Sentences with phrase «explained age changes»

Not exact matches

The fall in the number of births to immigrant women is explained by behavior (falling birth rates), rather than population composition (change in the number of women of childbearing age), according to a Pew Research analysis.

In this crazy age of ever - changing information coming at us constantly, I so rely on The Keto Diet podcast and Leanne's videos to shed light, explain, and generally keep me from losing my marbles!

One thing I can think of that might explain why Im having trouble during the day and just wonder what people think; she sleeps in her moses basket but during the night she is in the room with us and during the day in her nursery on her own - I realise this might be why Im finding it difficult due to inconsistency but Im so scared to change things cus we are actually getting sleep for the first time in ages!

In new work published online September 14 in Nature Communications, they are the first to show that the speed at which the epigenome changes with age is associated with lifespan across species and that calorie restriction slows this process of change, potentially explaining its effects on longevity.

The findings show that rate changes were not explained by shifts in the population age, community size or income structures.

Malaspina's team was the first to show in a 2001 paper that the most important source of these rare, sporadic changes was the paternal germline (father's sperm), with advanced paternal age explaining over a quarter of the population risk for schizophrenia in an Israeli cohort.

«We can explain a lot of the disagreement in the C. elegans aging field by realizing that FuDR can dramatically change the answer,» Hart said.

However, if the older adult has given large sums of money to those in need throughout his or her adult lifetime, then the $ 10,000 gift in old age may not represent a change in behavior, and thus may not represent AAFV,» explains Duke Han, PhD, co-author of the study and associate professor of behavioral sciences at Rush University Medical Center.

The fact that an animal's need for these minerals changes with the seasons, with age and with overall health may explain why geophagia is especially common when an animal's diet does not provide enough minerals or when the challenges of the environment demand extra energy.

Older adults experienced the greatest decreases in biological age, and men experienced greater declines in biological age than females; these differences were partially explained by changes in smoking, obesity, and medication use, Crimmins and Levine explained.

A number of theories have been developed over the years to explain more recent extinctions such as those at the end of the last ice age, including human hunting, climate change, disease, and even a cosmic impact such as an asteroid or comet.

«The changes induced by Lsd1 ablation have secondary effects on body weight gain and glucose tolerance with aging,» explains Prof. Schuele.

In a recent article in Climatic Change, D.G. Martinson and W.C. Pitman III discuss a new hypothesis explaining how the climate could change abruptly between ice ages and inter-glacial (warm) peChange, D.G. Martinson and W.C. Pitman III discuss a new hypothesis explaining how the climate could change abruptly between ice ages and inter-glacial (warm) pechange abruptly between ice ages and inter-glacial (warm) periods.

He explained that aging manifestations in a given tissue are not linear with time and that changes that occur in a brain between age 30 and 50 differ both quantitatively and qualitatively with the ones that occur between age 70 and 90.

«The impact of astronomical cycles on climate can be quite large,» explains Meyers, noting as an example the pacing of the Earth's ice ages, which have been reliably matched to periodic changes in the shape of Earth's orbit, and the tilt of our planet on its axis.

October 20, 1997 Connections in brain provide clues to learning Two University of Chicago researchers have determined for the first time how parts of the brain change at various ages, explaining why music is easier to learn in childhood, why foreign languages are more difficult to learn after age 12, and why some subjects, such as calculus, are better taught when children are older.

When asked how the recent findings relate to the other research in which his lab is engaged, Dr. Apte explained, «My laboratory has a strong interest in understanding the programmatic changes that occur with aging and lead to immunosenescence [age - related deterioration of the immune system] and neurodegeneration.

The glaciation was favored by an interval when the Earth's orbit favored cool summers but Oxygen isotope ratio cycle marker changes were too large to be explained by Antarctic ice - sheet growth alone indicating an ice age of some size.

Some evidence suggests that maternal stress, obesity, pesticides, and advanced parental age may increase the risk of ASDs but Dr Baxter said that better recognition of the disorders and changed diagnostic criteria were more likely to explain different study findings over time.

Any part of the body that gets too big and then shrinks will leave loose skin in its wake», explains Zane in his article for Muscle & Fitness, adding that inevitable age - related skin changes worsen the problem even further.

These changes explain why so many women begin to experience slow metabolism and fat - loss resistance after age forty.

Our findings indicate that ApoE4 genotype - induced mitochondrial changes and associated structural damage may explain age - dependent pathology seen in AD, indicating potential for novel treatment strategies in the near future.

As this dating expert explains, there are also men, though, who aren't going through a life change or don't want children and will date people closer to their age.

That is, it can't explain the changes over time, nor can it explain the changes by age group.

Below is a list of common findings that are often explained away as changes related to «old age».

Pet expert Amy Shojai explains: • How to entice your older dog into getting more exercise • What changes to expect as your dog ages — and which changes are natural and which are warning signs that should send you to the veterinarian • Which pet - specific over-the-counter dog medications every owner should keep on hand • How to use the L.O.V.E. Program to keep your dog loving longer and living better • Tips on everything from choosing the right products and dog foods for your aging dog • How to offer old dogs nursing care at home for common old dog conditions • Information about dog symptoms and canine treatments for dog cancer, kidney failure in dogs, dog hypothyroidism, dog diabetes, blind dogs, deaf dogs, dog stroke, doggy diarrhea, canine constipation, urine incontinence, old dogs not eating, and more.

COMPLETE CARE FOR YOUR AGING DOG explains how old do dogs live, how old is a «senior dog,» and old dogs health and behavior changes.

Professor John Mathers (University of Newcastle, UK) opened the session on «Nutrition for Life», explaining how a range of factors, including nutrition, are likely to impact ageing through three common mechanisms: inflammation, metabolic stress and oxidative stress / redox changes.

«Age - related changes in cognitive functions, behaviour, skin, digestive tract, cardiovascular system, respiratory tract, degenerative joint and skeletal function, as well as urinary disorders are the most common issues concerning older dogs», explains Dr Brenten.

One significant change in senior horses, or those horses over 15 years of age, is their immune system, explains Dr. Kevin Hankins, DVM, MBA, senior technical services veterinarian for Zoetis.

Caring For Your Aging Dog introduces the basics of caring for a senior pet; examines issues of genetics, environment, and nutrition; presents a «prevention primer» for forestalling disease and old - age conditions; and explains how to recognize vital signs of change, from cloudy eyes to achy joints.

Mike's work, like that of previous award winners, is diverse, and includes pioneering and highly cited work in time series analysis (an elegant use of Thomson's multitaper spectral analysis approach to detect spatiotemporal oscillations in the climate record and methods for smoothing temporal data), decadal climate variability (the term «Atlantic Multidecadal Oscillation» or «AMO» was coined by Mike in an interview with Science's Richard Kerr about a paper he had published with Tom Delworth of GFDL showing evidence in both climate model simulations and observational data for a 50 - 70 year oscillation in the climate system; significantly Mike also published work with Kerry Emanuel in 2006 showing that the AMO concept has been overstated as regards its role in 20th century tropical Atlantic SST changes, a finding recently reaffirmed by a study published in Nature), in showing how changes in radiative forcing from volcanoes can affect ENSO, in examining the role of solar variations in explaining the pattern of the Medieval Climate Anomaly and Little Ice Age, the relationship between the climate changes of past centuries and phenomena such as Atlantic tropical cyclones and global sea level, and even a bit of work in atmospheric chemistry (an analysis of beryllium - 7 measurements).

In the short video above, Dr. Alley explains how some patterns in the changes that occur during Earth's ice ages and warm intervals (like the last 11,000 years) prove that greenhouse gases exert a warming effect.

Not only does CO2 lag the temperature changes in the ice age, but the CO2 feedback is only capable of explaining 20 % to 40 % of the total temperature change and, in many timelines, the temperature trends and the CO2 trends are going in the opposite direction.

That paper does mention Milankovitch, but AFAIK, Milankovitch cycles can't even explain the change in ice age cycles from ~ 41Kyr to ~ 100kyr.

We know that over the millenia, global temperatures have changed considerably, from ice ages, to interglacials, and no - one can explain why.

The researchers say their data lines up better with the historic climate record than other theories proposed to explain the Little Ice Age, including changes in sunlight and an increase in volcanic activity in the late 16th century.

«This information is of great importance, although the consequences of melting ice will be much less dramatic now than during the Ice Age, because there is less ice and temperature changes was much larger back then», Rasmussen explains.

«The first part will trace the history of scientific study of climate change, beginning with scientific inquiry into the formation and melting of the ice ages, periods of historical cooling and warming, smog, ozone, nuclear winter, volcanoes, and global warming,» the filing explained.

Dear Nir Shaviv, I would be glad to receive your comment about the recent paper from Andrew C. Overholt et al 2009 ApJ 705 L101 - L103 doi: 10.1088 / 0004 - 637X / 705 / 2 / L101 TESTING THE LINK BETWEEN TERRESTRIAL CLIMATE CHANGE AND GALA Does it mean - the spiral arm mechanism you suggest does nt fit - can some other mechanism explain your measurements and hypothesis - does this have an impact on the cosmic ray climate theory or not If we talk about the paradox of the faint young sun, imho its still an issue that any mechanism solving the problem of the major ice ages occuring each 140 million years in the last billion, does nt work for the first 3 billion years.

The Chen and Tung paper is an important link in our understanding, and changes in the Atlantic Ocean heat storage seem to explain the shape of the global surface variations since the end of the Little Ice Age (circa 1850).

Secondly, we have lots of palaeoclimatic evidence for abrupt changes in the AMOC, which are leading candidates to explain Dansgaard - Oeschger transitions during the last ice age, and the cold snap 8,200 years ago.

Peterson and Haug 2006 and Newton et al 2006, for example, attribute the coherence to latitudinal migrations of the ITCZ, hypothesizing that it (and other patterns) was further north in the Medieval period and further south in the Little Ice Age, explaining antiphase changes in precipitation whereby northerly tropical sites became drier in the Little Ice Age (Cariaco, Yucatan etc 15N or so) while more southerly tropical sites became wetter in the Little Ice Age (Lake Titicaca, Lake Malawi, Quelccaya etc. all at 10S or so).

This reinforces the point that the presenter in your video was just blowing smoke when he claimed that CO2 was necessary to explain the ice ages, or that it acted as a feedback to those ice age changes.

CO2 changes by about 10 - 15 ppm per degree C from outgassing, as we see since the last Ice Age, and it is largely the ocean chemistry that explains this magnitude.

What could explain the change from a warm to a glacial epoch, and the cycling of ice ages within a glacial epoch?

Perhaps you could address what I consider to be most crucually wrong with your claims: — Such a low sensitivity (0.5 deg) is incompatible with measurements — With such a low sensitivity you can not explain the large climate changes that have occurred in Earth» history, e.g. the ice ages.

Opening with a biographical sketch of Broecker — who, we learn, was born to an Evangelical suburban Chicago family, and initially drifted into his scientific vocation via a summer job in a radiocarbon dating lab — the book explains the currently - accepted Milankovitch theory of Ice Age glaciation; proceeds to an account of the Dr. David Keeling's measurements atmospheric CO2; continues with a summary of research work on glacial ice cores, sediments, and fossil pollen from around the world showing startlingly abrupt prehistoric climate changes; and moves on to the possible consequences of continued warming, closing with an account of the prospects of removing carbon dioxide from the atmosphere.

However, those forcings weren't operative during the transition from ice age to interglacial; in order to explain the amplification necessary (rate and magnitude) for the small slow changes in solar influence due to Milankovic cycles to result in the rapid (compared to the descent into an ice age) transition to an interglacial, CO2 sensitivity must be higher.

But Milankovitch wasn't just interested in tracking changes in sunlight with his model — he wanted to explain why ice ages occurred, why at various times in the history of the Earth glaciers were formed and later melted away.