There are four main blood groups: A, B, AB, and O. (types of blood).

our blood group is determined by the DNA your parents gave you.

There are eight different blood types in all, each of which can be either RhD-positive or RhD-negative.

You can give to several different blood groups if you have blood type O.

You can only get blood from people with the same blood group if you have blood group O, which is a drawback.

This blood type is incredibly uncommon.

You can observe that out of the 50 people, only one has this blood type.

People with blood group O are more prone to be affected by specific infections.

The best quality of having this blood type is that you tend to be a leader.

Health problems include ulcers, thyroid illness, low thyroid hormone levels, and iodine insufficiency are more prevalent in those with blood group O.

Blood type O people are perceived as self-motivated. When they begin a project, they work nonstop until it is completed.

A lot of the acids they produce might be damaging to the body.