A study published in the journal Acta Endocrinol has revealed that drinking Coca-Cola and Pepsi can lead to bigger testicles and higher testosterone levels.
The research, done on mice, showed adult males who drank Coca-Cola or Pepsi had higher testosterone levels and bigger testicles than those who didn’t.
However, experts are not suggesting that men should rush out and drink lots of Coca-Cola or Pepsi.
In fact, previous studies have linked sugary sodas to a host of health problems including obesity, diabetes, heart disease, high blood pressure, and tooth decay.
The Northwest Minzu University in China was attempting to show that sugary sodas were bad for fertility and sex organs in men.
They cited previous research which showed that carbonated drinks had negative effects on female ovaries.
According to MailOnline, one group of 30 male mice was kept in a cage, and their water bottle was filled with 50 percent Pepsi mixed with tap water.
Another 30 mice were kept in a different cage and given pure Pepsi.
The same was done for two groups of mice but with Coca-Cola. A fifth group was used as a control and given pure water.
All mice could drink as much as they pleased for 15 days.
The mass of the mice’s testicles was measured on days zero, five, seven, 10, 13 and 15.
On the 15th day, the mass of the mice’s testicles was significantly higher in the groups that drank Coca-Cola and 100 percent Pepsi, compared to the 50 percent Pepsi and control groups. Said the study:
The outcomes demonstrated a high dose of Pepsi-Cola or Coca-Cola could promote testis growth and development.
Testosterone levels were also recorded, and on days 10 and 15, the group which drank pure Pepsi had significantly higher concentrations of testosterone than the control group.
The mice who were allocated the pure Coca-Cola also had higher levels of the male hormone than the control group.
The results suggest that large doses of Pepsi and Coca-Cola could improve testosterone production in male mice.
However, the mice used in the study are non-copulating, meaning they do not mate.
The long-term effects of carbonated drinks on testicle mass and testosterone production are also unclear.