,» said Holt.

In an age when technology is driving economic change and innovation at an accelerating pace, investors aren't getting a piece of it; the TSX's exposure to tech is just over 3.5 %.

This may sounds incredibly risky given my 5 year time horizon to retire at the age of 35 then you would be right — but she recommended that I diversify my equity exposure to include more international stocks (which I am doing more research on) and pull back on my bonds.

Some models have been worn thin by premature exposure to children, so that their use at a later age is ineffective; but chiefly we have the problem of vast cultural changes in recent years.

Prenatal exposure to Bisphenol A (BPA), a common chemical used in plastic water bottles and canned food, is associated with measures of obesity in children at age 7, according to researchers from the Columbia Center for Children's...

The reason why people are skeptical about them starting straight away is their age and lack of exposure at this level, and that is sensible.

«At his age now he needs to go and get game exposure.

These are strongly correlated with younger age at onset of fatherhood, exposure to domestic and other violence as a child (including sexual coercion), and no father alive (Quinlivan & Condon, 2005).

Healthcare providers advise measles vaccine at the age of 12 -15 months (in the form of MMR) to prevent measles in children; yet some babies develop active infection after exposure to an infected case.

At least 185,000 youth under age 17 living in Ontario will be recruited to smoking due to their exposure to smoking in onscreen movies.

While I'm very far from a Luddite, one of the reasons that we specifically chose a Waldorf education for our three children was the limitations on technology and media exposure at a young age, which allows them to develop a better sense of «self» so that when they interact with media and technology they are coming from a position of strength and not one of being manipulated by the media / technology.

While I'm very far from a Luddite, one of the reasons that we specifically chose a Waldorf education for our three children was the limitations on technology and media exposure at a young age, which allows them to develop a better sense of «self» so that when they interact with media and technology they are...

Everybody knows exposure to chemicals and skin sensitivity at such a tender age is not good.

At this age, these types of activities are all about fun, failure - free exposure to letter sounds and names.

This is an early exposure to the alphabet, and at this age you can just have fun singing this popular tune.

Exposure to a variety of fruits and vegetables at an early age will also help toddlers develop a taste and love for healthier foods.

Norris et al. (the Denver study) DID — they found that breastfeeding duration was correlated with age at first exposure to rice cereal and oat cereal (longer breastfeeding — > later introduction) but not with cereals with gluten (wheat, barley, rye).

To assess the robustness of the results of our regression analysis, we performed covariate adjustment with derived propensity scores to calculate the absolute risk difference (details are provided in the Supplementary Appendix, available with the full text of this article at NEJM.org).14, 15 To calculate the adjusted absolute risk difference, we used predictive margins and G - computation (i.e., regression - model — based outcome prediction in both exposure settings: planned in - hospital and planned out - of - hospital birth).16, 17 Finally, we conducted post hoc analyses to assess associations between planned out - of - hospital birth and outcomes (cesarean delivery and a composite of perinatal morbidity and mortality), which were stratified according to parity, maternal age, maternal education, and risk level.

At this age, it's more about exposure and familiarity with water.

Researchers at the University Hospitals Case Medical Center in Cleveland found that sleep deprived women's skin ages prematurely, is less able to recover after sun exposure, and more likely to break out due to stress and exhaustion.

Our main exposures were the following: (1) duration of any breastfeeding in months; (2) duration of exclusive breastfeeding in months, defined as feeding breast milk but no solid foods or non — breast milk liquids (except water) to age 6 months; and (3) breastfeeding status at age 6 months, categorized as «formula only, never breast fed,» «formula only, weaned,» «mixed formula and breast milk,» and «breast milk only, no formula.»

Infants can recognize different sounds at a very early age, and exposure to music between birth and age 6 can develop a childs affinity for certain types of music.

At this age, the experiences are all about fun and positive exposure to new skills.

In animal models, exposure to cigarette smoke or nicotine during fetal development alters the expression of the nicotinic acetylcholine receptor in areas of the brainstem important for autonomic function, 28 alters the neuronal excitability of neurons in the nucleus tractus solitarius (a brainstem region important for sensory integration), 29 and alters fetal autonomic activity and medullary neurotransmitter receptors.30 In human infants, there are strong associations between nicotinic acetylcholine receptor and serotonin receptors in the brainstem during development.31 Prenatal exposure to tobacco smoke attenuates recovery from hypoxia in preterm infants, 32 decreases heart rate variability in preterm33 and term34 infants, and abolishes the normal relationship between heart rate and gestational age at birth.33 Moreover, infants of smoking mothers exhibit impaired arousal patterns to trigeminal stimulation in proportion to urinary cotinine levels.35 It is important to note also that prenatal exposure to tobacco smoke alters the normal programming of cardiovascular reflexes such that there is a greater - than - expected increase in blood pressure and heart rate in response to breathing 4 % carbon dioxide or a 60 ° head - up tilt.36 These changes in autonomic function, arousal, and cardiovascular reflexes might all increase an infant's vulnerability to SIDS.

Exposure to SSB [sugar - sweetened beverage] ads decreased over time at all ages, but the decrease was less for black than white children.

Additional analysis indicated that exposure to higher levels of these four allergens at age 3 months was associated with a lower risk of developing asthma.

However, there was no significant evidence of an association between early postnatal life (during the first year of life), recent and current exposures to outdoor air pollutants with lung function at preschool age.

One reason is that it's impossible to tell the difference between age - related damage and damage due to prior noise exposure, says Frank Lin, associate professor of otolaryngology and epidemiology at Johns Hopkins University School of Medicine.

Lung function was measured at the ages of 7, 13, 18, 45, 50 and 53 years old, and participants» exposure to various risk factors was also recorded.

A report from the United Nations Scientific Committee on the Effects of Atomic Radiation found that 6,000 individuals who were under the age of 18 in Ukraine, Belarus or Russia at the time of the disaster had by 2006 contracted thyroid cancer, «a substantial fraction» of whom likely contracted the disease due to radiation exposure.

Not only can these social scientists correctly arrange all 206 bones that make up an adult human skeleton, they can also determine facts about peoples» lives — age at death, sex, stature, nutritional deficiencies, levels of work stress, exposure to infectious disease and traumas — from a careful examination of the bones.

Their work among over 45,000 military recruits revealed that famine exposure in the first pregnancy trimester was associated with a 10 - percent increase in mortality at age 63 years.

The researchers selected 69 as the lower age limit because Medicare coverage of the general population begins at age 65, and the exposure of interest was regular mammography screening in the four years immediately preceding breast cancer diagnosis.

In each case, an answer may lie in the amount of exposure to pathogens at an early age.

«We found a mother's exposure to dogs before the birth of a child is significantly associated with lower risk of eczema by age 2 years, but this protective effect goes down at age 10,» says allergist Edward M. Zoratti, MD, ACAAI member and a study co-author.

At age 4 children with the highest prenatal PBDE exposures had an average IQ four to six points below those who had the lowest levels.

To ascertain the age of the boulders strewn by the glaciers and thus come up with a date when glaciers were at their greatest extent, Willenbring and colleagues used a technique known as cosmogenic nuclide exposure dating, which measures the chemical residue of supernova explosions.

Because a number of trials suggested that vaccination efficiency is higher in people who had some previous exposure to dengue, the researchers considered routine vaccination of children at different ages (2, 9, or 16 years), with and without a one - time catch - up campaign targeting individuals up to age 30 who had missed routine vaccinations.

And we discovered that exposure to specific forms of family adversity when children were two years old predicted their cortisol profile, which in turn was linked with notable differences in children's cognitive functioning at age four.»

The authors recommend that individuals with significant occupational exposure to silica be offered screening beginning at age 50 years if they also have smoked the equivalent of one pack a day for at least 20 pack - years; what experts call 20 pack - years of smoking.

Exposure to ozone during childhood can also impair normal lung growth and development and may contribute to new asthma, which can start at any age.

A new study of 60 million Americans — about 97 % of people age 65 and older in the United States — shows that long - term exposure to airborne fine particulate matter (PM2.5) and ozone increases the risk of premature death, even when that exposure is at levels below the National Ambient Air Quality Standards (NAAQS) currently established by the U.S. Environmental Protection Agency.

«Given the solid epidemiologic evidence supporting a link between cannabis exposure during adolescence and schizophrenia, we investigated whether the use of cannabis during early adolescence (by 16 years of age) is associated with variations in brain maturation as a function of genetic risk for schizophrenia,» said senior author Tomas Paus, MD, PhD, the Anne and Max Tanenbaum Professor and Chair in Population Neuroscience at Baycrest, University of Toronto, and the Dr. John and Consuela Phelan Scholar at Child Mind Institute, New York.

In some instances, at age 18, the effect of long - term exposure to higher air pollution was larger than the effect of gaining 5 percent body weight, meaning air pollution is definitely a risk factor for diabetes, said Tanya Alderete, lead author of the study and a postdoctoral research scholar at the Keck School of Medicine.

Ajmera's first exposure to SSP came at the age of 17, when she was a participant in the Westinghouse Science Talent Search, a competition run by SSP and now known as the Intel Science Talent Search.

The ageing at Trawsfynydd was mainly the result of long - term exposure to neutron radiation.

«Toddlers begin learning rules of reading, writing at very early age, study finds: Exposure to language improves «invented spellings» of children ages 3 - to - 5 years.»

90 per cent of the population are at risk to develop it one day, notably because of their age and exposure to the sun UV - rays.