Tolerance can in fact cause an overdose, because the greater tolerance you can get the more of a certain substance your body will need eventually leading your body to take more than it can handle leading to overdose and death.
For this answer I would go with D. Retinalogic. It is not a vitamin.
Keep exercising regularly and doing good things to your body then you wont have to worry about dammaging your body
Answer:
Chlamydia, They are the most common of STIs that can affect both men and women.