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ancestors in Medical News

Human Ancestors Put Best Foot Forward 1.5M Years Ago

Fossils thought to be oldest evidence to date of an essentially modern foot THURSDAY, Feb. 26 (HealthDay News) -- Anthropologists have uncovered a trail of ancient footprints in northern Kenya believed to represent the oldest evidence to date of an essentially modern, human-like foot. ...

Ancient Ancestors Might Have Had a Clue to HIV

Scientist believe that humans distant ancestors won the battle against the now extinct virus 4 million years ago but it left the human species vulnerable to HIV today. AIDs one of the most dangerous diseases of the present century and one of the most researched one still leaves many questions una...

Our Ancestors Possessed Much Smaller Brains Than It was Thought

An ancient ancestor of ours was mentally less advanced than expected about 29 millions years ago, a new study by a Duke University primatologist has revealed. Elwyn Simons identified the second and the most intact cranium found till date of the Aegyptopithecus zeuxis and subjected it to mi...

Our Medieval Ancestors Were More or Less Similar to Us Than Previously Thought

Englishmen during the time of Chaucer were not dwarfs but only short by two inches compared to todays average height, and same was the case with women more or less, a new study by researchers from the Bristol Royal Infirmary has revealed. As part of their study, scientists researched 3000 ...

Strong Evidence Suggests Incidence Of Mating Of Ancestors With Neanderthals

A recent scientific study conducted at the Howard Hughes Medical Institute and the University of Chicago led by Bruce T. //Lahn suggests that human evolution may not be all about unprompted mutations that occurred on the spur of a moment but because of interbreeding with related species on the verg...

Holiday giving linked to altruistic nature of our ancestors

Researchers found that altruistic nature where high in our ancestors, they gave more gifts to the families who had less food and also had the habit of exchanging gifts and foods between// them which were the basis for origin of holiday giving. Michael Gurven, University of California said, "Recipro...

Five Hypertension Genes Found in Black Americans

... have high blood pressure. One part of the research effort was a similar genetic analysis done on 980 people from West Africa, the home area of the ancestors of most black Americans. That study confirmed that some of the genetic variants seen in black Americans are also found in West African people, the rep...

Ancient fossils shed light on anatomical changes accompanying evolution of first land vertebrates

...ome changes are consistent with an evolutionary quirk known as paedomorphosis, in which species retain in adulthood the youthful dimensions that their ancestors had as juveniles. "Paedomorphosis is definitely there the descendents of some groups are retaining the proportions that their juveniles had in the pa...

Music Had Charms to Soothe Prehistoric Man

... Flute find suggests early ancestors more culturally sophisticated than thought WEDNESDAY, June 24 (...tions." In the big picture, the flute find gives greater insights in the ancestors of humans, Laitman said. "You're looking at a fully modern cousin of our...

21st Century Obesity Pandemic Still Suffering From Effects of Tuberculosis Plague of the 1800s

...d-in-hand with the large calorie stores intrinsic to modern obesity is a vestige of another era, Dr. Roth said. "What was very beneficial for our ancestors is detrimental to us today. This harmful response is magnified by the ready availability of food. This abundance of food leads to an even greater pro-...

Endangered Great Ape Finds Safe Haven

...nally protected and respected bonobos through taboos, legends and rituals celebrating bonobos as our closest relative and friend. The bonobo saved our ancestors from numerous dangers in the forest. We build on these traditions... We hope that many people will come and visit Kokolopori to enjoy and work with us...

23andMe Launches Free Online Community for Moms and Moms-to-Be

... are specifically relevant to pregnant women. Ancestry Information -- Members can explore their ancestry and discover where in the world their ancestors likely originated. Genetic Legacy -- If relatives are genotyped as well, members can build a genetic family tree and see how their genes and t...

Anthropologist's studies of childbirth bring new focus on women in evolution

... for millennia, possibly dating as far back as 5 million years ago when our ancestors first began walking upright, according to University of Delaware paleoanthr...nging and somewhat dangerous manner in which humans give birth. When our ancestors evolved to begin walking on two legs, Rosenberg says, this upright posture ...

Tributes.com Launches 'Light a Candle' Program In Support of the American Heart Association and Heart Health Month

...lasting multimedia tribute to a deceased loved one, and tell their story without limitations Enrich genealogy by creating online portraits of ancestors to be appreciated across generations and extended families Add messages and photos to online memory books and read comments left by others ...

Genome-wide Association Studies Must Account for Ancestry

... Ask someone where their ancestors were from and odds are that they know. Or maybe no...cus) December 16, 2008 -- Ask someone where their ancestors were from and odds are that they know. Or maybe no...ple in the US who were asked where in Europe their ancestors came from did not have a clue. Dr. Gregersen colla...

'Iceman' Mummy Has No Modern Kin

...emained in one place for thousands of years. "We seem to be a traveling tribe. That's what's coming out from this," said Laitman. "Even our closest ancestors are moving around a bit." The mummy of the Iceman -- also known as "Oetzi" -- has fascinated scientists since it was discovered in the Alps in 1991...

Hunger hormone increases during stress, may have antidepressant effect

...n evolutionary standpoint. Until modern times, the one common human experience was securing enough food to prevent starvation. Our hunter-gatherer ancestors needed to be as calm and collected as possible when it was time to venture out in search of food, or risk becoming dinner themselves, Dr. Zigman said,...

Vaseline(R) Cocoa Butter Campaign Uncovers Skin's Ability to Speak Volumes

...similarities and differences between people's skin as it relates to their lives, "My skin is magic, my skin is strength, and my skin is resistance. My ancestors suffered so much, but today here I am, like a queen." Such eloquence imparts a poignant yet powerful tone to Vaseline Skin Stories. The film is enri...

Researchers Publish Genome Sequence for Duck-Billed Platypus

... was published in the May 8 issue of the journal Nature . "This genome provides a unique perspective on what the genomes of our earliest mammalian ancestors may have looked like. It is fascinating that what we think of as being reptile-like (i.e., egg laying and venom) and mammal-like features can co-exist...

Institute for Integrative Nutrition Provides Tips to Transition Bodies for Fall, Winter, Spring, Summer Eating

...r connection to our surroundings, Rosenthal suggests following the natural harvest of fruits and vegetables. According to Integrative Nutrition, our ancestors ate seasonally because they had no choice. Fresh greens grew in spring, fruit ripened in the summer, root vegetables kept them going in the fall, and ...

Fossils Push Back Bipedalism to 6 Million Years Ago

...aid. Bipedalism was crucial to human development because it "freed up our hands," Richmond explained. These free forelimbs allowed humans and their ancestors to begin to explore the use of tools, for example. Expanded brain size may also have accompanied (and been encouraged by) bipedalism, anthropologists...

Monkey Gene That Blocks AIDS Viruses Evolved More Than Once

... Findings hint epidemic is not unique to present, afflicted humans' primate ancestors FRIDAY, Feb. 29 (HealthDay News) -- A gene in Asian monkeys tha...ique to the current time, and such outbreaks may have afflicted the primate ancestors of humans. The study is published in the Feb. 29 issue of PLoS Pathogen...

Global Analysis of Human DNA Tracks Migration, Identity

... implication of what Rosenberg's group found is that scientists now have a finer understanding of human evolutionary history. "We can infer how our ancestors migrated across continents and became successful at living in a very diverse range of environments," Rosenberg said. "In addition, the genes are [a] d...

DNA Findings Reveal Genetic History of Humans

... implication of what Rosenberg's group found is that scientists now have a finer understanding of human evolutionary history. "We can infer how our ancestors migrated across continents and became successful at living in a very diverse range of environments," Rosenberg said. "In addition, the genes are [a] d...

Viruses for a healthy pregnancy

...esult, an endogenous retrovirus (ERV) can exist for millions of years. Over the course of evolution, retroviruses have invaded the germ-line of our ancestors on numerous occasions. Now, human ERVs (HERVs) make up around 8% of our genome, say Dr David Griffiths from the Moredun Research Institute and Ccile V...

Colon cancer risk in US traced to common ancester

... Salt Lake City A married couple who sailed from England to America around 1630 may be the ancestors of hundreds of people alive today who are at risk for a hereditary form of colon cancer. Researchers from Huntsman Cancer Institute (HCI) at The U...

Obesity genetics

...ay also have evolved in a restricted caloric environment, say the researchers. Many populations may exhibit similar SNPs that were advantageous to our ancestors but may now be detrimental. The presence of these SNPs may thus provide one explanation as to why obesity is so rife in the 21st century. ...

Message for Activists at Latino National Congreso Convention: Amnesty Will Exacerbate National Problems and Turn the U.S. into Another Mexico

...ildren! Do Hispanic activists want to turn the United States into another Mexico or part of the Mexican nation -- a country that many of them or their ancestors have left? Shouldn't Latin America, which has 37 billionaire citizens, including Mexican citizen Carlos Slim, now the world's wealthiest person, work ...

Is there really a 'mommy' gene in women?

...onditioning, as most analysts claim, or whether the choices that women are making about parenthood are influenced by genetic inheritance from maternal ancestors that were dominated by paternal ancestors. In a paper published in the current issue of Oikos an international journal of ecology Dr. Aarssen su...

Early Human-Like Skeletons Are First Outside of Africa

...thDay News) -- When it came to spreading across the globe, humanity's early ancestors may literally have put their best foot forward. So conclude paleontologi...e Sept. 20 issue of Nature . According to the fossil record, mankind's ancestors arose from the first true bipeds, called australopiths, of which 3-million-...

Women's Beauty, Men's Wealth Key to Romance: Study

...old criteria still hold sway THURSDAY, Sept. 6 (HealthDay News) -- If you only have five minutes to pick a mate, you're likely to do it the way your ancestors did, with men seeking beauty and women looking for security, wealth and commitment. It's an ancient formula but one still very much in play in mode...

Not all risk is created equal

...as of risk taking (risk domains) based on the types of challenges that our ancestors faced during many thousands of years of human evolution. "People are co...ent areas of risk taking, but also that many of the challenges faced by our ancestors are similar to challenges we face in our modern world today," Kruger said. ...

Europe's Last Dancing Bears Sheltered After Years of Abuse

...ut to the sound of music. The three furry performers earned the living of the four-generation Stankov family and its twenty members. Their ancestors had also raised performing bears. "The bears' nails were cut regularly and cutting one nail off a bear hurts like cutting a whole human finger without...

Pride, Even the Hubristic Kind, Allows Us to Survive

...short cut," a way to dodge others into paying one respect. The scientists suggest that if they couldn't get respect the conventional way, our ancestors discovered how to act accomplished. The study is published in the June issue of the journal Current Directions in Psychological Science. ...

Living With Stress

.... Homo sapiens , today, is an evolved species. Can you fathom how much stress our predecessors should have endured? Or, for that matter, the ancestors of every living thing on this earth? 'It is not the strongest of the species that survives, nor the most intelligent that survives. It is th...

Color Vision Drove Primates to Develop Red Skin and Hair, Study Finds

... By comparing the traits of individual species in this evolutionary context, Fernandez and Morris could statistically deduce the probability of their ancestors having the same traits, as well if any of the traits were correlated with one another. They found that the species that could discern red and ...

DNA Link to a Lost Colony

...e colonists may have migrated inland to what are now East Lake, Chocowinity and Gum Neck. Researchers plan to use cheek swabs taken from possible ancestors to test the paternal and maternal DNA lines. "In our case, with the Lost Colony, the only way we're going to trace who was who and if they survived is...

The Origin of the Brain Lies in a Worm

...called Platynereis dumerilii. "Platynereis can be considered a living fossil," says Arendt, "it still lives in the same environment as the last common ancestors used to and has preserved many ancestral features, including a prototype invertebrate CNS." Arendt and his group investigated how the developing C...

Fruit Crop Fungicide Induces Permanent Changes in Mating Behavior

...ive a cold shoulder to male rats// whose descent is contaminated by a common fruit crop fungicide; instead they showed a preference to male rats whose ancestors were untainted. Their research shows that environmental contamination could affect the evolution of wildlife through changes in mating behavior...

Falls and Hip Fractures Are Not Inevitable

...e it” applies. Modern man has shifted to sitting most of the day in cars and in front of computers and TV unlike our prehistoric hunting and gathering ancestors who had to walk and climb over rocks and roots during the day. Even when function is reduced or seemingly lost, with training it may be regaine...
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