Bryan Johnson is a billionaire tech entrepreneur who often remains in the headlines due to his age reduction. Tech millionaire Brian Johnson spends more than $2 million, or about Rs 17 crore, every year on his health and anti-aging lifestyle. He takes more than 40 supplements and vegetarian diet every day. Brian is 48 years old but his heart is 37 years old and his lungs are like those of an 18 year old boy. He has recently claimed that he has reduced the amount of microplastic present in his semen by 85 percent. He has not resorted to any surgery or medicine for doing this, rather he has done this through a health routine.
Told on
Everyone knows that the concern about microplastics is increasing all over the world and these fine plastic particles are not only present in water and air, but are now also found inside the human body. The concentration of microplastics in Johnson’s semen has decreased from 165 particles per milliliter in November 2024 to 20 particles per milliliter in July 2025.
With what technique did you do this?
brian johnson Said that the reason for this reduction of microplastics in semen is his daily dry sauna therapy. In this technique, they take a sauna for 20 minutes at a temperature of about 200 °F (about 93 °C) and during this, they apply an ice-pack near their private parts so that the sperm health can be maintained.
Along with this, they have also reduced their plastic exposure (emissions) such as they do not use plastic containers in the microwave, have installed reverse osmosis water filters, use less plastic utensils, do not drink water in plastic bottles etc.
Microplastics also reduced in blood
Microplastics can interfere with hormone function and cause oxidative stress, which can reduce sperm count and reduce fertility.
Brian said there was a reduction in microplastics in his semen as well as his blood, which may be the first case in which microplastics in a person’s blood and semen both decreased at the same rate over time.
what do scientists say
Scientists caution against such claims, saying that even though we are coming in contact with microplastics more and more, the data on their effects on human health is still very limited. For example, it is not yet known with complete accuracy whether microplastics have been found in human reproductive organs, blood etc.
We know that they are present in the food we eat, the water we drink and the air we breathe. Microplastics smaller than a grain of rice have been detected in the brain, heart, lungs, liver and placenta, as well as in body fluids such as blood, saliva, urine, breast milk and semen.
This experiment of Brian Johnson has been done at the individual (n = 1) level, hence it cannot be considered as scientifically conducted clinical research. His experience can be seen as an inspiring case study but it is not yet considered safe to apply it to ordinary people.
Sweating in a sauna causes some toxins to be released, but research has shown that the high temperatures in the sauna can actually have a negative impact on sperm quality and production. It is also not clear whether any research has been done on the use of sauna along with applying ice on the genitals.
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