This website contains age-restricted materials including nudity and explicit depictions of sexual activity.
By entering, you affirm that you are at least 18 years of age or the age of majority in the jurisdiction you are accessing the website from and you consent to viewing sexually explicit content.
Did you read the article? The research states that based on their findings the astronauts would need dialysis on the way back. How would mars gravity help with that if the damage is already done to the kidney when you get there?
deleted by creator