Last year, a study found thousands of epigenetic modifications to DNA in
the sperm of obese men, as well as differing amounts of short pieces of RNA, when compared with lean men's sperm.
It's the first time anyone has identified changes in these chemical tags — known as epigenetic changes — in
the sperm of obese men, he says.
Not exact matches
Published in open - access journal Frontiers in Physiology, the study reports that
obese men have increased levels
of inflammatory markers in their seminal fluid and lower
sperm quality, both
of which correlate with their body mass index (BMI).
The activity
of thousands
of sperm genes appears to differ between healthy and
obese men, suggesting that a
man's weight may be passed on to the next generation
For example, recent research suggests that
obese men's
sperm contains a «molecular signal» that can pass on obesity and metabolic problems to their children and even grandchildren!The other side
of this,
of course, is that if we take responsibility for our own health by making good choices, we can pass that legacy down to our children and grandchildren as well.