These Lifestyle Factors Are Linked To Sperm Damage

By Kathryn Doyle (Reuters Health) – - Certain lifestyle factors are linked to higher rates of damage in the genetic material in men’s sperm, a study suggests.  The damage - which may stem from factors like obesity, stress and even cell phone use - could affect men's ability to conceive as well as the genes passed to their children, researchers say. Semen analysis usually looks at the numbers and the condition of whole sperm. But the authors of a small study in Poland believe the degree of breakage, or fragmentation, in DNA strands in the sperm might be a better indicator of fertility. DNA carries the cell's genetic information and hereditary characteristics. Men with fragmentation have lower odds of conceiving naturally and through procedures like in vitro fertilization, they write in the International Journal of Impotence Research. Researchers have noticed before that lifestyle factors can influence the level of sperm DNA fragmentation, said Ricardo P. Bertolla of Sao Paulo Federal University in Brazil, who was not part of the new study. “More importantly, we do expect that environmental and lifestyle factors may influence male fertility, but the degree of response is highly variable among individuals,” Bertolla told Reuters Health by email. Dr. Marian Radwan of Gameta Hospital in Rzgow, Poland, focused their study on 286 men under age 45 who were attending an infertility clinic. Radwan did not respond to a request for comment. Most of the m...
Source: Science - The Huffington Post - Category: Science Source Type: news

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Source: Materials Science and Engineering: C - Category: Materials Science Source Type: research
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Source: Medscape Medical News Headlines - Category: Consumer Health News Tags: Diabetes & Endocrinology News Source Type: news
Caroline Bailey developed a rare bacterial infection and had to have her reproductive organs removed at the tender age of 11. But the 46-year-old from Missouri went on to adopt three children.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
Publication date: Available online 20 August 2018Source: PolymerAuthor(s): Mojtaba Enayati, Alireza AbbaspourradAbstractCu(0)-mediated reversible-deactivation radical polymerization of n-butyl acrylate was performed in suspension without the use of an organic solvent. In all cases, a 5 v% organic phase (monomer, initiator and ligand) was used with respect to 95 v% aqueous phase. Polyvinyl alcohol (PVA) as a suspension stabilizer has been shown to be able to control the polymerization for degree of polymerizations of 222 and higher. The polymerization reaction showed linear first order kinetics for a PVA concentration range...
Source: Polymer - Category: Chemistry Source Type: research
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Source: RSC - Phys. Chem. Chem. Phys. latest articles - Category: Chemistry Authors: Source Type: research
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Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
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Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
Conditions:   Obesity;   Obesity, Morbid;   Obesity; Endocrine;   Bariatric Surgery Candidate Intervention:   Procedure: Gastric mucosal devitalization Sponsors:   Johns Hopkins University;   ERBE Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
Condition:   Drunk Driving Interventions:   Behavioral: Contingency Management;   Behavioral: Control Sponsors:   The University of Texas Health Science Center at San Antonio;   National Institute on Alcohol Abuse and Alcoholism (NIAAA) Recruiting
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Condition:   Exercise Interventions:   Device: resistive exercise;   Device: aerobic exercise in form of treadmill walking Sponsor:   Cairo University Completed
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
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