Is the blood type theory and constellation theory said on the Internet true? Is there a scientific basis?

A person's real decision depends on the same result of genes and environment.

There is some truth in the constellation theory. For example, people born in winter are more depressed than those born in summer (statistical results). This is because of the sunshine, so it can be said that Libra is a natural optimist Capricorn and so on.

But a person's growth is still closely related to the environment, so the above statement can be changed in the future growth.

As for the blood type theory, it matters, but there are not many decisive factors.

These things don't have much real scientific basis.

I believe that everything is people-oriented and everything is in my own hands.