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5 studies you may have missed
Despite their high fat and calorie content, nuts are better for you than diet sweets, experts say.
June 5th, 2014
09:07 PM 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.

Hope for people with Parkinson’s
Journal: Cell Reports

Scientists at Harvard University say they see promising signs from their study on an experimental treatment for Parkinson's disease. The researchers transplanted tissue from fetal dopamine cells into the brains of patients with Parkinson’s in Canada.

Patients with severe symptoms experienced 50% fewer symptoms in the years after surgery. People who had been taking medication to control their Parkinson’s but found that the medicine no longer worked also saw significant improvements after surgery.

Looking at the brains of five patients after they died from non-Parkinson’s related illnesses, the scientists found that the transplanted cells stayed healthy. Earlier research led scientists to hypothesize that the cells would become corrupted, but the cells remained functional for at least 14 years after the patients got them. This is the first proof that this kind of transplant method could work.
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Marijuana may affect fertility in young men
June 5th, 2014
11:19 AM ET

Marijuana may affect fertility in young men

"If you’re a cannabis user and you’re trying for a baby ... stop."

This advice comes from Dr. Allan Pacey, senior lecturer in andrology at the University of Sheffield in the United Kingdom and lead author of a new study that suggests using marijuana could increase a man's risk of fertility problems.

The study, published in the journal Human Reproduction, looked at how a man's lifestyle affects his sperm morphology: the size and shape of sperm. Researchers collected data from 1,970 men who provided semen as part of a fertility assessment.
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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.

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