Navigation Links
Is there a Neanderthal in the house?
Date:2/15/2013

Bunions bothering you? How about lower back pain, or impacted wisdom teeth?

As we humans evolved over the millennia to walk on two legs, grow larger brains and shorter jaws, bear big babies and live longer, we've also experienced some negative consequences on our way to becoming the world's most successful primate, at nearly 7 billion strong.

But keeping our evolutionary history in mind can help us better deal with issues from obesity to difficult childbirth in a much more productive way, according to Karen Rosenberg, professor and chair of the Department of Anthropology at the University of Delaware.

Rosenberg co-organized and spoke on the "Scars of Human Evolution" panel at one of the largest scientific gatherings in the world--the annual meeting of the American Association for the Advancement of Science (AAAS) on Friday, Feb. 15, in Boston.

The panel's title originated from a 1951 Scientific American article by Wilton Krogman that highlighted how our evolutionary history can account for many of the problems associated with the current human condition. Rosenberg and her co-panelists examined areas ranging from obstetrics and orthopedics, to dentistry, gerontology, diet and nutrition.

"We need to understand our evolutionary history in order to understand why we have some of the maladies that we have," Rosenberg says. "They either helped us in a previous environment, or they are trade-offs from adaptations that did confer important advantages like our obstetrical and orthopedic problems that are side effects of walking on two legs rather than four."

Today, the industrialized world faces rising obesity rates. Yet eons ago, food was scarce, and foraging was a constant activity to survive. The more fats and sugars that could be gained from food back then, the more energy to fuel those ever-expanding hominid brains.

The cavewoman of 100,000 years ago didn't have 10-pound babies, take drugs, smoke, or have hypertension, diabetes and other problems associated with a modern lifestyle, Rosenberg notes.

But, Rosenberg asserts, our prehistoric ancestors likely gave birth with others present for protection and encouragement, a practice still important in today's world where ever-larger babies squeeze through a "twisty-turny" birth canal, and infant mortality is still a serious problem in many nations.

"Studies show that women who give birth with a doula present to provide emotional support have significantly lower rates of obstetric intervention and shorter labors," Rosenberg notes. "This maternal care during birth and the help we give in caring for children of family and friends comprise some of the most important aspects of our humanness."

Although some may interpret the word "evolve" to mean we are moving toward perfection, Rosenberg reminds us that there is no direction to evolution.

"What's best today, probably won't be in the future," she says. "There's no inevitable directionality to it. Evolution is a tinkerer, not a designer. I would never be willing to predict where we will go next. Knowing what is advantageous in today's world doesn't tell us what will be advantageous in the future."


'/>"/>

Contact: Andrea Boyle Tippett
aboyle@udel.edu
302-831-1421
University of Delaware
Source:Eurekalert  

Related biology news :

1. Professor known for work with hunter-gatherers elected to American Academy of Arts and Sciences
2. UGA study finds theres not always safety in numbers when it comes to extinction risk
3. Theres more star-stuff out there but its not dark matter
4. Feathered saurians -- downy dinosaur discovered
5. Overweight? Theres a vaccine for that
6. Why are there so many species of beetles and so few crocodiles?
7. Bumblebees do best where there is less pavement and more floral diversity
8. International study: Where theres smoke or smog, theres climate change
9. Cooperators can coexist with cheaters, as long as there is room to grow
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Is there a Neanderthal in the house?
(Date:4/26/2016)... 2016 Research and Markets has ... Market 2016-2020"  report to their offering.  , ,     ... The analysts forecast the global multimodal biometrics market ... the period 2016-2020.  Multimodal biometrics is ... as the healthcare, BFSI, transportation, automotive, and government ...
(Date:4/15/2016)... 2016  A new partnership announced today will ... decisions in a fraction of the time it ... high-value life insurance policies to consumers without requiring ... Force Diagnostics, rapid testing (A1C, Cotinine and HIV) ... pressure, weight, pulse, BMI, and activity data) available ...
(Date:4/14/2016)... AVIV, Israel , April 14, 2016 ... Behavioral Authentication and Malware Detection, today announced the appointment ... already assumed the new role. Goldwerger,s leadership ... BioCatch, on the heels of the deployment of its ... addition, BioCatch,s behavioral biometric technology, which discerns unique cognitive ...
Breaking Biology News(10 mins):
(Date:6/23/2016)... Prostate Cancer Foundation (PCF) is pleased to announce 24 new Young Investigator ... Members of the Class of 2016 were selected from a pool of 128 ... About the Class of 2016 PCF Young Investigators ... ... ...
(Date:6/23/2016)... ... June 23, 2016 , ... Supplyframe, the ... the Supplyframe Design Lab . Located in Pasadena, Calif., the Design Lab’s ... how hardware projects are designed, built and brought to market. , The Design ...
(Date:6/23/2016)... LOUISVILLE, Ky. , June 23, 2016 /PRNewswire/ ... from two Phase 1 clinical trials of its ... double-blind, placebo-controlled, single and multiple ascending dose studies ... and pharmacodynamics (PD) of subcutaneous injection in healthy ... APL-2 subcutaneously (SC) either as a single dose ...
(Date:6/23/2016)... On Wednesday, June 22, 2016, the NASDAQ Composite ... Jones Industrial Average edged 0.27% lower to finish at 17,780.83; ... has initiated coverage on the following equities: Infinity Pharmaceuticals Inc. ... NKTR ), Aralez Pharmaceuticals Inc. (NASDAQ: ARLZ ), ... more about these stocks by accessing their free trade alerts ...
Breaking Biology Technology: