home
RSS
5 studies you may have missed
May 30th, 2014
07:30 AM ET

5 studies you may have missed

Here's a roundup of five medical studies published this week that can give you new insights into your health, mind and body. Remember, correlation is not causation – so if a study finds a connection between two things, it doesn't mean that one causes the other.

The entire world is getting fat
Journal: The Lancet

In what is the most comprehensive look at global obesity in decades, scientists said they can’t find a single positive note in the fight against the epidemic.

In every single country they studied - there were 188 of them - the obesity rates stayed the same or got worse.

Nearly 30%, or almost one out of every third person on this planet, is overweight or obese, according to the study. In 1980 there were 857 million people considered overweight or obese. In 2013, that number was 2.1 billion.

Obesity is more of a common problem in the developed world, but it has become a growing problem in poorer countries.

The country with the most obese people is the United States. About a third of American adults are overweight, which accounts for 13% of all the heavy people worldwide. The United States is only a little over 4% of the world's population, so that's a startling statistic.

Women saw the bigger gains. Between 1980 and 2013, the rate of women who are obese increased from 29.8% to 38%. For men it increased from 28.8% of the population to 36.9% of the population.

Read more from PLOS Blogs


Men who watch a lot porn may have smaller brains

Journal: JAMA Psychiatry

Men who watch a lot of porn are a little lighter when it comes to their gray matter, according to a  study out of the Max Planck Institute for Human Development in Berlin.

Scientists made brain scans of a small group of 64 healthy men from 21 to 45 as they looked at pornographic images. Researchers also assessed how often the men typically looked at porn.

The study may be the first to establish a link between the amount of pornography consumption and brain size. The study does not determine whether men who watch a lot of porn have smaller brains to begin with or whether the volume of their brains has shrunk over time.

The study did show that the region of the brain that activates when someone experiences sexual stimuli is less active in those men who typically watch a lot of porn.

Read more from TIME.com

Want to look younger? Avoid the sun, smoking and high-calorie diets
Journal: Cell Press

Forget special creams and surgeries to look younger - what you really need is to avoid cigarettes and sunshine, according to scientists at the University of North Carolina.

If you avoid “gerontogens" - that’s the fancy word for stuff in the environment that may make you age - you may look younger and may even live longer.

Other “gerontogens” include the chemicals used in chemotherapy. A low-calorie diet may also slow aging, as may a low-stress environment, according to the study.

We still don’t know why some people age faster than others. But the researchers hope their study will someday lead to a blood test that would allow doctors to look at someone’s DNA for biomarkers of aging. Those biochemical signatures would help determine how fast a person is aging and why, and perhaps slow or stop the process. That’s a long way off though. This study is still in the mouse model phase.

Read more: Cell Press release

Teen sunbathers beware: 5 bad sunburns increase risk for deadly cancer
Journal: Cancer Epidemiology, Biomarkers & Prevention

People who say they had more than five or more blistering sunburns before they turned 20 have an 80% increased risk of melanoma, the most deadly form of skin cancer.

A study examined the health of 108,916 registered nurses for 20 years. Of those nurses, the ones who had five or more bad sunburns, the kind with blisters, when they were ages 15 to 20, had a 68% increased risk for basal cell carcinoma and squamous cell carcinoma and an 80% increased risk for melanoma.

People who had a similar number of bad sunburns when they were older faced no similar increased risk for melanoma, but they did have a greater chance of developing basal cell or squamous cell carcinoma.

Scientists caution people who have a propensity to develop moles or who sunburn easily should take particular care in the sun, especially early in life.

Read more: American Association of Cancer Research

Laser treatment helps tooth regeneration in mice
​Journal: Science Translational Medicine

Lasers sound a lot more fun than root canals. Scientists demonstrated in a new study that it's possible to regenerate dentin, the hard bone-like tissue in teeth, using light.

The technique makes use of stem cells already found in teeth. Researchers did not have to transplant these cells that have tremendous potential in regenerative medicine.

By shining infrared light on damaged teeth in mice, scientists activated molecules called reactive oxygen species. These molecules bind to stem cells, making the stem cells turn into dentin-forming cells that help regenerate the tooth structure, said David Mooney, senior author of the study and researcher at Harvard University.

Scientists demonstrated this in rodents, but not humans, however. Also it's a somewhat lengthy process, which would take weeks to months to work.

If it were successful in humans, though, the technique "potentially could replace the root canal," Mooney said.

Read more from Harvard


soundoff (89 Responses)
  1. Tritreviewifind

    side effects of tadalafil tadalafil goodrx tadalafil online with out prescription cialis cost https://tadagatadalafil.com/

    May 26, 2021 at 12:41 | Report abuse | Reply
  2. tausAffessy

    cialis tadalafil buy generic cialis online with mastercard best price usa tadalafil tadalafil https://tadalafilww.com/

    May 26, 2021 at 20:22 | Report abuse | Reply
  3. Soosteemocush

    https://apcalisetadalafil.com/ buy tadalis tadalafil drug tadalafil daily online where to buy cialis without prescription

    May 27, 2021 at 02:53 | Report abuse | Reply
  4. Soosteemocush

    tadalafil dosage https://tadagatadalafil.com/ best price usa tadalafil where to order tadalafil tablets tadalafil price walmart

    May 27, 2021 at 03:08 | Report abuse | Reply
  5. tausAffessy

    generic cialis tadalafil what is tadalafil cialis without a prescription tadalafil dosage https://tadacipetadalafil.com/ – generic cialis online fast shipping

    May 27, 2021 at 12:20 | Report abuse | Reply
  6. Kiersten Velazquez

    Great line up. We will be linking to this great article on our site. Keep up the good writing.

    https://www.vingle.net/posts/3738670

    May 28, 2021 at 02:34 | Report abuse | Reply
  7. Breann Okolo

    Have you ever heard of second life (sl for short). It is basically a video game where you can do anything you want. Second life is literally my second life (pun intended lol). If you would like to see more you can see these second life websites and blogs

    http://myvedana.blogspot.com/2010/01/social-media.html?m=0

    May 28, 2021 at 04:50 | Report abuse | Reply
  8. Bill Farro

    Have you ever heard of second life (sl for short). It is basically a video game where you can do anything you want. sl is literally my second life (pun intended lol). If you want to see more you can see these second life authors and blogs

    http://everydayliteracies.blogspot.com/2014/08/call-for-book-proposals-for-our-series.html?showComment=1562723596054

    May 29, 2021 at 05:21 | Report abuse | Reply
  9. Laurice Milbauer

    Have you ever heard of second life (sl for short). It is essentially a video game where you can do anything you want. Second life is literally my second life (pun intended lol). If you want to see more you can see these sl articles and blogs

    http://everydayliteracies.blogspot.com/2014/09/latest-book-in-our-series-learning.html?showComment=1482722289171

    May 30, 2021 at 06:11 | Report abuse | Reply
  10. Jessie Gillan

    Have you ever heard of second life (sl for short). It is basically a game where you can do anything you want. SL is literally my second life (pun intended lol). If you would like to see more you can see these sl authors and blogs

    http://lostbiro.com/blog/?paged=5

    May 31, 2021 at 04:53 | Report abuse | Reply
  11. Florine Wemple

    This was awesome! I would like you to clean up all this spam though

    https://www.linkedin.com/in/yusufhanafy

    June 1, 2021 at 00:00 | Report abuse | Reply
  12. Nicolas Daniel

    Good info. Lucky me I reach on your website by accident, I bookmarked it.

    https://torgi.gov.ru/forum/user/profile/1398783.page

    June 1, 2021 at 02:47 | Report abuse | Reply
  13. Jon Sous

    Have you ever heard of second life (sl for short). It is basically a online game where you can do anything you want. SL is literally my second life (pun intended lol). If you would like to see more you can see these second life authors and blogs

    http://everydayliteracies.blogspot.com/2003/06/?m=0

    June 2, 2021 at 23:28 | Report abuse | Reply
  14. chloroquine autophagy

    hydroxychloroquine malaria chloroquine phosphate tablets hydroxychloroquine malaria

    June 4, 2021 at 22:02 | Report abuse | Reply
  15. tadalafil dosage bodybuilding

    buy tadalafil powder side effects of tadalafil tadalafil daily online

    June 5, 2021 at 00:59 | Report abuse | Reply
  16. hydroxychloroquine chloroquine

    who chloroquine hydroxychloroquine bnf drug chloroquine

    June 5, 2021 at 03:29 | Report abuse | Reply
  17. buy cialis pills

    best research tadalafil buy cialis usa buy tadalafil

    June 5, 2021 at 05:08 | Report abuse | Reply
  18. Milton Fong

    This was awesome! I would like you to clean up all this spam though

    https://www.linkedin.com/in/yusufhanafy

    June 5, 2021 at 09:03 | Report abuse | Reply
  19. tendances du coronavirus - france

    what is hydroxychlor 200 mg chloroquine phosphate tablets hydroclorizine

    June 6, 2021 at 13:05 | Report abuse | Reply
  20. Maeve Mejia

    After all, what a great site and informative posts, I will upload inbound link – bookmark this web site? Regards, Reader.

    https://www.goodreads.com/user/show/135963477-dobrinasveti

    June 7, 2021 at 07:33 | Report abuse | Reply
  21. Rolando Escobar

    Greetings! Very helpful advice on this article! It is the little changes that make the biggest changes. Thanks a lot for sharing!

    https://www.ted.com/profiles/28324496

    June 7, 2021 at 08:21 | Report abuse | Reply
  22. Brogan Horn

    I love your blog.. very nice colors & theme. Did you create this website yourself? Plz reply back as I'm looking to create my own blog and would like to know wheere u got this from. thanks

    https://www.pearltrees.com/bv4ch/item370131793

    June 7, 2021 at 09:09 | Report abuse | Reply
  23. tadalafil daily online

    tadalafil evolution peptides tadalafil blood pressure tadalafil liquid for sale

    June 7, 2021 at 09:38 | Report abuse | Reply
  24. generic hydroxychloroquine

    anti-malaria drug chloroquine hydroxychloroquine tablets chlorodine

    June 7, 2021 at 10:17 | Report abuse | Reply
  25. where to order tadalafil tablets

    erectafil-5 tadalafil cost walmart centurion laboratories tadalafil

    June 7, 2021 at 12:05 | Report abuse | Reply
  26. Stanton Alonso

    This was great! I would like you to clean up all this spam though

    https://www.linkedin.com/in/yusufhanafy

    June 7, 2021 at 22:09 | Report abuse | Reply
  27. Booker Dornak

    Have you ever heard of second life (sl for short). It is basically a game where you can do anything you want. sl is literally my second life (pun intended lol). If you would like to see more you can see these Second Life websites and blogs

    http://thisteachinglife.blogspot.com/2005/01/joining-forces.html

    June 12, 2021 at 16:02 | Report abuse | Reply
  28. Willetta Dilucca

    Have you ever heard of second life (sl for short). It is basically a game where you can do anything you want. sl is literally my second life (pun intended lol). If you would like to see more you can see these second life articles and blogs

    http://rumblingstrips.blogspot.com/2007/10/

    June 12, 2021 at 20:41 | Report abuse | Reply
  29. Mauricio Bator

    I don't know about you all but I infatuated with airplanes. I have a friend in highschool that loves airplanes, so here are some airplane related stuff I don't know about you guys but I love airplanes. I had a friend in highschool that loved airplanes, so here are some airplane related stuff https://www.airlinereporter.com/2010/10/get-your-aviation-geek-fest-2010-tickets-now/

    http://privatejetstoday.blogspot.com/2010/08/private-jet-flight-attendant-jobs.html

    June 13, 2021 at 02:34 | Report abuse | Reply
  30. Mel Boehler

    I don't know about you guys but I am obsessed with airplanes. I have a friend in highschool that loved airplanes, so here are some airplane related stuff I don't know about you guys but I love airplanes. I had a friend in highschool that loved airplanes, so here are some airplane related stuff https://www.airlinereporter.com/2011/02/retro-blog-happy-presidents-day/

    http://www.doc-txt.com/Boeing-Everett-Museum.pdf

    June 13, 2021 at 08:34 | Report abuse | Reply
  31. Sibyl Manalo

    I don't know about you people but I am obsessed with airplanes. I had a friend in highschool that loved airplanes, so here are some airplane related stuff I don't know about you guys but I love airplanes. I had a friend in highschool that loved airplanes, so here are some airplane related stuff https://www.airlinereporter.com/2009/04/a-boeing-777s-afterlifea-beer-can/

    http://myvedana.blogspot.com/2007/07/critical-practice.html

    June 13, 2021 at 17:13 | Report abuse | Reply
  32. Dionne Aspegren

    I don't know about you guys but I love airplanes. I had a friend in highschool that loves airplanes, so here are some airplane related stuff I don't know about you guys but I love airplanes. I had a friend in highschool that loved airplanes, so here are some airplane related stuff https://www.airlinereporter.com/2009/05/memorial-day-a-day-to-remember-and-give-thanks/

    http://thisteachinglife.blogspot.com/2005/08/i-have-no-idea-what-to-do-about-this.html

    June 13, 2021 at 21:31 | Report abuse | Reply
  33. Jewell Razinger

    Have you ever heard of second life (sl for short). It is basically a online game where you can do anything you want. Second life is literally my second life (pun intended lol). If you would like to see more you can see these second life authors and blogs

    http://everydayliteracies.blogspot.com/2011/10/men-at-work-plagiarism-sick-outcome.html?showComment=1323328626000

    June 15, 2021 at 07:46 | Report abuse | Reply
  34. Karrie Ramnauth

    Have you ever heard of second life (sl for short). It is essentially a game where you can do anything you want. Second life is literally my second life (pun intended lol). If you would like to see more you can see these second life websites and blogs

    http://myvedana.blogspot.com/2013/06/?m=0

    June 21, 2021 at 21:11 | Report abuse | Reply
  35. Allan Mccall

    Great post. I am facing a couple of these problems.

    https://penzu.com/p/d3940952

    June 23, 2021 at 09:01 | Report abuse | Reply
  36. www.pharmaceptica.com

    erectile function index 5 https://pharmaceptica.com/

    June 26, 2021 at 15:54 | Report abuse | Reply
  37. pharmaceptica

    erectile means https://pharmaceptica.com/

    June 27, 2021 at 02:42 | Report abuse | Reply
1 2

Post a comment


 

CNN welcomes a lively and courteous discussion as long as you follow the Rules of Conduct set forth in our Terms of Service. Comments are not pre-screened before they post. You agree that anything you post may be used, along with your name and profile picture, in accordance with our Privacy Policy and the license you have granted pursuant to our Terms of Service.

Advertisement
About this blog

Get a behind-the-scenes look at the latest stories from CNN Chief Medical Correspondent, Dr. Sanjay Gupta, Senior Medical Correspondent Elizabeth Cohen and the CNN Medical Unit producers. They'll share news and views on health and medical trends - info that will help you take better care of yourself and the people you love.