A young discipline appear at the effects of carbonated beverage on computer mouse has found that eat them Pepsi and Coca - Cola increase the size of it of their testicles and boosted their testosterone concentrations .

However , as theauthors mark , this goes against previous finding thathave get harmful effects of carbonated drink consumption on reproductive health . One resume cited observe sperm cell quality was subjugate by 30 percentage in men drinking one liter of cola every day , whileanother studysuggested a " negative effect of cola - containing beverages and caffein - containing mild drinks on seminal fluid mass , enumeration and concentration " .

Their own preliminary study found that Coca - Cola and Pepsi could decrease ovary mass in mice , but the effect of carbonate drinks on testicle size had not yet been investigated .

The computer mouse were give Pepsi , Coca - Cola , or weewee ( the control group ) for 15 days . Pepsi and Coca - Cola were serve well neat , or as a 50 percent mixture with water . As well as expected weight gain in the mouse consuming the sugary drinks , the team found surprising event in the black eye .

" The concentration of blood serum testosterone in all mice were enhanced after the Pepsi - Cola and Coca - Cola treatment , " the team wrote in the study , adding that " the outcomes indicate that gamy doses of Pepsi - Cola and Coca - Cola could improve testosterone secernment of male computer mouse " .

As well as this , the testicle sizing of the mice served 100 pct Pepsi or 100 percentage Coca - Cola increase importantly compared to both the dominance group and the mouse served 50 percent Pepsi .

" The resolution indicated that high venereal infection of Pepsi - Cola and Coca - Cola could heighten the testis longitudinal and transverse diameter , and that they promoted testis increase of mice , " the team wrote .

Though they stress that other studies have find an regalia ofnegative medical effectsof sugary soft drinks – fromobesityto cardiovascular disease – and state that further study is need , the squad suggest a prescribed finding .

" Our determination provided the scientific base and for in full understanding carbonated beverage effects and their mechanism on development and reproduction mathematical function of humans , but also benefit to forbid prostate disfunction and cancer . " " the team wrote .

The report is published inActa Endocrinol .